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CN206352357U - A kind of prestressed concrete overlapped slab with steel truss - Google Patents

A kind of prestressed concrete overlapped slab with steel truss Download PDF

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Publication number
CN206352357U
CN206352357U CN201621491669.6U CN201621491669U CN206352357U CN 206352357 U CN206352357 U CN 206352357U CN 201621491669 U CN201621491669 U CN 201621491669U CN 206352357 U CN206352357 U CN 206352357U
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CN
China
Prior art keywords
prefabricated panel
steel
steel truss
overlapping layers
prefabricated
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Expired - Fee Related
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CN201621491669.6U
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Chinese (zh)
Inventor
崔士起
刘文政
石磊
刘传卿
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Shandong Provincial Academy of Building Research
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Shandong Provincial Academy of Building Research
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Priority to CN201621491669.6U priority Critical patent/CN206352357U/en
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Publication of CN206352357U publication Critical patent/CN206352357U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of prestressed concrete overlapped slab with steel truss, belong to construction engineering technical field, its structure includes prefabricated panel, transverse steel and overlapping layers, every piece of prefabricated panel along its length on two sides be inclined-plane, wedge-shaped piece is formed between contiguous prefabricated bottom plate, filling high-strength grout in wedge-shaped piece, longitudinal prestressing reinforcing bar is arranged inside prefabricated panel along its length, transversely distributed steelbar is arranged in the width direction, every piece of prefabricated panel top is along its length at least provided with one of steel truss, intert transverse steel along prefabricated panel width below steel truss, transverse steel is located at the upper surface of prefabricated panel, polylith prefabricated panel can be linked together, overlapping layers is poured above prefabricated panel, arrangement overlapping layers transverse steel and overlapping layers longitudinal reinforcement inside overlapping layers.The utility model has the features such as holistic resistant behavior is good, applicable span is big, flameproof effect is excellent, plant produced efficiency high, site operation are easy.

Description

A kind of prestressed concrete overlapped slab with steel truss
Technical field
The utility model is related to a kind of construction engineering technical field, and especially a kind of prestressed concrete with steel truss is folded Plywood.
Background technology
In recent years, as China is to green construction, the raising of energy-saving and emission-reduction requirement, and labour market price is significantly Lifting, prefabricated assembled building technology obtains wideling popularize application.Floor as Force transmission partses important in building structure, just by Traditional integral cast-in-situ integral prefabricated is changed into the cast-in-place laminated floor slab of lower raft prefabrication, top overlapping layers.With biography System integral cast-in-situ floor is compared, and superimposed sheet avoids the working procedures such as job site formwork, lower rebar colligation, save building materials, Shorten duration, environmental protection, meet demand for development of the country to building industrialization;Compared with traditional integral prefabricated floor, overlapping The good integrity of plate, anti-seismic performance is superior, the problems such as in the absence of seepage and crack, meets building safety and usability requirement. Based on above-mentioned advantage, in recent years, superimposed sheet starts to be applied in newly-built industry and civil buildings.
The superimposed sheet that architectural engineering is used mainly has plate superimposed sheet, steel bar girder superimposed sheet and prefabricated prestressing force with ribbing Concrete folding plate.
Plate superimposed sheet, steel bar girder superimposed sheet and prefabricated prestressed concrete overlapped slab with ribbing making, transport, apply The problem of finding to exist to a certain degree during work and use or defect.
(1) the prefabricated panel bending resistance of plate superimposed sheet and anti-folding rigidity are relatively low, are easily snapped off in transport and hoisting process, Apply man-hour requirement and closeer temporary support is set, and the cohesive force between new-old concrete is relatively low, is overlapped when floow load is larger It is easy to crack between face.
