CN101967855B - Wedge box rigid connection node of rectangular tubular column and H-shaped steel beam - Google Patents
Wedge box rigid connection node of rectangular tubular column and H-shaped steel beam Download PDFInfo
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- CN101967855B CN101967855B CN 201010298982 CN201010298982A CN101967855B CN 101967855 B CN101967855 B CN 101967855B CN 201010298982 CN201010298982 CN 201010298982 CN 201010298982 A CN201010298982 A CN 201010298982A CN 101967855 B CN101967855 B CN 101967855B
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Abstract
The invention discloses a wedge box rigid connection node of a rectangular tubular column and an H-shaped steel beam, which aims to solve the problems of inconvenient processing, great occupation space and the like in the prior art. The wedge box rigid connection node comprises the rectangular tubular column, the H-shaped steel beam and a bracket connecting piece, wherein the bracket connecting piece comprises an upper end plate, a lower end plate, a left vertical plate and a right vertical plate which are arranged in perpendicular to the central line of the rectangular tubular column; the long sides of the upper and lower end plates are respectively arranged on the side surface of the rectangular tubular column; and the short sides are respectively connected with an upper flange and a lower flange of the H-shaped steel beam. The structure overcomes the defects of inconvenience to add an internal partition to the welding box column and fail to add an internal partition to a rectangular tube or a rectangular tubular concrete column, avoids occupying excessive space outside the column, and has the advantages of convenient internal decoration, expanded application room and the like. The flange plates at the end parts of the H-shaped steel beam are amplified, and vertical ribbed plates are added to form a partial box structure, thus, the wedge box rigid connection node has the advantages of high bearing capacity and favorable earthquake-resistant property. The invention can be widely used in various building structures in which the rectangular tubular columns and H-shaped steel beam are connected, and is suitable for multistory frame building structures and public buildings with high requirements on space.
Description
Technical field
The present invention relates to a kind of construction steel structure, particularly rectangular string specifically comprises the welding box column, the wedge box-shaped rigid connection joint that is connected of rolling rectangular string and quarter bend concrete column and H shape girder steel.
Background technology
In recent years, especially after Wenchuan earthquake, the anti-seismic performance of China's steel house and the research and development of suitability for industrialized production thereof become a hot issue gradually, but the research of system of steel residential structure be applied in China and also be in the starting stage.
In system of steel residential structure, small bore box column and rectangular string, and the quarter bend concrete column is large because of its rigidity, two major axes orientation rigidity are identical or close, and steel using amount the advantage such as is more economized and is widely used.Therefore the frame application that is formed by connecting of rectangular string (welding box column, rolling rectangular string and quarter bend concrete column) and H shape girder steel is a kind of good selection in the normal domestic steel structure system.In rectangular string and H shape steel beam joint, the scheme of comparative maturity mainly contains internal partition formula and outreach board-like two kinds, below mainly from these two angles existing node mode is introduced.
For internal partition formula node, need to carry out inner welding, the welding difficulty, weldquality is not easy to guarantee, and the existence of internal partition can affect concrete.And this kind node need to carry out a large amount of weld jobs at the scene, and the efficient of work is low, and is with high content of technology, and cost is higher.
For outreaching gusset-type joint, because the size of outer annular-stiffer is larger, especially for the concrete filled steel tube residential structure, so because the interior interpolation of light pipe concrete column section is often less, this just brings inconvenience for architectural processing, and the dwelling house interior is also had larger impact.
Appication is extensive all the more.Compare with other form of structure, construction steel structure has remarkable anti-seismic performance, and earthquake is less in all previous earthquake, stands the test, and rare whole 30 and the phenomenon of collapsing.But in earthquake, local failure often can occur in steel work, and such as the U.S. on the 17th CaliforniaNorthridge earthquake January in 1997, wherein, the one of the main reasons that causes earthquake is that brittle fracture occurs at the bean column node place.So, with a very important position in integrally-built design of the Ductility Design of steel structure node, energy-dissipating property.
