CN102828560A - Flange joint structure of hinge pin for assembled cold forming sectional steel structural connection - Google Patents
Flange joint structure of hinge pin for assembled cold forming sectional steel structural connection Download PDFInfo
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- CN102828560A CN102828560A CN201210336603XA CN201210336603A CN102828560A CN 102828560 A CN102828560 A CN 102828560A CN 201210336603X A CN201210336603X A CN 201210336603XA CN 201210336603 A CN201210336603 A CN 201210336603A CN 102828560 A CN102828560 A CN 102828560A
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Abstract
本发明公开了属于结构工程钢结构技术领域的一种用于装配式冷弯型钢结构连接的销轴法兰节点结构。柱套管上下两端焊上套管法兰，桁架梁的上下两根弦杆焊于柱套管上，在两根弦杆之间焊接腹杆；上下两根柱管通过柱衬管在柱套管内插接，柱管与套管间的连接由螺栓将柱法兰和套管法兰紧固，由此构成销轴法兰节点结构。本发明梁柱连接的销轴法兰节点构造合理，刚度较大，具有较大的承载力富余，节点连接可靠，可以满足“强节点弱杆件”的设计要求。应用此种节点的装配式斜支撑冷弯型钢结构楼盖具有足够的承载力并能满足正常使用的要求。
The invention discloses a pin shaft flange node structure used for the connection of assembled cold-formed steel structures, which belongs to the technical field of structural engineering steel structures. The upper and lower ends of the column casing are welded with casing flanges, the upper and lower chords of the truss beam are welded to the column casing, and the web is welded between the two chords; The casing is plugged in, and the connection between the column pipe and the casing is fastened by bolts to the column flange and the casing flange, thus forming a pin flange joint structure. The pin shaft flange joints of the beam-column connection of the present invention have reasonable structure, high rigidity, large bearing capacity surplus, reliable joint connection, and can meet the design requirements of "strong joints and weak rods". The prefabricated obliquely supported cold-formed steel structure floor using this kind of joint has sufficient bearing capacity and can meet the requirements of normal use.
Description
Technical field
The present invention relates to Structural Engineering steel work technical field, particularly a kind of bearing pin flange node structure that is used for the connection of assembling cold-rolled forming section structure.
Technical background
Assembling cold-rolled forming section structural construction has advantages such as easy construction, mounting or dismounting convenience, environmental protection, meets the housing industrialization developing direction, helps the development and the implementation of sustainable development of China's low-carbon economy, has good comprehensive benefit.Wherein, the bean column node mechanical characteristic has considerable influence to the load-carrying properties of steel frame.The bean column node form that adopts in the assembling cold-rolled forming section structure at present mainly contains: welding and bolt weldering connect.It is bigger wherein to weld rigidity, is prone to take place brittle fracture, poor seismic behavior; And the bolt weldering connects the requirement that construction can not better be satisfied assembling cold-rolled forming section structure production industrialization, build assemblingization.
For giving full play to advantages such as assembling cold-rolled forming section structure construction cycle weak point, low-carbon environment-friendly, and guarantee that structure stress is reliable, anti-seismic performance is good, is necessary to invent a kind of novel joint and is applied to assembling cold-rolled forming section structure.To the research of beam column novel joint form with and in the application study of assembling cold-rolled forming section structure to the applying of assembling cold-rolled forming section structure so that the development of whole steel work industry has crucial meaning, be problem demanding prompt solution in scientific research and the engineering practice.
Summary of the invention
The objective of the invention is to satisfy standardization, production industrialization, build assemblingization and the good requirement of load-carrying properties, and propose a kind of bearing pin flange node structure that assembling cold-rolled forming section structure connects that is used for to assembling bearing diagonal cold-rolled forming section structural construction.It is characterized in that the column sleeve pipe is the two ends casing flange 2 of burn-oning about in the of 4, two chord members 8 up and down of girder truss are welded on the column sleeve pipe 4, chord member 8 and the column sleeve pipe 4 junctions stiffening rib 7 of burn-oning, and at welding web member 9 between two chord members 8 up and down; Two column jeckets 10 are pegged graft in column sleeve pipe 4 through post bushing pipe 11 up and down, and column jecket 10 is fastening with post flange 1 and casing flange 2 with being connected by bolt 12 of 4 of sleeve pipes, constitutes bearing pin flange node structure thus.