(2) steel bar girder superimposed sheet is divided into regular reinforcement truss superimposed sheet and deformed bar truss superimposed sheet.Ordinary steel The prefabricated panel thickness of muscle truss superimposed sheet reaches 60mm~80mm, causes deadweight larger, it is difficult to applied to compared with large span Situation, and during installation, need to arrange multiple tracks temporary support below prefabricated panel;The prefabricated bottom of deformed bar truss superimposed sheet Plate thickness is smaller, applies prefabricated panel after prestressing force and is also easy to produce antiarch, plate face concrete is easy in lifting, transport and installation process Cracking.
(3) prefabricated prestressed concrete overlapped slab with ribbing is that concrete rib or steel plate rib are set up on prefabricated panel top.It is mixed Solidifying soil rib or steel plate rib improve the out of plane stiffness of prefabricated panel, but during using concrete rib, there is formwork complexity, rib and bottom Plate needs to construct in two times, there is construction joint between low production efficiency, and rib and bottom plate, cause the globality of prefabricated panel compared with Difference;During using steel plate rib, in lifting, transport and installation process, steel web, which easily cuts prefabricated panel, to be split, and causes product service life It is short.In addition, the hole on two kinds of floors is discontinuous, during practice of construction, the pipe inserting of corner region has difficulties in building.
In addition, the prefabricated panel thickness of protection tier design load of above-mentioned three kinds of superimposed sheets is 15mm.Building hair During calamity of lighting a fire, high temperature easily causes bottom skin concrete scaling and lower rebar fracture, floor construction fire-resistance is unsatisfactory for rule , there is certain potential safety hazard in model design requirement.Therefore, it is necessary a kind of new precast concrete superimposed sheet of research and development at this stage, The requirement that holistic resistant behavior is good, it is larger to be applicable span, plant produced efficiency high, site operation are easy is disclosure satisfy that, is prevented simultaneously Fiery excellent effect, the requirement for meeting national fire-resistance specification.
Utility model content
Technical assignment of the present utility model be for it is above-mentioned it is of the prior art it is not enough a kind of pre- with steel truss is provided should Power concrete folding plate, a kind of prestressed concrete overlapped slab with steel truss have holistic resistant behavior it is good, be applicable span Greatly, the characteristics of flameproof effect is excellent, plant produced efficiency high, site operation are easy.
The utility model solves the technical scheme that its technical problem used:It include prefabricated panel, transverse steel and Overlapping layers, described prefabricated panel includes polylith, every piece of prefabricated panel along its length on two sides be inclined-plane, it is adjacent Formed between prefabricated panel and high-strength grout is filled in wedge-shaped piece, wedge-shaped piece to prefabricated panel upper surface, described is prefabricated Base plate interior arranges longitudinal prestressing reinforcing bar along its length, and transversely distributed steelbar, transversely distributed steelbar are arranged in the width direction Above longitudinal prestressing reinforcing bar, the prefabricated panel top described in every piece is along its length at least provided with one of steel truss, institute Intert transverse steel along prefabricated panel width below the steel truss stated, transverse steel is located at the upper surface of prefabricated panel, energy It is enough that polylith prefabricated panel links together, the horizontal steel of arrangement overlapping layers inside overlapping layers, overlapping layers is poured above prefabricated panel Muscle and overlapping layers longitudinal reinforcement, described overlapping layers transverse steel are fixed on steel truss upper surface, and overlapping layers longitudinal reinforcement should be kept away Open steel truss arrangement.
Described steel truss includes wind up together steel plate, two lower edge reinforcing bars and two web member bending reinforcing steel bars, described abdomen Bar bending reinforcing steel bar is bent for waveform, and the upper inflection point of every web member bending reinforcing steel bar is welded with the steel plate that winds up, and lower inflection point is equal With lower edge reinforcement welding, described winds up steel plate outside prefabricated panel, and lower edge reinforcing bar is located in prefabricated panel, is fixed on pre- On the transversely distributed steelbar of base plate interior processed, the described steel plate that winds up is less than overlapping layer height higher than prefabricated panel upper surface.
The bending angle of described web member bending reinforcing steel bar is 30 degree~60 degree.