The basic principle of seismic design is " strong shear capacity and weak bending capacity, strong column and weak beam, the weak member of strong node ".Can find out from a side thus, for earthquake resistant structure, the reasonability of design of node structure is directly connected to the anti-seismic performance of total.Bean column node is the central hub of total power transmission, is " main joint " that total is played a role.Therefore, if can research and design go out a kind of stressed clear and definite rationally, simple structure, easy construction, superior, the economical and practical bean column node of anti-seismic performance, will make whole field of steel structure reach a new height.But also there are a lot of problems in bean column node at present.
Each typical node existing problem is as follows:
1, internal partition formula bean column node, this category node is only applicable to weld box column, to rolling rectangular string and inapplicable, need to carry out the inside welding, welding difficulty, weldquality are difficult for guaranteeing, and the dividing plate existence can affect concreting, simultaneously, because the node weld seam is more, cause near the steel plasticity of node weld seam to descend, fragility increases, affect further developing of structural plasticity, cost is high;
2, outreach board-like bean column node, the size of outer annular-stiffer is larger, especially in the concrete filled steel tube dwelling house since the concrete filled steel tube column section less, when the size of outer heavier-duty node ring flat-plate larger, make troubles often for architectural processing, interior has considerable influence to dwelling house.
Summary of the invention
In order to overcome defects, the object of the present invention is to provide a kind of technique simple, be convenient to process, reliability is higher, Fast Installation, short rectangular string and H shape girder steel wedge box-shaped rigid connection joint of construction period.
In order to achieve the above object, rectangular string of the present invention and H shape girder steel wedge box-shaped rigid connection joint, comprise rectangular string and the H shape girder steel that is connected with four sides of described rectangular string, described H shape girder steel is in length and breadth cross-like setting, be provided with the bracket connector between described rectangular string and the H shape girder steel, described bracket connector comprise with the vertically disposed upper head plate of described rectangular string center line and bottom plate and be arranged on described on, connect respectively between the bottom plate and be somebody's turn to do, the left side of the bottom plate left and right sides, right riser, described trapezoidal on, the long limit of bottom plate all is arranged on the described rectangular string side, and minor face connects respectively on the described H shape girder steel, the bottom flange.Described rectangular string is welding box column, rolling rectangular string or quarter bend concrete column.
Wherein, also comprise be arranged between the left and right riser in riser, described middle riser supports and is arranged on up and down between the end plate, and its inner is arranged on the rectangular string side, the outer end connects described H shape steel beam web plate,
Further, described upper and lower end plate all is trapezoidal, the long base of described trapezoidal upper and lower end plate all is arranged on the described rectangular string side, short base connects respectively the upper and lower edge of a wing of described H shape girder steel, described left and right riser be connected with the nearly both sides of described trapezoidal upper and lower end plate respectively and with vertical setting of described upper and lower end plate.
Further, described trapezoidal upper and lower end plate is isosceles trapezoid, and its side gradient is 1: 4-1: between 1.
Particularly, the length on described trapezoidal long base is between 125mm-500mm.
Wherein, the long base of described trapezoidal upper and lower end plate length is consistent with the described rectangular string lateral width that connects this long base, and short base is consistent with the upper and lower edge of a wing of the described H shape girder steel that connects this short base.
Further, described left and right riser is rectangular.
Particularly, weld respectively between the bottom flange and between the upper and lower end plate of bracket connector and the left and right riser on described bracket connector and described rectangular string side and the H shape girder steel, be bolted or weld between described middle riser outer end and the H shape steel beam web plate.
