CN103866861A

CN103866861A - Modularized assembled-type steel structure prestress central supporting system of node rigid connection

Info

Publication number: CN103866861A
Application number: CN201410105657.4A
Authority: CN
Inventors: 张爱林; 翟文博; 刘学春; 马林; 赵亮
Original assignee: Beijing University of Technology
Current assignee: Anhui Yingnuo Management Consulting Co ltd
Priority date: 2014-03-20
Filing date: 2014-03-20
Publication date: 2014-06-18
Anticipated expiration: 2034-03-20
Also published as: CN103866861B

Abstract

The invention relates to a modularized assembled-type steel structure prestress central supporting system of node rigid connection, which belongs to the technical field of structure engineering. The structure system is formed by assembling assembled-type floor slabs, an assembled-type prestress central support and assembled-type flange columns by adopting bolts; the assembled-type floor slabs can be spliced in a needed size, and every two adjacent assembled-type floor slabs are spliced through the bolts. By adopting the structure system, the factorized production is realized, rapidness in in-situ assembling is realized by completely adopting the high-strength bolts, the environmental pollution is avoided, when the structural components are disassembled, the structural components can be high efficiently recycled, the environmental-friendly concept can be actually realized, and the modularized assembled-type steel structure prestress central supporting system is a green structure system.

Description

The modular assembly formula steel work prestressing force center support system that a kind of node rigidly connects

Technical field

The present invention relates to the modular assembly formula steel work prestressing force center support system that a kind of node rigidly connects, belong to technical field of structural engineering.

Background technology

On January 1st, 2013, " the green building action scheme " that forward National Development and Reform Commission, the formulation of house town and country construction portion for (2013) No. 1 sent out by the General Office of the State Council with the Office of the State Council.In the vital task of its regulation, clearly propose: greatly develop green building material, promote industrialization of construction industry.Require the departments such as house town and country construction to want Speed-up Establishment to promote the standards system of the link such as design, construction, component production of industrialization of construction industry, the standardization of pushing structure part, component, parts, enriches the kind of standard component, raising versatility and substitutability.Popularization is applicable to the building systems such as the Prefabricated steel construction of suitability for industrialized production, accelerates development the prefabricated and mounting technology of construction project, improves industrialization of construction industry technology integrated horizontal.The industrialization construction of base that support integrates design, produces, constructs, carries out industrialized building demonstration pilot project.Prefabricated assembled steel house can better embody the essence of green building, and " green building action " provides major opportunity for the corresponding system innovation of China's light-duty steel construction house and industrialization.

The problem of the how high-rise assembling type steel structure system of the existing modularization of China is the node that floor and beam column connect, and only relying on a limited number of high-strength bolt is to realize being rigidly connected of node, is unfavorable for the stressed of structure.The splicing form that the present invention adopts can effectively realize being rigidly connected of node, overcomes the deficiency of existing system.

Summary of the invention

The present invention proposes the modular assembly formula steel structure system that a kind of node that belongs to technical field of structural engineering rigidly connects.

Technical scheme of the present invention is as follows:

The how high-rise assembling type steel structure system of described modularization is supported by assembling floor, assembling and assembling flange post adopts bolts assemblies to form; The bean column node of described steel structure system is to be welded in factory with being connected of framework, can realize and being rigidly connected; Described assembling floor is by A plate, B plate, C plate, D plate, E plate and 6 kinds of combined and spliced forming of assembling floor of F plate;

Described A plate is made up of short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, secondary beam III 5, long girder I 6, column base 7, junction plate I 15, junction plate II 16 and floor 17, all members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor A by welding, short girder II 2 is vertical with secondary beam I 3 puts, short girder II 2 is connected with secondary beam I 3 with junction plate I 15 by column base 7, short girder II 2 and secondary beam I 3 are connected in the square steel pipe I (12) of column base 7, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam I 3 with short girder II 2 respectively, two junction plate I 15 are connected on short girder II 2 and secondary beam I 3 top flanges and bottom flange, and all connecting portions are welding, short girder I 1 and short girder II 2 are placed on same straight line, are connected by column base 7, and short girder I 1 and short girder II 2 are connected in the square steel pipe I (12) of column base 7, and all connecting portions are all adopted as welding, secondary beam II 4 is parallel with secondary beam I 3, vertical with short girder II 2 with short girder I 1, be connected with short girder II 2 with short girder I 1 with junction plate I 15 by column base 7, be connected in the square steel pipe I (12) of column base 7, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam II 4 with short girder I 1, short girder II 2 respectively, two junction plate I 15 are connected on the top flange and bottom flange of short girder I 1, short girder II 2 and secondary beam II 4, and all connecting portions are all adopted as welding, secondary beam III 5 is parallel with secondary beam II 4, vertical with short girder II 2 with short girder I 1, be connected with short girder I 1 by junction plate I 15, three sides of the plate stretching out in short girder I 1 are connected with upper bottom flange and the web of secondary beam III 5, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam III 5 with short girder I 1 respectively, two junction plate I 15 are connected on top flange and bottom flange, and all connecting portions are all adopted as welding, long girder I 6 is parallel to short girder I 1 and short girder II 2, perpendicular to secondary beam I 3, by junction plate I 15 and junction plate II 16 and secondary beam I 3, secondary beam II 4 is connected with secondary beam III 5, described junction plate II 16 is positioned at the end of secondary beam I 3 and secondary beam II 4, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam II 4 with secondary beam I 3, a side is connected with the web of secondary beam I 3, another side connects with the web of long girder I 6, two sides of described junction plate I 15 connect long girder I 6, secondary beam I 3, the edge of a wing of secondary beam II 4 and secondary beam III 5, junction plate I 15 is connected to long girder I 6, secondary beam I 3, on the top flange and bottom flange of secondary beam II 4 and secondary beam III 5, all connecting portions are all adopted as welding, floor 17 adopts shear key to splice in the plane being surrounded by short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, secondary beam III 5, long girder I 6,

