CN100503996C - Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node - Google Patents
Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node Download PDFInfo
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- CN100503996C CN100503996C CNB2007102002887A CN200710200288A CN100503996C CN 100503996 C CN100503996 C CN 100503996C CN B2007102002887 A CNB2007102002887 A CN B2007102002887A CN 200710200288 A CN200710200288 A CN 200710200288A CN 100503996 C CN100503996 C CN 100503996C
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Abstract
The invention is a profiled steel pillar top constraint node for profiled bar concrete framework steel support structure, interconnecting in-beam profiled steel, in-pillar profiled steel, pillar main bar, steel support, in-pillar concrete, and in-beam concrete and pouring them into an organic whole, where the tops of the in-pillar profiled steel and the pillar main bar are welded with a constraint anchoring steel plate, the middle of the steel plate is made with vibrating hole and welding hole, the sides of the steel plate are made with plug welding holes, the pillar main bar is welded with the steel plate at the plug welding lines, and the in-pillar profiled steel is welded with the steel plate at the welding line holes. And it improves the integrity of profiled steel pillar top nodes, on the one hand saving the utilization of anchoring reinforcing bars and on the other hand convenient to construction, raising constructing efficiency and saving labor and time.
Description
(1) technical field
The present invention relates to the shock-resistant node structure in a kind of reinforced concrete composite structure.
(2) background technology
The National Indoor Stadium is one of 2008 Beijing Olympic Games three big main venues, will mainly carry out gymnastics competition, handball finals during the course of the Olympic Games, and the wheelchair basketball match is carried out in Paralympic Games.Its building is made up of building for competition, warm up hall, and building for competition can hold about 1.9 ten thousand people of spectators, overall floorage 80890m
2, four layers of B1, grounds.The vertically long 195.5m of roof system plane projection, horizontal wide 114m.In this complex space structural system, the connected node of longspan structure and sub-body structure and the design of adjacent area thereof are extremely crucial and important, and this node is a supporting large span space roof structure and a significant points transmitting geological process power.Because roof system superelevation, super wide, super large, substructure need bear very big geological process power and need satisfy the needs of the special operation condition of aerial accumulation slippage, therefore if adopt traditional concrete structural system just can not satisfy the demand.
Reinforced concrete composite structure (Steel Reinforced Concrete Composite Structure is called for short the SRC structure) is a kind of principal mode of steel and concrete combined structure.The characteristics of steel reinforced concrete structure are to dispose shaped steel in concrete, and can be furnished with certain steel bar stress and distributing bar.
In traditional reinforced concrete composite structure, steel column and section steel beam top node do not have the constraint anchor plate, for steel reinforced concrete frame-steel support structure system, as capital reinforcing bar anchorage style according to routine, because section steel beam and steel supporting section have occupied the big quantity space at node place, steel column master muscle can not resemble possesses bending and anchoring space the pure concrete frame beam column node.Steel column master muscle is anchored in the capital section steel beam after the capital bending, shaped steel in steel column reinforcing bar and the beam and reinforcing bar are particularly thorny on space hold, shaped steel in shaped steel, the post, steel support with post master muscle and beam main tendon and intert mutually in crowded column section space in the beam, make that the construction of steel column master muscle is very difficult, post master muscle can not get anchoring preferably, the globality of steel column top node is not strong, reinforcing bar is tied poor, not only influence the stress performance and the safety in utilization of node area, and wasted manpower and materials; On the other hand, traditional steel column top node is not suitable for being connected with the bearing of large-span steel roof system, because the large-span steel roof system is under geological process, produce very big horizontal force, there are stressed weakness zone in shaped steel in shaped steel, the post in the beam, the position of joints that supports with steel, form thin neck in the section between shaped steel capital and the shaped steel back, stressed very unfavorable to the large-span steel roof system.
(3) summary of the invention
The objective of the invention is to design a kind of steel reinforced concrete frame-steel supporting structure type steel column preconstraint node, reliable, the safe problem that is connected between the bearing that solves the large span space roof structure and the shaped steel capital; Solve simultaneously capital node place reinforcing bar intensive, intert too much, the problem of reinforcing bar and shaped steel space contradiction strained relations, reinforcing bar anchoring difficulty.