Above-mentioned structure, with respect to the inner welding in the many places of internal partition formula node and Site Welding operation, rectangular string and H shape girder steel wedge box-shaped rigid connection joint need not inner welding, have reduced the difficulty of welding.Owing to having cancelled internal partition, thereby the welding rectangular string can be converted to the quarter bend concrete column, reduced sectional dimension, increase utilizable space.In addition, for the external coupling type node, even adopt the smaller quarter bend concrete column in cross section, there is not the excessive problem of difference in size between outer shroud stiffener and the post yet, is convenient to architectural discipline for the processing of building with to the decoration of building interior etc.
Description of drawings
Fig. 1 is background technology internal partition formula nodal plane structural representation of the present invention.
Fig. 2 is along 1-1 direction sectional structure schematic diagram among Fig. 1.
Fig. 3 is background technology of the present invention China and foreign countries yoke plate formula nodal plane structural representations.
Fig. 4 is along 1-1 direction sectional structure schematic diagram among Fig. 3.
Fig. 5 is the main TV structure schematic diagram of specific embodiments of the invention.
Fig. 6 is the plan structure schematic diagram of Fig. 5.
The stress cloud atlas of Fig. 7 specific embodiments of the invention.
Fig. 8 internal partition formula node, outreach the hysteresis loop figure of gusset-type joint and rectangular string and H shape girder steel wedge box-shaped rigid connection joint.
The specific embodiment
The present invention is described in more detail below in conjunction with drawings and Examples.
Shown in Fig. 5-8, rectangular string of the present invention and H shape girder steel wedge box-shaped rigid connection joint, comprise rectangular string 1 and the H shape girder steel 2 that is connected with four sides of described rectangular string, described H shape girder steel is in length and breadth cross-like setting, be provided with bracket connector 3 between described rectangular string and the H shape girder steel, described bracket connector comprise with the vertically disposed upper head plate 31 of described rectangular string center line and bottom plate 32 and be arranged on described on, connect respectively between the bottom plate and be somebody's turn to do, the left side of the bottom plate left and right sides, right riser 33,34, further, a described left side, right riser is rectangular.Described upper, end plate 31,32 all is trapezoidal), the long base of described trapezoidal upper and lower end plate all is arranged on the described rectangular string side, and short base connects respectively the upper and lower edge of a wing 21 of described H shape girder steel, 22.Described rectangular string is welding box column, rolling rectangular string or quarter bend concrete column.
Wherein, also comprise and be arranged on middle riser 35 between the left and right riser, described middle riser supports and is arranged on up and down between the end plate, and its inner is arranged on the rectangular string side, the outer end connects described H shape steel beam web plate, described left and right riser be connected with the nearly both sides of described trapezoidal upper and lower end plate respectively and with vertical setting of described upper and lower end plate.Be connected by bolt 4 between the respectively welding between the bottom flange and between the upper and lower end plate of bracket connector and the left and right riser on described bracket connector and described rectangular string side and the H shape girder steel, described middle riser outer end and H shape steel beam web plate or weld.
Described trapezoidal upper and lower end plate is isosceles trapezoid, and its side gradient is 1: 4-1: between 1.The length on described trapezoidal long base is between 125mm-500mm.
Wherein, the long base of described trapezoidal upper and lower end plate length is consistent with the described rectangular string lateral width that connects this long base, and short base is consistent with the upper and lower edge of a wing of the described H shape girder steel that connects this short base.
Processing technology is: frange plate is widened the bracket connector of thickening about making, finish the welding of bracket connector and box column in factory, during on-the-spot the installation again after the splicing of the friction shape high-strength bolt by web or the welding with the welding of upper underbeam edge, form being rigidly connected of beam column (rectangular string).Like this, when satisfying strong column and weak beam, joint strengthening shockproof requirements, not only satisfied the requirement of suitability for industrialized production, guaranteed the weldquality of beam column junction, again because internal partition need not be set, made on-the-spot installation rate fast by force, the cripetura construction period.
This section adopts ANSYS to carry out finite element analysis about rectangular string and H shape girder steel wedge box-shaped rigid connection joint and traditional interior node every, external coupling type, comes the power consumption of three's internal force distribution, yield point and structure is compared by the result.