Described B plate is made up of secondary beam II 4, long girder I 6, long girder II 8, secondary beam IV 9, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17, all members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor B by welding, long girder I 6 and secondary beam IV 9, secondary beam V 10 is vertically put, by junction plate I 15 and junction plate II 16 by two long girder I 6 and secondary beam IV 9, secondary beam V 10 connects in beam end, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam IV 9, the upper and lower side of junction plate II 16 and secondary beam IV 9, the edge of a wing of secondary beam V 10 is connected, a side is connected with the web of secondary beam V 10 with secondary beam IV 9, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 respectively with long girder I 6 and secondary beam IV 9, long girder I 6 is connected with the edge of a wing of secondary beam V 10, two junction plate I 15 that arrange are connected to long girder I 6 and secondary beam IV 9, on long girder I 6 and secondary beam V 10 top flanges and bottom flange, all connecting portions are welding, described long girder II 8 is parallel with long girder I 6, placement vertical with secondary beam V 10, long girder II 8 is positioned at the middle of two long girder I 6, two ends of long girder II 8 are connected in secondary beam IV 9 by junction plate I 15 respectively, the middle part of secondary beam V 10, two sides of described junction plate I 15 respectively with long girder II 8 and secondary beam IV 9, long girder II 8 is connected with the edge of a wing of secondary beam V 10, two end extensions of long girder II 8 are respectively with secondary beam IV 9, the central-web of secondary beam V 10 is connected, two junction plate I 15 that arrange are connected to long girder II 8, on the top flange and bottom flange of secondary beam IV 9 and secondary beam V 10, all connecting portions are welding, described secondary beam II 4 is parallel with secondary beam V 10, with the placement vertical with long girder II 8 of long girder I 6, by junction plate I 15, the beam-ends of secondary beam II 4 is connected in to the middle part of long girder I 6 and long girder II 8, be connected with long girder I 6 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the edge of a wing of long girder I 6 with secondary beam II 4 respectively, two junction plate I 15 that arrange are connected on the top flange and bottom flange of secondary beam II 4 and long girder I 6, be connected with long girder II 8 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the edge of a wing of long girder II 8 with secondary beam II 4 respectively, two junction plate I 15 that arrange are connected on the top flange and bottom flange of secondary beam II 4 and long girder II 8, secondary beam II 4 two ends extensions are connected with the central-web of long girder II 8 with long girder I 6, all connecting portions are welding, floor 17 adopts shear key to splice on the framework being surrounded by secondary beam II 4, long girder I 6, long girder II 8, secondary beam IV 9, secondary beam V 10,

Described C plate is made up of short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17, all members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor C by welding, described two secondary beam I 3 are placed on same straight line, connect by column base 7, and the square steel pipe I (12) that is connected to column base 7 is upper, and as two opposite side of rectangle assembling floor C plate, all connections are welding, the placement vertical with secondary beam I 3 of described long girder I 6, as the two other opposite side of rectangle assembling floor C plate, all connections are welding, the four edges of C plate is connected with junction plate II 16 by junction plate I 15, form rectangular frame, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam I 3 with long girder I 6 respectively, two junction plate I 15 are connected on long girder I 6 and secondary beam I 3 top flanges and bottom flange, all connecting portions are welding, described junction plate II 16 is positioned at one end that secondary beam I 3 is connected with long girder I 6, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam I 3, a side is connected with the web of secondary beam I 3, and all connecting portions are welding, short girder I 1, one end of short girder II 2 and two secondary beam II 4 is connected on four sides of column base 7, short girder I 1, short girder II 2 and two secondary beam II 4 are connected in the square steel pipe I 12 of column base 7, two short girders point-blank, two secondary beams point-blank, column base 7 is positioned at C Ban center, between adjacent short girder and secondary beam, connect by junction plate I 15, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam II 4 with short girder I 1 respectively, junction plate I 15 is connected on short girder I 1 and secondary beam II 4 top flanges and bottom flange, the other end of described short girder I 1 is connected to secondary beam V 10 middle parts, three sides of extension of short girder I 1 are connected with the edge of a wing and the web of secondary beam V 10 respectively, short girder I 1 is passed through junction plate I 15 and is connected on secondary beam V 10 limits, two sides of junction plate I 15 are connected with the edge of a wing of secondary beam V 10 with short girder I 1 respectively, junction plate I 15 is connected on short girder I 1 and secondary beam V 10 top flanges and bottom flange, all connecting portions are welding, the other end of described short girder II 2 is connected with two secondary beam I 3 with junction plate I 15 by column base 7, be connected in the square steel pipe I (12) of column base 7, two sides of junction plate I 15 are connected with the edge of a wing of secondary beam I 3 with short girder II 2 respectively, junction plate I 15 is connected on short girder II 2 and secondary beam I 3 top flanges and bottom flange, all connecting portions are welding, the other end of described secondary beam II 4 is connected to the middle part of long girder I 6, adopt junction plate I 15 to connect, three sides of extension of secondary beam II 4 are connected with the edge of a wing and the web of long girder I 6 respectively, two sides of junction plate I 15 are connected with the edge of a wing of long girder I 6 with secondary beam II 4 respectively, junction plate I 15 is connected on secondary beam II 4 and long girder I 6 top flanges and bottom flange, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, long girder I 6,

Described D plate is made up of short girder I 1, secondary beam II 4, secondary beam III 5, long girder I 6, column base 7, junction plate I 15, junction plate II 16 and floor 17, all members of described D plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor D by welding, short girder I 1 is vertical with secondary beam III 5 puts, by junction plate I 15, short girder I 1 is connected with secondary beam III 5, the extension of short girder I 1 is connected with the end web of secondary beam III 5, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam III 5 with short girder I 1 respectively, two junction plate I 15 are connected on top flange and bottom flange, and all connecting portions are welding, two short girder I 1 are placed on same straight line, are connected by column base 7, and two short girder I 1 are connected in the square steel pipe I 12 of column base 7, and all connecting portions are all adopted as welding, secondary beam II 4 is parallel with secondary beam III 5, vertical with two short girder I 1, be connected with two short girder I 1 with junction plate I 15 by column base 7, be connected in the square steel pipe I 12 of column base 7, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam II 4 with two short girder I 1 respectively, junction plate I 15 is connected on the top flange and bottom flange of two short girder I 1 and secondary beam II 4, and all connecting portions are all adopted as welding, long girder I 6 is parallel to two short girder I 1, perpendicular to secondary beam II 4, be connected with secondary beam II 4 and the secondary beam III 5 at two ends with junction plate II 16 by junction plate I 15, described junction plate II 16 is positioned at the end of secondary beam II 4 and secondary beam III 5, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam III 5 with secondary beam II 4, a side is connected with the web of secondary beam III 5 with secondary beam II 4, another side connects with the web of long girder I 6, two sides of described junction plate I 15 connect the edge of a wing of long girder I 6 and secondary beam II 4 and secondary beam III 5, junction plate I 15 is connected to long girder I 6, on secondary beam II 4 and secondary beam III 5 top flanges and bottom flange, the central-web of long girder I 6 is connected with the extension of secondary beam II 4, all connecting portions are all adopted as welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, secondary beam II 4, secondary beam III 5, long girder I 6,