Said post flange be enclosed within on the column jecket and weld fixing, and the flange stiffener 6 of burn-oning in post flange 1 and column jecket 10 junctions
Said post flange is square square frame, and the overall structure of equidistant screw hole is arranged on four limits.
Said casing flange and post flange have same size and shape and structure, but are divided into 2 half or 4 half.
Each welded post shrouding 3 in said two column jeckets 10 up and down of in column sleeve pipe 4, pegging graft is about post bushing pipe 11 two ends fixed leg bushing pipe shroudings 5, post bushing pipe 11 are placed between the post shrouding 3 of two column jeckets 10; Be used to increase the weight bearing power that holds of column sleeve pipe 4.
The invention has the beneficial effects as follows because of bearing pin flange node structure of the present invention and have following characteristics:
1. advantages such as easy construction, mounting or dismounting be convenient; And because the girder truss distortion drives the column jecket distortion through sleeve pipe, flange in the node of this kind type of attachment, column jecket is pegged graft in sleeve pipe, therefore under geological process; When casing flange is connected inefficacy with the post flange bolt; Still can bear certain load, still have certain deformation ability and energy dissipation capacity, anti-earthquake ductility is better.
2. represent through the finite element method (fem) analysis result that the bearing pin flange joint structure that beam column connects is reasonable, rigidity is bigger, has bigger bearing capacity and has more than needed, and node connects reliable, can satisfy the designing requirement of " the weak rod member of strong node ".The assembling bearing diagonal cold-rolled forming section structure superstructure of using this kind node has enough bearing capacities and can satisfy the normal requirement of using.
Description of drawings
Fig. 1 is the floor map that bearing pin flange node of the present invention is used in assembly unit.
Fig. 2 is the Flange Plane figure of bearing pin flange node of the present invention, and wherein A figure is the post flange, and B figure is a casing flange.
Fig. 3 is the concrete constructional drawing of bearing pin flange node of the present invention.
Fig. 4 is the computation model figure that the present invention studies bearing pin flange joint behavior.
The specific embodiment
The present invention proposes a kind of bearing pin flange node structure that assembling cold-rolled forming section structure connects that is used for.Explain below in conjunction with accompanying drawing.
At Fig. 3 center pillar sleeve pipe two ends casing flange 2 of burn-oning about in the of 4, the last lower chord 8 of girder truss is welded on the column sleeve pipe 4, two chord members 8 and the column sleeve pipe 4 junctions stiffening rib 7 of burn-oning up and down, and at welding web member 9 between two chord members 8 up and down; The post flange be enclosed within on the column jecket and weld fixing, and the flange stiffener 6 of burn-oning in post flange 1 and column jecket 10 junctions; Each welded post shrouding 3 in two column jeckets 10 up and down; Post bushing pipe 11 two ends fixed leg bushing pipe shroudings 5; The said shaft flange of cutting is pegged graft in column sleeve pipe 4 through post flange 1 with two column jeckets 10 up and down; About being placed on, post bushing pipe 11 between the post shrouding 3 of two column jeckets 10, is used to increase the weight bearing power that holds of column sleeve pipe 4; Be connected by bolt 12 post flange 1 and casing flange 2 is fastening between column jecket and column sleeve pipe, constitute bearing pin flange node structure thus.
Splicing is as shown in Figure 1 between floor mainboard structure and mainboard.
Said post flange is square square frame, and the overall structure of equidistant screw hole is arranged on four limits.Said casing flange and post flange are of similar shape structure, but are divided into 2 half or 4 half, are convenient to the splicing between assembly unit, and as shown in Figure 2, wherein A figure is the post flange, and B figure is a casing flange.