Can draw the following conclusions from above-mentioned stress cloud atlas: three kinds of node structures all can shift out node area with plastic hinge, all have preferably anti-seismic performance; Nodes domains to be cut regional stress larger, internal partition formula node is because the effect of dividing plate, stress distribution is more even, but clapboard stress is larger, and rectangular string is consistent with H shape girder steel wedge box-shaped rigid connection joint and external coupling type node, is the distribution of " apple " shape.
By the simulation to geological process, obtain the hysteresis loop of structure as shown in Figure 8,
The ultimate bending moment that can find out three kinds of form nodes is all very approaching.
To sum up draw the following conclusions, rectangular string and H shape girder steel wedge box-shaped rigid connection joint stress distribution are reasonable, satisfy the requirement of " the weak post of brutal ", and in the situation that yield limit does not obviously descend, structure more is simple and easy to weldering, deformability also promotes in the scope of allowing to some extent, is conducive to the antidetonation of structure.
Above-mentioned node structure is analyzed from the mechanical property aspect, and joints should be clearly reasonable, avoids the appearance of complicated applied force state; Beam-ends moment of flexure, Shear transfer should be fully reliable; The strong column and weak beam definite conception forces plastic hinge to form in the position of departing from the node root under the effect of macroseism, has good ductility and energy dissipation performance, thereby reaches the purpose of protection node; Aspect processing technology; The node critical piece can in factory's linearisation batch production, improve working (machining) efficiency; The processing of node plate should be simple process, both can adopt the techniques such as hot bending, welding to finish; The node main weld is avoided the clod wash angle, to avoid the brittle fracture of weld seam influence area; Consider the technique matching relationship of material and bent angle, with convenient processing; Non-standard fastener producer can produce; Node region cancellation dividing plate guarantees that pillar is elongated, need not man-hour to block adding; Aspect construction technology, the scene is avoided occurring facing upward, side weld, improves welding quality, reduces constructional difficulties; Joint structure should be simple, is convenient to like this transportation and architectural space and arranges; The cancellation dividing plate guarantees the free placing of on-site concrete, but the like this rigidity of Effective Raise pillar and bearing capacity; On-the-spot installation rate is fast, and beam column Site Welding quality is guaranteed, reaches the production of industrialization streamline and combines with on-the-spot rapid-assembling splicing, shortens the building operations duration.
In view of above-mentioned being convenient to interior trim, enlarging the advantage of free space of rectangular string and H shape girder steel wedge box-shaped rigid connection joint, this node can be widely used in the building structure of all kinds of rectangular string H shape girder steel, is particularly useful for multilayer frame housing structure and the public building higher to space requirement.
The present invention is not limited to above-mentioned embodiment, no matter do any variation in its shape or structure, every to utilize above-mentioned rectangular string and H shape girder steel wedge box-shaped rigid connection joint all be a kind of distortion of the present invention, all should think and drop within the protection domain of the present invention.
Claims (2)
1. a rectangular string and H shape girder steel wedge box-shaped rigid connection joint, comprise rectangular string and the H shape girder steel that is connected with four sides of described rectangular string, described H shape girder steel is in length and breadth cross-like setting, it is characterized in that, be provided with the bracket connector between described rectangular string and the H shape girder steel, described bracket connector comprise with the vertically disposed upper head plate of described rectangular string center line and bottom plate and be arranged on described on, connect respectively between the bottom plate and be somebody's turn to do, the rectangle of the bottom plate left and right sides is left, right riser, on described, it is trapezoidal that bottom plate all is, described trapezoidal on, the long base of bottom plate all is arranged on the described rectangular string side, short base connects respectively on the described H shape girder steel, the bottom flange, a described left side, right riser respectively with described trapezoidal on, the nearly both sides of bottom plate connect and with described on, bottom plate is vertical to arrange to form the variable cross-section box-shaped; Also comprise be arranged between the left and right riser in riser, described middle riser supports and is arranged on up and down between the end plate, and its inner is arranged on the rectangular string side, the outer end connects described H shape steel beam web plate; Described trapezoidal upper and lower end plate is isosceles trapezoid, and its side gradient is 1: 4-1: between 1; The length on described trapezoidal long base is between 125mm-500mm; The long base of described trapezoidal upper and lower end plate length is consistent with the described rectangular string lateral width that connects this long base, and short base is consistent with the upper and lower edge of a wing of the described H shape girder steel that connects this short base.