Described E plate is made up of secondary beam II 4, long girder I 6, long girder II 8, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17, all members of described E plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor E by welding, long girder I 6 is vertical with secondary beam V 10 puts, long girder I 6 is connected in beam end with secondary beam V 10 with junction plate II 16 by junction plate I 15, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam V 10, a side is connected with the web of secondary beam V 10, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam V 10 with long girder I 6 respectively, the junction plate I 15 arranging is connected on the top flange and bottom flange of long girder I 6 and secondary beam V 10, all connecting portions are welding, described long girder II 8 is parallel with long girder I 6, placement vertical with secondary beam V 10, long girder II 8 is positioned at the middle of two long girder I 6, two ends of long girder II 8 are connected in respectively the middle part of secondary beam V 10 by junction plate I 15, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam V 10 with long girder II 8 respectively, the central-web of extension two ends, two ends secondary beam V 10 of long girder II 8 is connected, the junction plate I 15 arranging is connected on the top flange and bottom flange of long girder II 8 and secondary beam V 10, all connecting portions are welding, described secondary beam II 4 is parallel with secondary beam V 10, with the placement vertical with long girder II 8 of long girder I 6, by junction plate I 15, the beam-ends of secondary beam II 4 is connected in to the middle part of long girder I 6 and long girder II 8, be connected with long girder I 6 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the edge of a wing of long girder I 6 with secondary beam II 4 respectively, the junction plate I 15 arranging is connected on secondary beam II 4 and long girder I 6 top flanges and bottom flange, be connected with long girder II 8 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the edge of a wing of long girder II 8 with secondary beam II 4 respectively, two junction plate I 15 that arrange are connected on secondary beam II 4 and long girder II 8 top flanges and bottom flange, secondary beam II 4 two ends extensions are connected with the central-web of long girder II 8 with the long girder I 6 in both sides, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in secondary beam II 4, long girder I 6, long girder II 8, secondary beam V 10,

Described F plate is made up of short girder I 1, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17, all members of described F plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor F by welding, long girder I 6 is vertical with secondary beam V 10 puts, long girder I 6 is connected in beam end with secondary beam V 10 with junction plate II 16 by junction plate I 15, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam V 10, a side is connected with the web of secondary beam V 10, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam V 10 with long girder I 6 respectively, the junction plate I 15 arranging is connected on long girder I 6 and secondary beam V 10 top flanges and bottom flange, all connecting portions are welding, one end of two short girder I 1 and two secondary beam II 4 is connected on four sides of column base 7, two short girder I 1 and two secondary beam II 4 are connected in the square steel pipe I 12 of column base 7, two short girders point-blank, two secondary beams point-blank, column base 7 is positioned at F Ban center, between adjacent short girder and secondary beam, connect by junction plate I 15, two sides of described junction plate I 15 are connected with the edge of a wing of secondary beam II 4 with short girder I 1 respectively, junction plate I 15 is connected on short girder I 1 and secondary beam II 4 top flanges and bottom flange, the other end of described short girder I 1 is connected to secondary beam V 10 middle parts, three sides of the extension of short girder I 1 are connected with the edge of a wing and the web at secondary beam V 10 middle parts respectively, short girder I 1 is connected with secondary beam V 10 by junction plate I 15, two sides of junction plate I 15 are connected with the edge of a wing of secondary beam V 10 with short girder I 1 respectively, junction plate I 15 is connected on top flange and bottom flange, the other end of described secondary beam II 4 is connected to the middle part of long girder I 6, adopt junction plate I 15 to connect, three sides of extension of secondary beam II 4 are connected with the edge of a wing and the web at long girder I 6 middle parts respectively, two sides of junction plate I 15 are connected with the edge of a wing of long girder I 6 with secondary beam II 4 respectively, junction plate I 15 is connected on the top flange and bottom flange of secondary beam II 4 and long girder I 6, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10,

Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I 6 of the long girder I 6 of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I 6 of the long girder I 6 of B plate and C plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor D plate and described assembling floor E plate splice, connecting method is that the long girder I 6 of the long girder I 6 of D plate and E plate is spliced, described assembling floor E plate and described assembling floor F plate splice, and connecting method is the long girder I 6 of the long girder I 6 of E plate and F plate to be spliced to all splicings all adopt bolt to carry out scene splicing; Described assembling floor A plate and described assembling floor D plate splice, and connecting method is that the secondary beam V 10 of the secondary beam V 10 of A plate and D plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor E plate splice, connecting method is that the secondary beam V 10 of the secondary beam V 10 of B plate and E plate is spliced, described assembling floor C plate and described assembling floor F plate splice, connecting method is that the secondary beam V 10 of the secondary beam V 10 of C plate and F plate is spliced, and all splicings all adopt bolt to carry out scene splicing;

The basic composition unit of described assembling floor system is A plate, B plate, C plate, D plate, E plate and F plate; The two ends of assembling floor system are A plate and D plate in the horizontal, and B plate and C plate stitch together and can form a module, and this module can be spliced mutually, according to the area of building requirements, increase quantity and the splicing of A plate of this module; E plate and F plate stitch together and can form another module, and this module can be spliced mutually, according to the area of building requirements, increase quantity and the splicing of D plate of this module; The two ends of longitudinally upper assembling floor system are A plate, B plate and C plate, by increasing the intermediate module of D plate, E plate and F plate composition, splice to increase building area; Realize Modularized splice;

Described column base 7 is made up of two flanged plates 11 and a square steel pipe I 12, and two flanged plates 11 lay respectively on two ends of square steel pipe I 12, and all connections all adopt welding; Described flange post 13 is made up of a square steel pipe II 14 and two flanged plates 11, and two flanged plates 11 lay respectively on two ends of square steel pipe II 14, and all connections all adopt welding; Described flange post 13 is connected with column base 7, forms steel frame structural system, and all connections are all with bolts.

Described short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, long girder II 8, secondary beam IV 9 are H shaped steel, or two back-to-back equivalent H shaped steel that are spliced of channel-section steel, or two equivalent H shaped steel that T-steel is spliced, or four equivalent H shaped steel that angle splice joint forms; Described secondary beam III 5, long girder I 6, secondary beam V 10 are channel-section steels, or two equivalent channel-section steels that angle splice joint forms.

All beams are section steel beams, or in the Steel Castellated Beams of the web place of beam opening holes, are convenient to various pipelines and pass.

In the modular assembly formula steel work prestressing force center support system that the node that the present invention proposes rigidly connects, described prefabricated PC bearing diagonal is made up of otic placode and prestressing force brace, otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode are assembled, form prestressing force bearing diagonal; Described otic placode comprises joint lug plate, center support crossbeam otic placode; Described joint lug plate is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, the square steel pipe of another side and column base, and all connections all adopt welding; Described center support crossbeam otic placode is positioned at the middle part of beam, is welded on the edge of a wing of beam.

In the how high-rise assembling type steel structure system of modularization that the present invention proposes, described assembling flange post and assembling column base all complete in factory process, are then bolted each component assembly and become described assembling floor.