The concrete making and the installation process of bearing pin flange node are following:
Its main design thought is that two chord members up and down with girder truss are welded on the column sleeve pipe; Girder truss, column sleeve pipe and the welding of other supporting rods form individual layer floor mainboard structure; Every individual layer superstructure mainboard structure is prefabricated in the factory, and floor assembly unit floor map is as shown in Figure 1; During construction, the square tube post is connected through flange with the column sleeve pipe, two column jeckets are pegged graft in sleeve pipe up and down, and joint structure is as shown in Figure 3.Simultaneously; Stress performance for clear and definite this kind novel joint; Pass through Finite Element Method; Bearing pin flange node and assembling cold-rolled forming section structure superstructure load-carrying properties and the self-vibration vibration shape frequency of using this kind special joint are analyzed, thereby drawn the influence of load-carrying properties and the bearing pin flange node of the assembling cold-rolled forming section structure superstructure of using this kind novel joint the superstructure load-carrying properties.
Mainboard structure and post assembling process are following: the half-covering tube height place post flange of burn-oning apart from the column jecket end, column jecket is connected through flange with sleeve pipe.The be connected to bolt-type of two column jeckets in sleeve pipe connects up and down; The post shrouding of promptly in the column jecket of styletable vicinity (about 10cm), burn-oning; The post bushing pipe is welded on the shrouding of lower prop, reserves certain interval between bushing pipe external diameter and column jecket internal diameter, and last column jecket is pegged graft through bushing pipe in sleeve pipe with following column jecket.Reserve certain interval between column jecket external diameter and column sleeve bore.The concrete structure of node is seen accompanying drawing 3.
Column sleeve pipe and bolt during flange between column is connected adopt 45#, 8.8 grades of friction-type high-strength bolts according to GB GB5783-2000 standard, M20, and the aperture is Φ 24, pretension is 12.5T.Pitch of bolts and bolt hole back gauge according to " Code for design of steel structures " (GB50017-2003) and the supporting capacity of node require to confirm post flange (seeing A figure among Fig. 2), and the plan view of casing flange (seeing B figure among Fig. 2).
Concrete size and the model such as the following table of the continuous member of bearing pin flange node of the present invention's design:
For verifying the load-carrying properties of the assembling cold-rolled forming section structure superstructure of using this kind novel joint, adopt finite element software ANSYS to carry out computational analysis.
In ANSYS, can adopt multiple dimensioned model or employing to have the simplification leverage model of node refined model result of calculation to the calculating of integral cover structure.But owing to the research for the large and complex structure load-carrying properties, if adopt multiple dimensioned model, unit and equation quantity are too much; It is big to find the solution cost, therefore, adopts the indirect method of prior art to set up; Because be prior art, just brief account computational process main points are promptly set up the bearing pin flange connected node model of design earlier; Get the constitutive relation of egress, again constitutive relation is applied to spring unit, in the superstructure block mold, use the spring unit analog node; Simplification leverage model with having the node constitutive relation calculates, and the node constitutive relation that FEM calculation is obtained is applied to the integral cover structure, and concrete grammar is following: promptly in FEM model; On beam, lower chord is set up with the post junction and is overlapped node, the degree of freedom of coupling except that two horizontal directions; Simulate the degree of freedom of two horizontal directions with spring unit, spring rate is got the node FEM model and is calculated the gained result.
Building cover structure is under the flooring vertical uniform load q, and girder truss is mainly bent, and the last lower chord of girder truss mainly receives the tension and compression effect; The girder truss distortion drives the column jecket distortion through sleeve pipe, flange, and beam column produces relative displacement at the node place, but because in the superstructure block mold; Girder truss inconvenience is with line unit equivalent simulation; Therefore, in the superstructure block mold, with being connected of drawing-pressing spring simulation girder truss chord member and post.