The lower edge reinforcing bar of described steel truss passes through colligation or the transversely distributed steelbar being weldingly fixed on inside prefabricated panel Top.
Longitudinal prestressing reinforcing bar is equally spaced inside prefabricated panel described in every piece along its length, in the width direction etc. Spacing arranges transversely distributed steelbar, and described longitudinal prestressing reinforcing bar is using 1570 grades of ΦH4.8 eliminate stress helix rib steel wire, Transversely distributed steelbar uses Φb4 cold-drawn low-carbon wires, the spacing of longitudinal prestressing reinforcing bar is true according to the requirement of design and construction condition It is fixed, and 80mm~250mm detailing requiments should be met, the spacing of transversely distributed steelbar is 250mm.
The strength grade of concrete of described prefabricated panel is C40, and the strength grade of concrete of overlapping layers is C30 or C40; The length of prefabricated panel is 1200mm~7200mm, and width is 600mm~1200mm, and thickness is 50~70mm.
The distance away from prefabricated panel lower edge is 25mm on the outside of described longitudinal prestressing reinforcing bar, and projecting end length is 150mm.Longitudinal prestressing reinforcing bar can not stretch out the end face of prefabricated panel according to requirement of engineering yet, but should take additional bar dowel Construction measure strengthens the connection of prefabricated panel end.
Described prefabricated panel upper surface is naturally coarse for concavo-convex specification roughness requirements of the depth not less than 4mm of satisfaction Face or impression mat surface.
A kind of preparation method of the prestressed concrete overlapped slab with steel truss, comprises the following steps:
(1) steel mold is made according to prefabricated panel dimensions and fixed, steel mold, which reserves stomidium, is used for interspersed indulge To deformed bar;
(2) longitudinal prestressing reinforcing bar is put into mould and carries out tensioning;
(3) transversely distributed steelbar and steel truss of prefabricated panel are fixed in colligation successively;
(4) toward casting concrete in steel mold and maintenance of vibrating, upper surface retains nature mat surface or to be processed into impression thick Matte, when the concrete crushing strength poured reaches the 75% of design compressive strength standard value, loosens longitudinal prestressing reinforcing bar, After the concrete crushing strength poured reaches the 100% of design load, lifting can be stripped;
(5) prefabricated panel is lifted in place, considers whether to need to set up temporary support as needed;
(6) filled using high-strength grout in the wedge-shaped piece between contiguous prefabricated bottom plate, packed height to prefabricated panel Surface;
(7) interspersed equipment installation and transverse steel below steel truss;
(8) the overlapping layers transverse steel and overlapping layers longitudinal reinforcement inside colligation overlapping layers;
(9) overlapping layer concrete is poured to design thickness.
Compared to the prior art a kind of prestressed concrete overlapped slab with steel truss of the present utility model, dashes forward with following The beneficial effect gone out:
Prefabricated panel is upper along its length to arrange longitudinal prestressing reinforcing bar, can have by applying prestressing force to prefabricated panel Effect improves its out of plane stiffness, reduces thickness of slab, mitigates deadweight, increase building clear height;
Prism between contiguous prefabricated bottom plate can form filling high-strength grout inside wedge-shaped piece, piece, improve The cracking resistance of piece;
Steel truss can significantly improve the out of plane stiffness and bearing capacity of prefabricated panel, add the applicable span of superimposed sheet, Meanwhile, it is capable to reduce antiarch caused by prestressing force, it is to avoid plate face concrete ftractures in lifting, transport and installation process, Bottom temporary support can be reduced or avoided in the construction stage simultaneously, significantly improve the installation rate and efficiency of construction of prefabricated panel;
Steel truss adds the cohesive force between prefabricated panel and top overlapping layer concrete, is prevented effectively from superimposed sheet new and old Ftractureed between concrete;
The steel truss steel plate that winds up can pour the bearing of the overlapping layers transverse steel in overlapping layers after, while can be with top Overlapping layers longitudinal reinforcement considers stress simultaneously, and the configuration of overlapping layers top overlapping layers longitudinal reinforcement is poured after reducing;
The web member bending reinforcing steel bar of steel truss uses waveform bending reinforcing steel bar, is easy to interspersed lower, transverse reinforcing bar and equipment pipe Line, can realize the two-way power transmission of superimposed sheet by arranging lower, transverse reinforcing bar and pouring overlapping layer concrete, improve superimposed sheet Stress performance;
Prefabricated panel lower rebar protective layer thickness is 25mm, when fire occurs for building, can postpone bottom plate layer The peeling of concrete and the fracture of lower rebar, add the time of evacuating personnel and rescue, improve the fire-resistance safety of building Degree;
The processing mold of prefabricated panel is simple, and steel truss can realize that machine processes welding, steel truss and prefabricated bottom automatically Board concrete can be molded with one-time-concreting, thoroughly realize that factory lines are produced, production efficiency is high.Steel truss and prefabricated panel it Between breakage not easy to break in construction joint, the demoulding, lifting, transport and installation process is not present, product qualification rate is high.