Brief description of the drawings

Fig. 1 is assembling floor splicing layout plan of the present invention

Fig. 2 is the schematic diagram of assembling floor A plate of the present invention

Fig. 3 is the unit decomposition figure of assembling floor A plate of the present invention

Fig. 4 is the schematic diagram of assembling floor B plate of the present invention

Fig. 5 is the unit decomposition figure of assembling floor B plate of the present invention

Fig. 6 is the schematic diagram of assembling floor C plate of the present invention

Fig. 7 is the unit decomposition figure of assembling floor C plate of the present invention

Fig. 8 is the schematic diagram of assembling floor D plate of the present invention

Fig. 9 is the unit decomposition figure of assembling floor D plate of the present invention

Figure 10 is the schematic diagram of assembling floor E plate of the present invention

Figure 11 is the unit decomposition figure of assembling floor E plate of the present invention

Figure 12 is the schematic diagram of assembling floor F plate of the present invention

Figure 13 is the unit decomposition figure of assembling floor F plate of the present invention

Figure 14 is Assembled Building sheet-pile seat unit decomposition figure of the present invention

Figure 15 is assembling flange pole unit exploded view of the present invention

Figure 16 is the schematic diagram that punches of the beam in assembling floor of the present invention

Figure 17 is joint lug plate schematic diagram of the present invention

Figure 18 is the splicing schematic diagram of joint lug plate of the present invention and prestressing force brace

Figure 19 is prestressing force center support crossbeam otic placode schematic diagram of the present invention

Figure 20 is the splicing schematic diagram of prestressing force center support crossbeam otic placode of the present invention and prestressing force brace

Figure 21 is prestressing force center support form schematic diagram of the present invention

Figure 22 is assembling design sketch of the present invention

Wherein: 1-short girder I, 2-short girder II, 3-secondary beam I, 4-secondary beam II, 5-secondary beam III, 6-long girder I, 7-column base, 8-long girder II, 9-secondary beam IV, 10-secondary beam V, 11-flanged plate, 12-square steel pipe I, 13-flange post, 14-square steel pipe II, 15-junction plate I, 16-junction plate II, 17-floor, 18-joint lug plate, 19-center support crossbeam otic placode, 20-prestressing force prestressing force brace.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in detail:

As shown in Figure 1, in the modular assembly formula steel work prestressing force center support system that the node that the present invention proposes rigidly connects, the how high-rise assembling type steel structure system of described modularization is supported by assembling floor, assembling and assembling flange post adopts bolts assemblies to form; The basic composition unit of described assembling floor system is A plate, B plate, C plate, D plate, E plate and F plate.

As shown in accompanying drawing 2 and accompanying drawing 3, described A plate is made up of short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, secondary beam III 5, long girder I 6, column base 7, junction plate I 15, junction plate II 16 and floor 17; All members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor A by welding.Short girder II 2 is vertical with secondary beam I 3 puts, short girder II 2 is connected with secondary beam I 3 with junction plate I 15 by column base 7, short girder II 2 and secondary beam I 3 are connected in the square steel pipe I 12 of column base 7, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder II 2 and secondary beam I 3 respectively, and all connecting portions are welding, short girder I 1 and short girder II 2 are placed on same straight line, are connected by column base 7, and short girder I 1 and short girder II 2 are connected in the square steel pipe I 12 of column base 7, and all connecting portions are all adopted as welding, secondary beam II 4 is parallel with secondary beam I 3, vertical with short girder II 2 with short girder I 1, be connected with short girder II 2 with short girder I 1 with junction plate I 15 by column base 7, be connected in the square steel pipe I 12 of column base 7, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder I 1, short girder II 2 and secondary beam II 4 respectively, and all connecting portions are all adopted as welding, secondary beam III 5 is parallel with secondary beam II 4, vertical with short girder II 2 with short girder I 1, be connected with short girder I 1 by junction plate I 15, three sides of the plate stretching out in short girder I 1 are connected with upper bottom flange and the web of secondary beam III 5, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam III 5 respectively, and all connecting portions are all adopted as welding, long girder I 6 is parallel to short girder I 1 and short girder II 2, perpendicular to secondary beam I 3, by junction plate I 15 and junction plate II 16 and secondary beam I 3, secondary beam II 4 is connected with secondary beam III 5, described junction plate II 16 is positioned at the end of secondary beam I 3 and secondary beam II 4, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam II 4 with secondary beam I 3, a side is connected with the web of secondary beam I 3, another side connects with the web of long girder I 6, two sides of described junction plate I 15 connect long girder I 6, secondary beam I 3, the upper bottom flange of secondary beam II 4 and secondary beam III 5, all connecting portions are all adopted as welding, floor 17 adopts shear key to splice in the plane being surrounded by short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, secondary beam III 5, long girder I 6.

As shown in accompanying drawing 4 and accompanying drawing 5, described B plate is made up of secondary beam II 4, long girder I 6, long girder II 8, secondary beam IV 9, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17; All members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor B by welding.Long girder I 6 and secondary beam IV 9, secondary beam V 10 is vertically put, by junction plate I 15 and junction plate II 16 by two long girder I 6 and secondary beam IV 9, secondary beam V 10 connects in beam end, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam IV 9, the upper and lower side of junction plate II 16 and secondary beam IV 9, the edge of a wing of secondary beam V 10 is connected, a side is connected with the web of secondary beam V 10 with secondary beam IV 9, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 respectively with long girder I 6 and secondary beam IV 9, the upper bottom flange of long girder I 6 and secondary beam V 10 is connected, all connecting portions are welding, described long girder II 8 is parallel with long girder I 6, placement vertical with secondary beam V 10, long girder II 8 is positioned at the middle of two long girder I 6, two ends of long girder II 8 are connected in respectively the middle part of secondary beam IV 9, secondary beam V 10 by junction plate I 15, two sides of described junction plate I 15 are connected with the upper bottom flange of secondary beam IV 9, long girder II 8 and secondary beam V 10 with long girder II 8 respectively, two end extensions of long girder II 8 are connected with the central-web of secondary beam IV 9, secondary beam V 10 respectively, and all connecting portions are welding, described secondary beam II 4 is parallel with secondary beam V 10, with the placement vertical with long girder II 8 of long girder I 6, by junction plate I 15, the beam-ends of secondary beam II 4 is connected in to the middle part of long girder I 6 and long girder II 8, be connected with long girder I 6 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the edge of a wing of long girder I 6 with secondary beam II 4 respectively, two junction plate I 15 that arrange are connected on the top flange and bottom flange of secondary beam II 4 and long girder I 6, be connected with long girder II 8 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the upper bottom flange of secondary beam II 4 and long girder II 8 respectively, secondary beam II 4 two ends extensions are connected with the central-web of long girder II 8 with long girder I 6, all connecting portions are welding, floor 17 adopts shear key to splice on the framework being surrounded by secondary beam II 4, long girder I 6, long girder II 8, secondary beam IV 9, secondary beam V 10.