The object of the present invention is achieved like this: the shaped steel capital restraint joint of this steel reinforced concrete frame-steel support structure, by shaped steel in the beam, shaped steel in the post, post master muscle, steel supports, concrete in the post, concrete handing-over and pouring into an integrated entity in the beam, it is characterized in that: a constraint of the welded top anchor plate of shaped steel and post master muscle in post, the middle part of constraint anchor plate 7 has the hole of vibrating, form the sealing wire hole with the welding of column type steel, limit portion at the constraint anchor plate has the plug welding hole, post master muscle welds at place, plug welding hole with the constraint anchor plate, and shaped steel and constraint anchor plate are in the welding of place, sealing wire hole in the post.
Above-mentioned post master muscle be centered around shaped steel in the post around.
Shaped steel can be king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate in the above-mentioned post.
Can be connected with peg on the shaped steel in the above-mentioned post.
Shaped steel can be king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate in the above-mentioned beam.
Can be connected with peg on the shaped steel in the above-mentioned beam.
Shaped steel can be uniform section section steel beam or variable cross-section section steel beam in node area in the above-mentioned beam, and the variable cross-section section steel beam is widened at the node area flange of beam, is connected by connecting plate with the uniform section section steel beam.
It can be king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate that above-mentioned steel supports.
Above-mentioned steel can be connected with peg on supporting.
Above-mentioned steel supports can connect splay quadrature crossover sub in node area, and the microcephaly of splayed quadrature crossover sub connects steel and supports shaped steel in the big first end tie-beam, shaped steel in the other end joint pin.
The present invention compares with existing conventional art has following characteristics and beneficial effect:
(1), the most of post master of the present invention muscle is by the constraint anchor plate of plug welding anchor connection in the steel column top.Improved the globality of steel column top node greatly, the bearing of large-span steel roof system is connected reliable and secure with shaped steel capital constraint anchor plate, reinforcing bar becomes the dowel of anchor slab automatically, and the shaped steel of steel column and reinforcing bar can fully guarantee the quality and the precision of constructing tightly in conjunction with as a whole.
(2), utilize post master muscle directly as the anchor bar of constraint anchor plate, saved the consumption of anchor bar on the one hand, be convenient to construction on the other hand, improved efficiency of construction, saving of work and time.
(3), the present invention has simplified the reinforcing bar of capital complex node in steel reinforced concrete frame-steel support system and the spatial relationship between the shaped steel.By capital constraint anchor plate is set, steel column master muscle can bend and directly be anchored on the capital anchor plate.Mutual constraint in capital steel plate, profile steel concrete column master's muscle, the type concrete column between the concrete is tightr, and the globality and the cooperative bearing of steel column cross section capital section are more reasonable.
(4), capital constraint anchor plate integrates multiple function, to steel column, it is the constraint anchor plate; To the steel roof system, it is again good embedded part; To steel column reinforcing bar and concrete, it is whole constraint; When the steel roof system in work progress, it is again the basis of sliding rail.The present invention is stressed rationally to the large-span steel roof system of capital, can be connected with the large-span steel roof system safely and reliably by bearing.Shaped steel in the structure, constraint anchor plate, reinforcing bar, concrete four make reinforced concrete composite structure possess advantages such as bearing capacity is big, rigidity is big, anti-seismic performance is good for working integratedly.
Practical application effect: the National Indoor Stadium has adopted steel reinforced concrete frame-steel to support the combination construction system, is mainly formed by the steel reinforced concrete frame and the steel support combinations of arranging according to the stressed needs of structure space.This system is different from steel frame-support system, also is different from concrete frame-steel support system.National Indoor Stadium steel reinforced concrete frame-steel support system and top large-span steel structural system of roof are two main ingredients.The steel roof system is connected at capital by 78 steel columns in 78 bearings and bottom, and the stressed and mode of texturing that connects bearing is determined by the simulation of whole FEM (finite element) model.Steel column is single post, and column type steel cross section is mainly king's font, and beam shaped steel cross section is the H type.The bearing of large-span steel roof structure has adopted the form that direction is slided outside the colonnade direction is fixed on the colonnade plane according to the characteristics of bottom profile steel concrete column, wherein the slide displacement value the most about ± 120mm, maximum shear is 2378 (KN).The design considerations of steel column top node the concrete condition of this engineering considered the interaction effect and the directionality of steel column and steel roof system.Totally 437 of girder with rolled steel section en cased in concrete.Intercolumniation supports rotation angle position and the capital that mainly is arranged in venue, totally 278 groups.Its top node is the hinge of getting in touch of steel reinforced concrete frame structure and top large-span steel roof structure.