Brief description of the drawings
Accompanying drawing 1 is that four pieces of prefabricated panels are spliced to form and the prestressing force of one of steel truss of every piece of prefabricated panel upper bands is mixed The structural representation of solidifying soil superimposed sheet;
Accompanying drawing 2 is the structural representation of the prefabricated panel shown in Fig. 1;
Accompanying drawing 3 is the sectional view of the prefabricated panel shown in Fig. 1;
Accompanying drawing 4 is that three pieces of prefabricated panels are spliced to form and the prestressing force of every piece of road steel truss of prefabricated panel upper bands two is mixed The structural representation of solidifying soil superimposed sheet;
Accompanying drawing 5 is the structural representation of the prefabricated panel shown in Fig. 4;
Accompanying drawing 6 is the sectional view of the prefabricated panel shown in Fig. 4;
Accompanying drawing 7 is the structural representation of steel truss;
Accompanying drawing 8 is the side view of steel truss;
Accompanying drawing 9 is the front view of steel truss;
Description of reference numerals:1st, prefabricated panel, 2, wedge-shaped piece, 3, transverse steel, 4, overlapping layers, 5, longitudinal prestressing steel Muscle, 6, transversely distributed steelbar, 7, steel truss, 8, overlapping layers transverse steel, 9, overlapping layers longitudinal reinforcement, 10, prefabricated panel upper table Face, 11, inclined-plane, 12, wind up steel plate, 13, lower edge reinforcing bar, 14, web member bending reinforcing steel bar, 15, upper inflection point, 16, lower inflection point.
Embodiment
With reference to Figure of description 1 to accompanying drawing 9 to a kind of prestressed concrete overlapped slab with steel truss of the present utility model It is described in detail below.
A kind of prestressed concrete overlapped slab with steel truss of the present utility model, its structure includes prefabricated panel 1, transverse direction Reinforcing bar 3 and overlapping layers 4, described prefabricated panel 1 include polylith, every piece of prefabricated panel 1 along its length on two sides it is equal Formed for inclined-plane 11, between contiguous prefabricated bottom plate 1 in wedge-shaped piece 2, wedge-shaped piece 2 on filling high-strength grout to prefabricated panel Longitudinal prestressing reinforcing bar 5 is arranged along its length inside surface 10, described prefabricated panel 1, arranges laterally divide in the width direction Cloth reinforcing bar 6, transversely distributed steelbar 6 is located at the top of longitudinal prestressing reinforcing bar 5, and the top of prefabricated panel 1 described in every piece is along length side To at least provided with one of steel truss 7, before top overlapping layers 4 is poured, along the width of prefabricated panel 1 below steel truss 7 Interspersed transverse steel 3, transverse steel 3 is located at the upper surface of prefabricated panel 1, polylith prefabricated panel 1 can link together, can The two-way overall power transmission of superimposed sheet is realized, the top of prefabricated panel 1 pours overlapping layers 4, the inside of overlapping layers 4 arrangement resistance hogging moment Overlapping layers transverse steel 8 and overlapping layers longitudinal reinforcement 9, described overlapping layers transverse steel 8 are fixed on the upper surface of steel truss 7, fold Conjunction layer longitudinal reinforcement 9 should avoid steel truss 7 and arrange, the overlapping layers transverse steel 8 and overlapping layers longitudinal reinforcement 9 in overlapping layers 4 Diameter and spacing should determine that wherein overlapping layers longitudinal reinforcement 9 is contemplated that the favourable of the steel plate that winds up of steel truss 7 according to design requirement The effect reduction area of reinforcement.