As shown in accompanying drawing 6 and accompanying drawing 7, described C plate is made up of short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17; All members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor C by welding.Described two secondary beam I 3 are placed on same straight line, connect by column base 7, and the square steel pipe I (12) that is connected to column base 7 is upper, and as two opposite side of rectangle assembling floor C plate, all connections are welding, the placement vertical with secondary beam I 3 of described long girder I 6, as the two other opposite side of rectangle assembling floor C plate, all connections are welding, the four edges of C plate is connected with junction plate II 16 by junction plate I 15, form rectangular frame, two sides of described junction plate I 15 are connected with the upper bottom flange of long girder I 6 and secondary beam I 3 respectively, all connecting portions are welding, described junction plate II 16 is positioned at one end that secondary beam I 3 is connected with long girder I 6, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam I 3, and a side is connected with the web of secondary beam I 3, and all connecting portions are welding, short girder I 1, one end of short girder II 2 and two secondary beam II 4 is connected on four sides of column base 7, short girder I 1, short girder II 2 and two secondary beam II 4 are connected in the square steel pipe I (12) of column base 7, two short girders point-blank, two secondary beams point-blank, column base 7 is positioned at C Ban center, between adjacent short girder and secondary beam, connect by junction plate I 15, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam II 4 respectively, the other end of described short girder I 1 is connected to secondary beam V 10 middle parts, three sides of extension of short girder I 1 are connected with the edge of a wing and the web of secondary beam V 10 respectively, short girder I 1 is passed through junction plate I 15 and is connected on secondary beam V 10 limits, two sides of junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam V 10 respectively, all connecting portions are welding, the other end of described short girder II 2 is connected with two secondary beam I 3 with junction plate I 15 by column base 7, be connected in the square steel pipe I 12 of column base 7, two sides of junction plate I 15 are connected with the upper bottom flange of short girder II 2 and secondary beam I 3 respectively, all connecting portions are welding, the other end of described secondary beam II 4 is connected to the middle part of long girder I 6, adopt junction plate I 15 to connect, three sides of extension of secondary beam II 4 are connected with the edge of a wing and the web of long girder I 6 respectively, two sides of junction plate I 15 are connected with the upper bottom flange of secondary beam II 4 and long girder I 6 respectively, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, short girder II 2, secondary beam I 3, secondary beam II 4, long girder I 6.

As illustrated in Figure 8 and 9 reference, described D plate is made up of short girder I 1, secondary beam II 4, secondary beam III 5, long girder I 6, column base 7, junction plate I 15, junction plate II 16 and floor 17; All members of described D plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor D by welding.Short girder I 1 is vertical with secondary beam III 5 puts, by junction plate I 15, short girder I 1 is connected with secondary beam III 5, the extension of short girder I 1 is connected with the end web of secondary beam III 5, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam III 5 respectively, and all connecting portions are welding, two short girder I 1 are placed on same straight line, are connected by column base 7, and two short girder I 1 are connected in the square steel pipe I 12 of column base 7, and all connecting portions are all adopted as welding, secondary beam II 4 is parallel with secondary beam III 5, vertical with two short girder I 1, be connected with two short girder I 1 with junction plate I 15 by column base 7, be connected in the square steel pipe I 12 of column base 7, two sides of described junction plate I 15 are connected with the upper bottom flange of two short girder I 1 and secondary beam II 4 respectively, and all connecting portions are all adopted as welding, long girder I 6 is parallel to two short girder I 1, perpendicular to secondary beam II 4, be connected with secondary beam II 4 and the secondary beam III 5 at two ends with junction plate II 16 by junction plate I 15, described junction plate II 16 is positioned at the end of secondary beam II 4 and secondary beam III 5, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam III 5 with secondary beam II 4, a side is connected with the web of secondary beam III 5 with secondary beam II 4, another side connects with the web of long girder I 6, two sides of described junction plate I 15 connect the upper bottom flange of long girder I 6 and secondary beam II 4 and secondary beam III 5, the central-web of long girder I 6 is connected with the extension of secondary beam II 4, all connecting portions are all adopted as welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, secondary beam II 4, secondary beam III 5, long girder I 6.

As shown in accompanying drawing 10 and accompanying drawing 11, described E plate is made up of secondary beam II 4, long girder I 6, long girder II 8, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17; All members of described E plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor E by welding.Long girder I 6 is vertical with secondary beam V 10 puts, long girder I 6 is connected in beam end with secondary beam V 10 with junction plate II 16 by junction plate I 15, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam V 10, a side is connected with the web of secondary beam V 10, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 are connected with the upper bottom flange of long girder I 6 and secondary beam V 10 respectively, and all connecting portions are welding, described long girder II 8 is parallel with long girder I 6, placement vertical with secondary beam V 10, long girder II 8 is positioned at the middle of two long girder I 6, two ends of long girder II 8 are connected in respectively the middle part of secondary beam V 10 by junction plate I 15, two sides of described junction plate I 15 are connected with the upper bottom flange of long girder II 8 and secondary beam V 10 respectively, the central-web of extension two ends, two ends secondary beam V 10 of long girder II 8 is connected, and all connecting portions are welding, described secondary beam II 4 is parallel with secondary beam V 10, with the placement vertical with long girder II 8 of long girder I 6, by junction plate I 15, the beam-ends of secondary beam II 4 is connected in to the middle part of long girder I 6 and long girder II 8, be connected with long girder I 6 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the upper bottom flange of secondary beam II 4 and long girder I 6 respectively, be connected with long girder II 8 two sides of junction plate I 15 of one end of secondary beam II 4 are connected with the upper bottom flange of secondary beam II 4 and long girder II 8 respectively, secondary beam II 4 two ends extensions are connected with the central-web of long girder II 8 with the long girder I 6 in both sides, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in secondary beam II 4, long girder I 6, long girder II 8, secondary beam V 10.

As shown in accompanying drawing 12 and accompanying drawing 13, described F plate is made up of short girder I 1, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10, junction plate I 15, junction plate II 16 and floor 17; All members of described F plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor F by welding.Long girder I 6 is vertical with secondary beam V 10 puts, long girder I 6 is connected in beam end with secondary beam V 10 with junction plate II 16 by junction plate I 15, form rectangular frame, described junction plate II 16 is positioned at the end of secondary beam, the upper and lower side of junction plate II 16 is connected with the edge of a wing of secondary beam V 10, a side is connected with the web of secondary beam V 10, another side is connected with long girder I 6 webs, two sides of described junction plate I 15 are connected with the upper bottom flange of long girder I 6 and secondary beam V 10 respectively, and all connecting portions are welding, one end of two short girder I 1 and two secondary beam II 4 is connected on four sides of column base 7, two short girder I 1 and two secondary beam II 4 are connected in the square steel pipe I 12 of column base 7, two short girders point-blank, two secondary beams point-blank, column base 7 is positioned at F Ban center, between adjacent short girder and secondary beam, connect by junction plate I 15, two sides of described junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam II 4 respectively, the other end of described short girder I 1 is connected to secondary beam V 10 middle parts, three sides of the extension of short girder I 1 are connected with the edge of a wing and the web at secondary beam V 10 middle parts respectively, short girder I 1 is connected with secondary beam V 10 by junction plate I 15, two sides of junction plate I 15 are connected with the upper bottom flange of short girder I 1 and secondary beam V 10 respectively, the other end of described secondary beam II 4 is connected to the middle part of long girder I 6, adopt junction plate I 15 to connect, three sides of extension of secondary beam II 4 are connected with the edge of a wing and the web at long girder I 6 middle parts respectively, two sides of junction plate I 15 are connected with the upper bottom flange of secondary beam II 4 and long girder I 6 respectively, all connecting portions are welding, floor 17 adopts shear key to splice on the framework surrounding in short girder I 1, secondary beam II 4, long girder I 6, column base 7, secondary beam V 10.

Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I 6 of the long girder I 6 of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I 6 of the long girder I 6 of B plate and C plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor D plate and described assembling floor E plate splice, connecting method is that the long girder I 6 of the long girder I 6 of D plate and E plate is spliced, described assembling floor E plate and described assembling floor F plate splice, and connecting method is the long girder I 6 of the long girder I 6 of E plate and F plate to be spliced to all splicings all adopt bolt to carry out scene splicing; Described assembling floor A plate and described assembling floor D plate splice, and connecting method is that the secondary beam V 10 of the secondary beam V 10 of A plate and D plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor E plate splice, connecting method is that the secondary beam V 10 of the secondary beam V 10 of B plate and E plate is spliced, described assembling floor C plate and described assembling floor F plate splice, connecting method is that the secondary beam V 10 of the secondary beam V 10 of C plate and F plate is spliced, and all splicings all adopt bolt to carry out scene splicing.

As shown in accompanying drawing 14 and accompanying drawing 15, described column base 7 is made up of two flanged plates 11 and a square steel pipe I 12, and two flanged plates 11 lay respectively on two ends of square steel pipe I 12, and all connections all adopt welding; Described flange post 13 is made up of a square steel pipe II 14 and two flanged plates 11, and two flanged plates 11 lay respectively on two ends of square steel pipe II 14, and all connections all adopt welding; Described flange post 13 is connected with column base 7, forms steel frame structural system, and all connections are all with bolts.

As shown in Figure 16, described all beams, all can adopt the Steel Castellated Beams at the web place of beam opening holes, are convenient to various pipelines and pass.

As shown in accompanying drawing 17-21, described prefabricated PC bearing diagonal is made up of otic placode and prestressing force brace 20, and otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode are assembled, form prestressing force bearing diagonal; Described otic placode comprises joint lug plate 18, center support crossbeam otic placode 19; Described joint lug plate 18 is positioned at the junction of column base 7 and beam, and one side is connected with the edge of a wing of beam, the square steel pipe I 12 of another side and column base 7, and all connections all adopt welding; Described center support crossbeam otic placode 19 is positioned at the middle part of beam, is welded on the edge of a wing of beam.

As shown in Figure 22, assembling design sketch of the present invention.

Claims

1. the modular assembly formula steel work prestressing force center support system that node rigidly connects, is characterized in that: the how high-rise assembling type steel structure system of described modularization is supported by assembling floor, assembling and assembling flange post adopts bolts assemblies to form; The bean column node of described steel structure system is to be welded in factory with being connected of framework, and realization is rigidly connected; Described assembling floor is by A plate, B plate, C plate, D plate, E plate and 6 kinds of combined and spliced forming of assembling floor of F plate;

Described A plate is made up of short girder I (1), short girder II (2), secondary beam I (3), secondary beam II (4), secondary beam III (5), long girder I (6), column base (7), junction plate I (15), junction plate II (16) and floor (17), all members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor A by welding, short girder II (2) and vertical the putting of secondary beam I (3), short girder II (2) is connected with secondary beam I (3) with junction plate I (15) by column base (7), short girder II (2) and secondary beam I (3) are connected in the square steel pipe I (12) of column base 7, two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam I (3) with short girder II (2) respectively, two junction plate I (15) are connected on short girder II (2) and secondary beam I (3) top flange and bottom flange, and all connecting portions are welding, short girder I (1) and short girder II (2) are placed on same straight line, be connected by column base (7), short girder I (1) and short girder II (2) are connected in the square steel pipe I (12) of column base (7), and all connecting portions are all adopted as welding, secondary beam II (4) is parallel with secondary beam I (3), vertical with short girder II (2) with short girder I (1), be connected with short girder II (2) with short girder I (1) with junction plate I (15) by column base (7), be connected in the square steel pipe I (12) of column base (7), two sides of described junction plate I (15) respectively with short girder I (1), short girder II (2) is connected with the edge of a wing of secondary beam II (4), two junction plate I (15) are connected to short girder I (1), on the top flange and bottom flange of short girder II (2) and secondary beam II (4), all connecting portions are all adopted as welding, secondary beam III (5) is parallel with secondary beam II (4), vertical with short girder II (2) with short girder I (1), be connected with short girder I (1) by junction plate I (15), three sides of the plate stretching out in short girder I (1) are connected with upper bottom flange and the web of secondary beam III (5), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam III (5) with short girder I (1) respectively, two junction plate I (15) are connected on top flange and bottom flange, and all connecting portions are all adopted as welding, long girder I (6) is parallel to short girder I (1) and short girder II (2), perpendicular to secondary beam I (3), by junction plate I (15) and junction plate II (16) and secondary beam I (3), secondary beam II (4) is connected with secondary beam III (5), described junction plate II (16) is positioned at the end of secondary beam I (3) and secondary beam II (4), the upper and lower side of junction plate II (16) is connected with the edge of a wing of secondary beam II (4) with secondary beam I (3), a side is connected with the web of secondary beam I (3), another side connects with the web of long girder I (6), two sides of described junction plate I (15) connect long girder I (6), secondary beam I (3), the edge of a wing of secondary beam II (4) and secondary beam III (5), junction plate I (15) is connected to long girder I (6), secondary beam I (3), on the top flange and bottom flange of secondary beam II (4) and secondary beam III (5), all connecting portions are all adopted as welding, floor (17) adopts shear key to splice in the plane being surrounded by short girder I (1), short girder II (2), secondary beam I (3), secondary beam II (4), secondary beam III (5), long girder I (6),

Described B plate is made up of secondary beam II (4), long girder I (6), long girder II (8), secondary beam IV (9), secondary beam V (10), junction plate I (15), junction plate II (16) and floor (17), all members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor B by welding, long girder I (6) and secondary beam IV (9), secondary beam V (10) is vertically put, by junction plate I (15) and junction plate II (16) by two long girder I (6) and secondary beam IV (9), secondary beam V (10) connects in beam end, form rectangular frame, described junction plate II (16) is positioned at the end of secondary beam IV (9), the upper and lower side of junction plate II (16) and secondary beam IV (9), the edge of a wing of secondary beam V (10) is connected, a side is connected with the web of secondary beam V (10) with secondary beam IV (9), another side is connected with long girder I (6) web, two sides of described junction plate I (15) respectively with long girder I (6) and secondary beam IV (9), long girder I (6) is connected with the edge of a wing of secondary beam V (10), the two junction plate I (15) that arrange are connected to long girder I (6) and secondary beam IV (9), on long girder I (6) and secondary beam V (10) top flange and bottom flange, all connecting portions are welding, described long girder II (8) is parallel with long girder I (6), placement vertical with secondary beam V (10), long girder II (8) is positioned at the middle of two long girder I (6), two ends of long girder II (8) are connected in secondary beam IV (9) by junction plate I (15) respectively, the middle part of secondary beam V (10), two sides of described junction plate I (15) respectively with long girder II (8) and secondary beam IV (9), long girder II (8) is connected with the edge of a wing of secondary beam V (10), two end extensions of long girder II (8) are respectively with secondary beam IV (9), the central-web of secondary beam V (10) is connected, the two junction plate I (15) that arrange are connected to long girder II (8), on the top flange and bottom flange of secondary beam IV (9) and secondary beam V (10), all connecting portions are welding, described secondary beam II (4) is parallel with secondary beam V (10), with long girder I (6) placement vertical with long girder II (8), by junction plate I (15), the beam-ends of secondary beam II (4) is connected in to the middle part of long girder I (6) and long girder II (8), be connected with long girder I (6) two sides of junction plate I (15) of one end of secondary beam II (4) are connected with the edge of a wing of long girder I (6) with secondary beam II (4) respectively, the two junction plate I (15) that arrange are connected on the top flange and bottom flange of secondary beam II (4) and long girder I (6), be connected with long girder II (8) two sides of junction plate I (15) of one end of secondary beam II (4) are connected with the edge of a wing of long girder II (8) with secondary beam II (4) respectively, the two junction plate I (15) that arrange are connected on the top flange and bottom flange of secondary beam II (4) and long girder II (8), secondary beam II (4) two ends extension is connected with the central-web of long girder II (8) with long girder I (6), all connecting portions are welding, floor (17) adopts shear key to splice on the framework being surrounded by secondary beam II (4), long girder I (6), long girder II (8), secondary beam IV (9), secondary beam V (10),