2. such as claim 1 rectangular string and H shape girder steel wedge box-shaped rigid connection joint, it is characterized in that, rectangular string is welding box column, rolling rectangular string or quarter bend concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010298982 CN101967855B (en) | 2010-09-29 | 2010-09-29 | Wedge box rigid connection node of rectangular tubular column and H-shaped steel beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010298982 CN101967855B (en) | 2010-09-29 | 2010-09-29 | Wedge box rigid connection node of rectangular tubular column and H-shaped steel beam |
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| CN101967855A CN101967855A (en) | 2011-02-09 |
| CN101967855B true CN101967855B (en) | 2013-01-23 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561530B (en) * | 2012-03-19 | 2013-11-27 | 天津大学 | Rectangular steel tube concrete column and steel beam all-bolt connecting joint |
| CN103046462B (en) * | 2012-11-26 | 2015-02-18 | 广东省建筑设计研究院 | Steel box component and steel box-concrete combined U-shaped girder composed of same |
| CN103015534A (en) * | 2012-12-14 | 2013-04-03 | 金天德 | Lateral connection node of concrete-filled rectangular steel tube column and steel beams |
| CN103343575B (en) * | 2013-06-25 | 2016-02-17 | 同济大学 | A kind of square steel tube post-H profile steel beam bolt syndeton |
| CN103343592B (en) * | 2013-07-24 | 2015-12-23 | 江苏沪宁钢机股份有限公司 | A kind of large-scale day font slab combination box column and preparation method thereof |
| CN103469902B (en) * | 2013-09-27 | 2016-03-09 | 中北大学 | Full rigid steel pipes concrete column connected node |
| CN104947796B (en) * | 2015-07-08 | 2017-07-11 | 无锡顺达智能自动化工程股份有限公司 | Adjustable type bracket structure |
| CN105442700A (en) * | 2015-12-28 | 2016-03-30 | 天津大学 | Partition plate run-through joint for connection of rectangular concrete-filled steel tube column and H-shaped steel beam |
| CN106065566A (en) * | 2016-07-26 | 2016-11-02 | 中冶建筑研究总院有限公司 | A kind of energy-dissipating and shock-absorbing pier stud |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252476A (en) * | 1998-06-03 | 2000-05-10 | 王志林 | Building component with steel structure |
| CN2391933Y (en) * | 1999-06-14 | 2000-08-16 | 王志林 | Steel joint for steel structure building |
| CN201901947U (en) * | 2010-09-29 | 2011-07-20 | 中冶建筑研究总院有限公司 | Wedge box-shaped rigid connection joint of rectangular string and H-shaped girder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4382590B2 (en) * | 2004-06-25 | 2009-12-16 | 岡部株式会社 | Method of joining steel column and steel beam, joining structure thereof and beam bracket for joining |
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- 2010-09-29 CN CN 201010298982 patent/CN101967855B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252476A (en) * | 1998-06-03 | 2000-05-10 | 王志林 | Building component with steel structure |
| CN2391933Y (en) * | 1999-06-14 | 2000-08-16 | 王志林 | Steel joint for steel structure building |
| CN201901947U (en) * | 2010-09-29 | 2011-07-20 | 中冶建筑研究总院有限公司 | Wedge box-shaped rigid connection joint of rectangular string and H-shaped girder |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-9437A 2006.01.12 |
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