Described steel truss 7 includes wind up together steel plate 12, two lower edge reinforcing bars 13 and two web member bending reinforcing steel bars 14, institute The web member bending reinforcing steel bar 14 stated is bent for waveform, and the upper inflection point 15 of every web member bending reinforcing steel bar 14 is welded with the steel plate 12 that winds up Connect, lower inflection point 16 is welded with lower edge reinforcing bar 13, described winds up steel plate 12 outside prefabricated panel 1, lower edge reinforcing bar 13 In prefabricated panel 1, it is fixed on the transversely distributed steelbar 6 inside prefabricated panel 1, the described steel plate 12 that winds up is higher than prefabricated The upper surface of bottom plate 1, and less than the height of overlapping layers 4, the steel plate 12 that winds up that overlapping layers longitudinal reinforcement 9 should avoid steel truss 7 is arranged.Steel The quantity of truss 7 can require to determine, it is necessary to which explanation is multiple tracks steel truss 7 according to the span of prefabricated panel 1, width and design and construction The rigidity of prefabricated panel 1 can be increased, bottom temporary support is reduced or avoided, increase is applicable span, improves speed of application.
Every piece of top of prefabricated panel 1 sets two road steel truss 7 compared to one of steel truss 7 of setting, prefabricated bottom along its length The out of plane stiffness of plate 1 is greatly increased, and can be applied to the situation compared with large span (more than 6m).
The bending angle of described web member bending reinforcing steel bar 14 is 30 degree~60 degree.
The lower edge reinforcing bar 13 of described steel truss 7 passes through colligation or the cross direction profiles being weldingly fixed on inside prefabricated panel 1 The top of reinforcing bar 6.
Longitudinal prestressing reinforcing bar 5 is equally spaced along its length inside prefabricated panel 1 described in every piece, in the width direction Transversely distributed steelbar 6 is equally spaced, described longitudinal prestressing reinforcing bar 5 is using 1570 grades of ΦH4.8 eliminate stress helix rib steel Silk, transversely distributed steelbar 6 uses Φb4 cold-drawn low-carbon wires, the spacing of longitudinal prestressing reinforcing bar 5 is according to design and construction condition It is required that determining, and 80mm~250mm detailing requiments should be met, the spacing of transversely distributed steelbar 6 is 250mm.
The strength grade of concrete of described prefabricated panel 1 is C40, the strength grade of concrete of overlapping layers 4 for C30 or C40;The length of prefabricated panel 1 is 1200mm~7200mm, and width is 600mm~1200mm, and thickness is 50~70mm, specific chi Very little requirement should be determined according to use and design requirement.
Described distance of the outside of longitudinal prestressing reinforcing bar 5 away from the lower edge of prefabricated panel 1 is 25mm, and projecting end length is 150mm.Longitudinal prestressing reinforcing bar can not stretch out the end face of prefabricated panel 1 according to requirement of engineering yet, but should take additional bar dowel Construction measure strengthen the connection of prefabricated panel 1 end.
Described prefabricated panel upper surface 10 is naturally thick for concavo-convex specification roughness requirements of the depth not less than 4mm of satisfaction Matte or impression mat surface.