Described C plate is made up of short girder I (1), short girder II (2), secondary beam I (3), secondary beam II (4), long girder I (6), column base (7), secondary beam V (10), junction plate I (15), junction plate II (16) and floor (17), all members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor C by welding, described two secondary beam I (3) are placed on same straight line, connect by column base (7), and the square steel pipe I (12) that is connected to column base (7) is upper, and as two opposite side of rectangle assembling floor C plate, all connections are welding, described long girder I (6) placement vertical with secondary beam I (3), as the two other opposite side of rectangle assembling floor C plate, all connections are welding, the four edges of C plate is connected with junction plate II (16) by junction plate I (15), form rectangular frame, two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam I (3) with long girder I (6) respectively, two junction plate I (15) are connected on long girder I (6) and secondary beam I (3) top flange and bottom flange, all connecting portions are welding, described junction plate II (16) is positioned at one end that secondary beam I (3) is connected with long girder I (6), the upper and lower side of junction plate II (16) is connected with the edge of a wing of secondary beam I (3), a side is connected with the web of secondary beam I (3), all connecting portions are welding, short girder I (1), one end of short girder II (2) and two secondary beam II (4) is connected on four sides of column base (7), short girder I (1), short girder II (2) and two secondary beam II (4) are connected in the square steel pipe I (12) of column base 7, two short girders point-blank, two secondary beams point-blank, column base (7) is positioned at C Ban center, between adjacent short girder and secondary beam, connect by junction plate I (15), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam II (4) with short girder I (1) respectively, junction plate I (15) is connected on short girder I (1) and secondary beam II (4) top flange and bottom flange, the other end of described short girder I (1) is connected to secondary beam V (10) middle part, three sides of extension of short girder I (1) are connected with the edge of a wing and the web of secondary beam V (10) respectively, short girder I (1) is passed through junction plate I (15) and is connected on secondary beam V (10) limit, two sides of junction plate I (15) are connected with the edge of a wing of secondary beam V (10) with short girder I (1) respectively, junction plate I (15) is connected on short girder I (1) and secondary beam V (10) top flange and bottom flange, all connecting portions are welding, the other end of described short girder II (2) is connected with two secondary beam I (3) with junction plate I (15) by column base (7), be connected in the square steel pipe I (12) of column base 7, two sides of junction plate I (15) are connected with the edge of a wing of secondary beam I (3) with short girder II (2) respectively, junction plate I (15) is connected on short girder II (2) and secondary beam I (3) top flange and bottom flange, all connecting portions are welding, the other end of described secondary beam II (4) is connected to the middle part of long girder I (6), adopt junction plate I (15) to connect, three sides of extension of secondary beam II (4) are connected with the edge of a wing and the web of long girder I (6) respectively, two sides of junction plate I (15) are connected with the edge of a wing of long girder I (6) with secondary beam II (4) respectively, junction plate I (15) is connected on secondary beam II (4) and long girder I (6) top flange and bottom flange, all connecting portions are welding, floor (17) adopts shear key to splice on the framework surrounding in short girder I (1), short girder II (2), secondary beam I (3), secondary beam II (4), long girder I (6),

Described D plate is made up of short girder I (1), secondary beam II (4), secondary beam III (5), long girder I (6), column base (7), junction plate I (15), junction plate II (16) and floor (17), all members of described D plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor D by welding, short girder I (1) and vertical the putting of secondary beam III (5), by junction plate I (15), short girder I (1) is connected with secondary beam III (5), the extension of short girder I (1) is connected with the end web of secondary beam III (5), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam III (5) with short girder I (1) respectively, two junction plate I (15) are connected on top flange and bottom flange, and all connecting portions are welding, two short girder I (1) are placed on same straight line, are connected by column base (7), and two short girder I (1) are connected in the square steel pipe I (12) of column base (7), and all connecting portions are all adopted as welding, secondary beam II (4) is parallel with secondary beam III (5), vertical with two short girder I (1), be connected with two short girder I (1) with junction plate I (15) by column base (7), be connected in the square steel pipe I (12) of column base (7), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam II (4) with two short girder I (1) respectively, junction plate I (15) is connected on the top flange and bottom flange of two short girder I (1) and secondary beam II (4), and all connecting portions are all adopted as welding, long girder I (6) is parallel to two short girder I (1), perpendicular to secondary beam II (4), be connected with secondary beam II (4) and the secondary beam III (5) at two ends with junction plate II (16) by junction plate I (15), described junction plate II (16) is positioned at the end of secondary beam II (4) and secondary beam III (5), the upper and lower side of junction plate II (16) is connected with the edge of a wing of secondary beam III (5) with secondary beam II (4), a side is connected with the web of secondary beam III (5) with secondary beam II (4), another side connects with the web of long girder I (6), two sides of described junction plate I (15) connect the edge of a wing of long girder I (6) and secondary beam II (4) and secondary beam III (5), junction plate I (15) is connected to long girder I (6), on secondary beam II (4) and secondary beam III (5) top flange and bottom flange, the central-web of long girder I (6) is connected with the extension of secondary beam II (4), all connecting portions are all adopted as welding, floor (17) adopts shear key to splice on the framework surrounding in short girder I (1), secondary beam II (4), secondary beam III (5), long girder I (6),