The value computational methods of drawing-pressing spring rigidity are following: because steel frame beam column joint distortion is node place beam and the mast axis change value during with respect to no load under certain load action; Therefore the girder truss chord member is applied a power; Calculate the node constitutive relation by following formula; Be applied to spring unit, draw spring rate.
K
t=F/（Δ
1-Δ
3） (1) K
c=F/（Δ
2-Δ
4） (2)
In the formula: the axle power that F applies for the chord member place; K
t, K
cBe respectively the drawing-pressing spring rigidity value in the limited element calculation model; Δ
1, Δ
2(shown in Fig. 4 mid point a, some b) is respectively the horizontal movement of upper and lower chord member of beam and column sleeve pipe connecting place, Δ
3, Δ
4Be respectively and put the horizontal movement of the column jecket of a, the same horizontal position of some b, Δ
1-Δ
3, Δ
2-Δ
4Be beam chord member and post relative displacement that beam-column connection (shown in Fig. 4 mid point c, some d) is located.
Claims (5)
1. one kind is used for the bearing pin flange node structure that assembling cold-rolled forming section structure connects; It is characterized in that; Column sleeve pipe (4) is the two ends casing flange (2) of burn-oning up and down; Two chord members (8) up and down of girder truss are welded on the column sleeve pipe (4), chord member (8) and column sleeve pipe (4) the junction stiffening rib (7) of burn-oning, and weld web member (9) up and down between two chord members (8); Two column jeckets (10) are pegged graft in column sleeve pipe (4) through post bushing pipe (11) up and down, and being connected by bolt (12) between column jecket (10) and sleeve pipe (4) is fastening with post flange (1) and casing flange (2), constitutes bearing pin flange node structure thus.
2. according to the said bearing pin flange node structure that is used for the connection of assembling cold-rolled forming section structure of claim 1; It is characterized in that; Said post flange be enclosed within on the column jecket and weld fixing, and the flange stiffener (6) of burn-oning in post flange (1) and column jecket (10) junction.
3. according to the said bearing pin flange node structure that is used for the connection of assembling cold-rolled forming section structure of claim 1, it is characterized in that said post flange is square square frame, the overall structure of equidistant screw hole is arranged on four limits.
4. according to the said bearing pin flange node structure that is used for the connection of assembling cold-rolled forming section structure of claim 1, it is characterized in that said casing flange and post flange have same size and shape and structure, but be divided into 2 half or 4 half.
5. according to the said bearing pin flange node structure that is used for the connection of assembling cold-rolled forming section structure of claim 1; It is characterized in that; Each welded post shrouding (3) in said two column jeckets (10) up and down of in column sleeve pipe (4), pegging graft; Post bushing pipe (11) two ends fixed leg bushing pipe shroudings (5), post bushing pipe (11) are placed between the post shrouding (3) of two column jeckets (10) up and down; Be used to increase the weight bearing power that holds of column sleeve pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336603.XA CN102828560B (en) | 2012-09-12 | 2012-09-12 | Flange joint structure of hinge pin for assembled cold forming sectional steel structural connection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336603.XA CN102828560B (en) | 2012-09-12 | 2012-09-12 | Flange joint structure of hinge pin for assembled cold forming sectional steel structural connection |
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| Publication Number | Publication Date |
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| CN102828560A true CN102828560A (en) | 2012-12-19 |
| CN102828560B CN102828560B (en) | 2014-11-26 |