By capital constraint anchor plate is set, simplified steel reinforced concrete frame-reinforcing bar of steel support system capital complex node and the spatial relationship between the shaped steel, steel column master muscle can bend on the constraint anchor plate that directly is anchored in capital.Mutual constraint in capital constraint anchor plate, profile steel concrete column master's muscle, the type concrete column between the concrete is tightr, the globality and the cooperative bearing of steel column cross section capital section are more reasonable, and the compatibility of deformation problem between the system, the border issue of system, the INTERACTION PROBLEMS between the system, the energy transmission between the system and consumption problem etc. are all solved by bearing and constraint anchor plate or reinforcing bar.By design of the present invention, the steel reinforced concrete frame-application problem of steel support structure system in containing large-span space structure obtained comparatively desirable solution, applicable to the steel reinforced concrete frame structural system of large-span space structure combination.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of another angle of the embodiment of the invention;
Fig. 3 is the structural representation behind the embodiment of the invention part fluid concrete.
Among the figure: concrete, 13-quadrature crossover sub, 14-connecting plate in concrete, the 12-beam in shaped steel, the 11-post in shaped steel, the support of 3-steel, the 4-hole of vibrating, 5-plug welding hole, 6-sealing wire hole, 7-constraint anchor plate, 8-node area flange of beam, 9-peg, the 10-post in 1-post master muscle, the 2-beam.
(5) specific embodiment
Embodiment is referring to shown in Fig. 1-3, and this steel reinforced concrete frame-steel supporting structure type steel column preconstraint node is medium-sized by beam
Shaped steel 10 in steel 2, the post, post master muscle 1, steel support 3, concrete 12 handing-over and pouring into an integrated entity in concrete 11, the beam in the post, it is characterized in that: a constraint of the welded top anchor plate 7 of shaped steel 10 and post master muscle 1 in post, the middle part of constraint anchor plate 7 has vibrate hole 4 and sealing wire hole 6, and and shaped steel form sealing wire in factory welding, limit portion at constraint anchor plate 7 has plug welding hole 5, post master muscle 1 welds at 5 places, plug welding hole with constraint anchor plate 7, and shaped steel 10 and constraint anchor plate 7 are in the welding of place, sealing wire hole in the post.Above-mentioned post master muscle 1 be centered around shaped steel 10 in the post around.
Shaped steel 10 can be selected king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate according to requirement of engineering in the post, and the adhesion for concrete 12 in shaped steel 2 and the post in the increase post can be connected with peg 9 on the shaped steel 10 in the post.
Shaped steel 2 can be selected king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate in the beam, and the adhesion for concrete 12 in shaped steel 2 and the beam in the increase beam can be connected with peg 9 on the shaped steel 2 in the beam.
Shaped steel 2 can be uniform section section steel beam or variable cross-section section steel beam in node area in the beam, and the variable cross-section section steel beam is widened at node area flange of beam 8, is connected by connecting plate 14 with the uniform section section steel beam.
Steel supports 3 also can select king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate, and steel supports on 3 also can be connected with peg 9.
For increasing the intensity that this node steel supports, steel supports 3 and connects splay quadrature crossover sub 13 in node area, and the microcephaly of splayed quadrature crossover sub 13 connects steel and supports 3, shaped steel 2 in the big first end tie-beam, and shaped steel 10 in the other end joint pin.
Concrete technical data of the present invention can be determined according to the stressed of large-span steel roof structure pedestal configurations, bearing and distortion, the inherent characteristics in and steel reinforced concrete frame-steel support system cross section.Shaped steel 10 in shaped steel 2, the post, steel support 3 and can consider stressed reasonability according to member section size, loading characteristic in the beam, select the width and the thickness of each plate of welding shaped steel neatly.These shaped steel can be rolling also can welding.