Described E plate is made up of secondary beam II (4), long girder I (6), long girder II (8), secondary beam V (10), junction plate I (15), junction plate II (16) and floor (17), all members of described E plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor E by welding, long girder I (6) and vertical the putting of secondary beam V (10), long girder I (6) is connected in beam end with secondary beam V (10) with junction plate II (16) by junction plate I (15), form rectangular frame, described junction plate II (16) is positioned at the end of secondary beam, the upper and lower side of junction plate II (16) is connected with the edge of a wing of secondary beam V (10), a side is connected with the web of secondary beam V (10), another side is connected with long girder I (6) web, two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam V (10) with long girder I (6) respectively, the junction plate I (15) arranging is connected on the top flange and bottom flange of long girder I (6) and secondary beam V (10), all connecting portions are welding, described long girder II (8) is parallel with long girder I (6), placement vertical with secondary beam V (10), long girder II (8) is positioned at the middle of two long girder I (6), two ends of long girder II (8) are connected in respectively the middle part of secondary beam V (10) by junction plate I (15), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam V (10) with long girder II (8) respectively, the central-web of two ends extension two ends secondary beam V (10) of long girder II (8) is connected, the junction plate I (15) arranging is connected on the top flange and bottom flange of long girder II (8) and secondary beam V (10), all connecting portions are welding, described secondary beam II (4) is parallel with secondary beam V (10), with long girder I (6) placement vertical with long girder II (8), by junction plate I (15), the beam-ends of secondary beam II (4) is connected in to the middle part of long girder I (6) and long girder II (8), be connected with long girder I (6) two sides of junction plate I (15) of one end of secondary beam II (4) are connected with the edge of a wing of long girder I (6) with secondary beam II (4) respectively, the junction plate I (15) arranging is connected on secondary beam II (4) and long girder I (6) top flange and bottom flange, be connected with long girder II (8) two sides of junction plate I (15) of one end of secondary beam II (4) are connected with the edge of a wing of long girder II (8) with secondary beam II (4) respectively, the two junction plate I (15) that arrange are connected to (on secondary beam II (4) and long girder II (8) top flange and bottom flange, secondary beam II (4) two ends extension is connected with the central-web of long girder II (8) with the long girder I in both sides (6), all connecting portions are welding, floor (17) adopts shear key to splice on the framework surrounding in secondary beam II (4), long girder I (6), long girder II (8), secondary beam V (10),

Described F plate is made up of short girder I (1), secondary beam II (4), long girder I (6), column base (7), secondary beam V (10), junction plate I (15), junction plate II (16) and floor (17), all members of described F plate all complete in factory process, be then connected with shear key each component assembly is become to assembling floor F by welding, long girder I (6) and vertical the putting of secondary beam V (10), long girder I (6) is connected in beam end with secondary beam V (10) with junction plate II (16) by junction plate I (15), form rectangular frame, described junction plate II (16) is positioned at the end of secondary beam, the upper and lower side of junction plate II (16) is connected with the edge of a wing of secondary beam V (10), a side is connected with the web of secondary beam V (10), another side is connected with long girder I (6) web, two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam V (10) with long girder I (6) respectively, the junction plate I (15) arranging is connected on long girder I (6) and secondary beam V (10) top flange and bottom flange, all connecting portions are welding, one end of two short girder I (1) and two secondary beam II (4) is connected on four sides of column base (7), two short girder I (1) and two secondary beam II (4) are connected in the square steel pipe I (12) of column base 7, two short girders point-blank, two secondary beams point-blank, column base (7) is positioned at F Ban center, between adjacent short girder and secondary beam, connect by junction plate I (15), two sides of described junction plate I (15) are connected with the edge of a wing of secondary beam II (4) with short girder I (1) respectively, junction plate I (15) is connected on short girder I (1) and secondary beam II (4) top flange and bottom flange, the other end of described short girder I (1) is connected to secondary beam V (10) middle part, three sides of the extension of short girder I (1) are connected with the edge of a wing and the web at secondary beam V (10) middle part respectively, short girder I (1) is connected with secondary beam V (10) by junction plate I (15), two sides of junction plate I (15) are connected with the edge of a wing of secondary beam V (10) with short girder I (1) respectively, junction plate I (15) is connected on top flange and bottom flange, the other end of described secondary beam II (4) is connected to the middle part of long girder I (6), adopt junction plate I (15) to connect, three sides of extension of secondary beam II (4) are connected with the edge of a wing and the web at long girder I (6) middle part respectively, two sides of junction plate I (15) are connected with the edge of a wing of long girder I (6) with secondary beam II (4) respectively, junction plate I (15) is connected on the top flange and bottom flange of secondary beam II (4) and long girder I (6), all connecting portions are welding, floor (17) adopts shear key to splice on the framework surrounding in short girder I (1), secondary beam II (4), long girder I (6), column base (7), secondary beam V (10),

Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I (6) of the long girder I (6) of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I (6) of the long girder I (6) of B plate and C plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor D plate and described assembling floor E plate splice, connecting method is that the long girder I (6) of the long girder I (6) of D plate and E plate is spliced, described assembling floor E plate and described assembling floor F plate splice, and connecting method is the long girder I (6) of the long girder I (6) of E plate and F plate to be spliced to all splicings all adopt bolt to carry out scene splicing; Described assembling floor A plate and described assembling floor D plate splice, and connecting method is that the secondary beam V (10) of the secondary beam V (10) of A plate and D plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor E plate splice, connecting method is that the secondary beam V (10) of the secondary beam V (10) of B plate and E plate is spliced, described assembling floor C plate and described assembling floor F plate splice, connecting method is that the secondary beam V (10) of the secondary beam V (10) of C plate and F plate is spliced, and all splicings all adopt bolt to carry out scene splicing;

Described column base (7) is made up of two flanged plates (11) and a square steel pipe I (12), and two flanged plates (11) lay respectively on two ends of square steel pipe I (12), and all connections all adopt welding; Described flange post (13) is made up of a square steel pipe II (14) and two flanged plates (11), and two flanged plates (11) lay respectively on two ends of square steel pipe II (14), and all connections all adopt welding; Described flange post (13) is connected with column base (7), forms steel frame structural system, and all connections are all with bolts.

Described prefabricated PC center bearing diagonal is made up of otic placode and prestressing force brace (20), and otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode is assembled, and forms prestressing force bearing diagonal; Described otic placode comprises joint lug plate (18), center support crossbeam otic placode (19); Described joint lug plate (18) is positioned at the junction of column base (7) and beam, and one side is connected with the edge of a wing of beam, the square steel pipe I (12) of another side and column base (7), and all connections all adopt welding; Described center support crossbeam otic placode (19) is positioned at the middle part of beam, is welded on the edge of a wing of beam.

2. the modular assembly formula steel work prestressing force center support system that a kind of node according to claim 1 rigidly connects, it is characterized in that: described short girder I (1), short girder II (2), secondary beam I (3), secondary beam II (4), long girder II (8), secondary beam IV (9) are H shaped steel, or two back-to-back equivalent H shaped steel that are spliced of channel-section steel, or two equivalent H shaped steel that T-steel is spliced, or four equivalent H shaped steel that angle splice joint forms; Described secondary beam III (5), long girder I (6), secondary beam V (10) are channel-section steels, or two equivalent channel-section steels that angle splice joint forms.

3. the modular assembly formula steel work prestressing force center support system that a kind of node according to claim 1 rigidly connects, is characterized in that: all beams are section steel beams, or in the Steel Castellated Beams of the web place of beam opening holes, is convenient to various pipelines and passes.

4. the modular assembly formula steel work prestressing force center support system that a kind of node according to claim 1 rigidly connects, is characterized in that: described prestressing force brace is prestressed cable, or prestressed draw-bar.