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| CN201210336603.XA Expired - Fee Related CN102828560B (en) | 2012-09-12 | 2012-09-12 | Flange joint structure of hinge pin for assembled cold forming sectional steel structural connection |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015537A (en) * | 2012-12-26 | 2013-04-03 | 北京工业大学 | Beam-column joint connecting device of assembled steel structure system |
| CN104264794A (en) * | 2014-10-08 | 2015-01-07 | 东南大学 | Connection of cold-formed steel housing beam and concrete-filled square steel tubular column and connecting method of connection |
| CN104264792A (en) * | 2014-09-03 | 2015-01-07 | 西安建筑科技大学 | Beam column node of layered-assembly-type steel structure |
| CN104847019A (en) * | 2015-01-26 | 2015-08-19 | 祝磊 | Steel frame structure adopting flange connection |
| CN104912205A (en) * | 2015-05-13 | 2015-09-16 | 华南理工大学 | Position-adjustable buckling-restrained support pin shaft connecting node |
| CN109853744A (en) * | 2018-12-27 | 2019-06-07 | 安徽企服工程技术有限公司 | A kind of assembling type steel structure support body framework system and installation method |
| CN109972732A (en) * | 2019-03-08 | 2019-07-05 | 邢台职业技术学院 | A kind of building bearing structure |
| CN113565336A (en) * | 2021-07-31 | 2021-10-29 | 中冶(上海)钢结构科技有限公司 | Movable supporting tire frame column and using method thereof |
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| JP3849554B2 (en) * | 2002-03-18 | 2006-11-22 | 鹿島建設株式会社 | Beam-column joint structure |
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| CN201901946U (en) * | 2010-12-28 | 2011-07-20 | 上海市机械施工有限公司 | Temporary temperature expansion joint node for large-scale steel structure |
| CN202831237U (en) * | 2012-09-12 | 2013-03-27 | 清华大学 | Shaft flange joint structure for assembly-type cold rolled section steel structure connection |
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Patent Citations (5)
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| JP3849554B2 (en) * | 2002-03-18 | 2006-11-22 | 鹿島建設株式会社 | Beam-column joint structure |
| JP3891085B2 (en) * | 2002-09-25 | 2007-03-07 | 新日本製鐵株式会社 | Steel pipe column or steel pipe pile and beam joint structure and joining method |
| CN101982623A (en) * | 2010-10-22 | 2011-03-02 | 南京工业大学 | Reinforced Bolt Connection Joint between Rectangular Steel Tube Column and I-beam Inner Casing |
| CN201901946U (en) * | 2010-12-28 | 2011-07-20 | 上海市机械施工有限公司 | Temporary temperature expansion joint node for large-scale steel structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015537A (en) * | 2012-12-26 | 2013-04-03 | 北京工业大学 | Beam-column joint connecting device of assembled steel structure system |
| CN103015537B (en) * | 2012-12-26 | 2015-01-07 | 北京工业大学 | Beam-column joint connecting device of assembled steel structure system |
| CN104264792A (en) * | 2014-09-03 | 2015-01-07 | 西安建筑科技大学 | Beam column node of layered-assembly-type steel structure |
| CN104264792B (en) * | 2014-09-03 | 2017-03-29 | 西安建筑科技大学 | A kind of bean column node of layered assembling type steel structure |
| CN104264794A (en) * | 2014-10-08 | 2015-01-07 | 东南大学 | Connection of cold-formed steel housing beam and concrete-filled square steel tubular column and connecting method of connection |
| CN104847019A (en) * | 2015-01-26 | 2015-08-19 | 祝磊 | Steel frame structure adopting flange connection |
| CN104912205A (en) * | 2015-05-13 | 2015-09-16 | 华南理工大学 | Position-adjustable buckling-restrained support pin shaft connecting node |
| CN109853744A (en) * | 2018-12-27 | 2019-06-07 | 安徽企服工程技术有限公司 | A kind of assembling type steel structure support body framework system and installation method |
| CN109972732A (en) * | 2019-03-08 | 2019-07-05 | 邢台职业技术学院 | A kind of building bearing structure |
| CN113565336A (en) * | 2021-07-31 | 2021-10-29 | 中冶(上海)钢结构科技有限公司 | Movable supporting tire frame column and using method thereof |
| CN113565336B (en) * | 2021-07-31 | 2022-12-09 | 中冶(上海)钢结构科技有限公司 | Movable supporting tire frame column and using method thereof |
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| CN102828560B (en) | 2014-11-26 |
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