A kind of preparation method of the prestressed concrete overlapped slab with steel truss, comprises the following steps:
(1) steel mold is made according to the dimensions of prefabricated panel 1 and fixed, steel mold, which reserves stomidium, is used for interspersed indulge To deformed bar 5;
(2) longitudinal prestressing reinforcing bar 5 is put into mould and carries out tensioning;
(3) transversely distributed steelbar 6 and steel truss 7 of prefabricated panel 1 are fixed in colligation successively;
(4) toward casting concrete in steel mold and maintenance of vibrating, upper surface retains nature mat surface or to be processed into impression thick Matte, when the concrete crushing strength poured reaches the 75% of design compressive strength standard value, loosens longitudinal prestressing reinforcing bar 5, after the concrete crushing strength poured reaches the 100% of design load, lifting can be stripped;
(5) prefabricated panel 1 is lifted in place, considers whether to need to set up temporary support as needed;
(6) the wedge-shaped piece 2 between contiguous prefabricated bottom plate 1, packed height to prefabricated panel 1 are filled using high-strength grout Upper surface;
(7) the interspersed equipment installation in the lower section of steel truss 7 and transverse steel 3;
(8) the overlapping layers transverse steel 8 and overlapping layers longitudinal reinforcement 9 inside colligation overlapping layers 4;
(9) concrete of overlapping layers 4 is poured to design thickness.
Illustrative embodiments listed above are only not to described by the utility model for understanding that the utility model is used The restriction of technical scheme, about the those of ordinary skill in field, on the basis of technical scheme described in claim, can also make Go out a variety of changes or deformation, all equivalent changes or deformation should all cover claims of the present utility model it It is interior.Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.

Claims (8)

1. a kind of prestressed concrete overlapped slab with steel truss, it is characterized in that:Including prefabricated panel, transverse steel and overlapping Layer, described prefabricated panel includes polylith, every piece of prefabricated panel along its length on two sides be inclined-plane, it is contiguous prefabricated Formed between bottom plate and high-strength grout is filled in wedge-shaped piece, wedge-shaped piece to prefabricated panel upper surface, described prefabricated panel It is internal to arrange longitudinal prestressing reinforcing bar along its length, transversely distributed steelbar is arranged in the width direction, and transversely distributed steelbar is located at Above longitudinal prestressing reinforcing bar, the prefabricated panel top described in every piece is described along its length at least provided with one of steel truss Intert transverse steel along prefabricated panel width below steel truss, transverse steel is located at the upper surface of prefabricated panel, can be by Polylith prefabricated panel links together, pour above prefabricated panel inside overlapping layers, overlapping layers arrangement overlapping layers transverse steel and Overlapping layers longitudinal reinforcement, described overlapping layers transverse steel is fixed on steel truss upper surface, and overlapping layers longitudinal reinforcement should avoid steel Truss arrangement.
2. a kind of prestressed concrete overlapped slab with steel truss according to claim 1, it is characterized in that:Described steel truss Frame includes wind up together steel plate, two lower edge reinforcing bars and two web member bending reinforcing steel bars, and described web member bending reinforcing steel bar is waveform Bending, the upper inflection point of every web member bending reinforcing steel bar with steel plate welding of winding up, lower inflection point with lower edge reinforcement welding, it is described Wind up steel plate outside the prefabricated panel, lower edge reinforcing bar is located in prefabricated panel, the transverse direction being fixed on inside prefabricated panel point On cloth reinforcing bar, the described steel plate that winds up is less than overlapping layer height higher than prefabricated panel upper surface.
3. a kind of prestressed concrete overlapped slab with steel truss according to claim 2, it is characterized in that:Described web member The bending angle of bending reinforcing steel bar is 30 degree~60 degree.
4. a kind of prestressed concrete overlapped slab with steel truss according to claim 2, it is characterized in that:Described steel truss The lower edge reinforcing bar of frame passes through colligation or the transversely distributed steelbar being weldingly fixed on inside prefabricated panel top.