Claims (10)
- [claim 1] a kind of steel reinforced concrete frame-steel supporting structure type steel column preconstraint node, by shaped steel in the beam, shaped steel in the post, post master muscle, steel supports, concrete in the post, concrete handing-over and pouring into an integrated entity in the beam, it is characterized in that: a constraint of the welded top anchor plate of shaped steel and post master muscle in post, the middle part of constraint anchor plate has the hole of vibrating, form the sealing wire hole with the welding of column type steel, limit portion at the constraint anchor plate has the plug welding hole, post master muscle welds at place, plug welding hole with the constraint anchor plate, and shaped steel and constraint anchor plate are in the welding of place, sealing wire hole in the post.
- [claim 2] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 1 is characterized in that: above-mentioned post master muscle be centered around shaped steel in the post around.
- [claim 3] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 1 and 2 is characterized in that: shaped steel is king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate in the above-mentioned post.
- [claim 4] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 3 is characterized in that: be connected with peg on the shaped steel in the above-mentioned post.
- [claim 5] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 1 and 2 is characterized in that: shaped steel is king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate in the above-mentioned beam.
- [claim 6] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 5 is characterized in that: be connected with peg on the shaped steel in the above-mentioned beam.
- [claim 7] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 6, it is characterized in that: shaped steel is uniform section section steel beam or variable cross-section section steel beam in node area in the above-mentioned beam, the variable cross-section section steel beam is widened at the node area flange of beam, is connected by connecting plate with the uniform section section steel beam.
- [claim 8] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 1 is characterized in that: it is king's Zee bar steel Z, i iron, C shape steel, channel-section steel, H shape steel or steel plate that above-mentioned steel supports.
- [claim 9] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 1 and 2 is characterized in that: above-mentioned steel is connected with peg on supporting.
- [claim 10] steel reinforced concrete frame-steel supporting structure type steel column preconstraint node according to claim 9, it is characterized in that: above-mentioned steel is supported on node area and connects splay quadrature crossover sub, the microcephaly of splayed quadrature crossover sub connects steel and supports, shaped steel in the big first end tie-beam, shaped steel in the other end joint pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007102002887A CN100503996C (en) | 2007-03-16 | 2007-03-16 | Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node |
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| CNB2007102002887A CN100503996C (en) | 2007-03-16 | 2007-03-16 | Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node |
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| CN100503996C true CN100503996C (en) | 2009-06-24 |
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| CN101525904B (en) * | 2009-04-01 | 2010-12-29 | 天津大学 | Square steel tube concrete combined special-shaped column sleeve beam column node and manufacturing method |
| CN101922183A (en) * | 2010-04-13 | 2010-12-22 | 河南奥斯派克科技有限公司 | Standardized node connector of steel structure |
| CN102061748B (en) * | 2010-11-30 | 2012-05-02 | 哈尔滨工业大学 | High-strength concrete facade cross node constrained by steel mould containing steel reinforcement framework |
| CN102031750B (en) * | 2010-12-04 | 2012-04-18 | 江苏省交通科学研究院股份有限公司 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
| CN102251585B (en) * | 2011-05-05 | 2013-05-29 | 杨东佐 | Eave connecting part, building framework structure and mounting method |
| CN103362214B (en) * | 2012-04-11 | 2016-09-14 | 孙善骏 | The packaging combined building of opening structure |
| CN103374976B (en) * | 2012-04-12 | 2017-03-08 | 孙善骏 | Unit combination with open structure |
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| CN103104039B (en) * | 2013-03-08 | 2015-07-22 | 郑州大学 | Assembled framework beam-column joint adopting cover plate connection and construction method thereof |
| CN207160238U (en) * | 2017-02-24 | 2018-03-30 | 新世界中国地产有限公司 | Prefabricated construction system |
| CN109944333A (en) * | 2019-03-19 | 2019-06-28 | 北京城建集团有限责任公司 | A kind of connection structure and its construction method of oblique reinforced concrete column and oblique steel frame beam |
| CN114105016B (en) * | 2021-11-19 | 2023-06-16 | 徐州建机工程机械有限公司 | Brace rod combined type lower support |
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Address after: 100037 Beijing, Fuchengmen, North Street, No. 5, No. Patentee after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED Patentee after: BEIJING INSTITUTE OF ARCHITECTURAL DESIGN Address before: 100037 Beijing, Fuchengmen, North Street, No. 5, No. Patentee before: Beijing Urban Establishing Design & Research Institute Co., Ltd. Patentee before: BEIJING INSTITUTE OF ARCHITECTURAL DESIGN |