5. a kind of prestressed concrete overlapped slab with steel truss according to claim 1, it is characterized in that:Described in every piece Longitudinal prestressing reinforcing bar is equally spaced inside prefabricated panel along its length, cross direction profiles steel is equally spaced in the width direction Muscle, described longitudinal prestressing reinforcing bar is using 1570 grades of ΦH4.8 eliminate stress helix rib steel wire, and transversely distributed steelbar uses Φb4 Cold-drawn low-carbon wire, the spacing of longitudinal prestressing reinforcing bar requires to determine according to design and construction condition, and should meet 80mm~ 250mm detailing requiments, the spacing of transversely distributed steelbar is 250mm.
6. a kind of prestressed concrete overlapped slab with steel truss according to claim 1, it is characterized in that:Described is prefabricated The strength grade of concrete of bottom plate is C40, and the strength grade of concrete of overlapping layers is C30 or C40;The length of prefabricated panel is 1200mm~7200mm, width is 600mm~1200mm, and thickness is 50~70mm.
7. a kind of prestressed concrete overlapped slab with steel truss according to claim 6, it is characterized in that:Described longitudinal direction The distance away from prefabricated panel lower edge is 25mm on the outside of deformed bar, and projecting end length is 150mm, longitudinal prestressing reinforcing bar Also the end face of prefabricated panel can not be stretched out, but the construction of additional bar dowel should be taken to strengthen the connection of prefabricated panel end.
8. a kind of prestressed concrete overlapped slab with steel truss according to claim 1, it is characterized in that:Described is prefabricated Plate upper surface is not less than the natural mat surface or impression mat surface of 4mm specification roughness requirements for the concavo-convex depth of satisfaction.
CN201621491669.6U 2016-12-30 2016-12-30 A kind of prestressed concrete overlapped slab with steel truss Expired - Fee Related CN206352357U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703269A (en) * 2016-12-30 2017-05-24 山东省建筑科学研究院 Prestressed concrete superimposed sheet with steel trusses and manufacturing method
CN108104346A (en) * 2017-12-20 2018-06-01 湖南航凯建材技术发展有限公司 A kind of concrete folding plate
CN110258927A (en) * 2019-06-05 2019-09-20 浙江绿筑集成科技有限公司 A kind of production method of orthogonal bar frame superimposed sheet
CN113684942A (en) * 2021-09-07 2021-11-23 荣华建设集团有限公司 Cu-Al-Mn shape memory alloy shock absorption energy absorber for civil construction and manufacturing method
CN114319675A (en) * 2022-02-23 2022-04-12 中建八局第二建设有限公司 Support-free prefabricated one-way laminated slab with limiting device and construction method
CN117489022A (en) * 2023-12-18 2024-02-02 南通装配式建筑与智能结构研究院 Light-weight beam plate integrated prefabricated unit plate and installation method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703269A (en) * 2016-12-30 2017-05-24 山东省建筑科学研究院 Prestressed concrete superimposed sheet with steel trusses and manufacturing method
CN108104346A (en) * 2017-12-20 2018-06-01 湖南航凯建材技术发展有限公司 A kind of concrete folding plate
CN110258927A (en) * 2019-06-05 2019-09-20 浙江绿筑集成科技有限公司 A kind of production method of orthogonal bar frame superimposed sheet
CN113684942A (en) * 2021-09-07 2021-11-23 荣华建设集团有限公司 Cu-Al-Mn shape memory alloy shock absorption energy absorber for civil construction and manufacturing method
CN114319675A (en) * 2022-02-23 2022-04-12 中建八局第二建设有限公司 Support-free prefabricated one-way laminated slab with limiting device and construction method
CN117489022A (en) * 2023-12-18 2024-02-02 南通装配式建筑与智能结构研究院 Light-weight beam plate integrated prefabricated unit plate and installation method

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