CN103882972A - Industrialized assembly type multi-storey and high-storey steel-structure tubular cross board self-resetting buckling-prevention eccentric bracing system - Google Patents
Industrialized assembly type multi-storey and high-storey steel-structure tubular cross board self-resetting buckling-prevention eccentric bracing system Download PDFInfo
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- CN103882972A CN103882972A CN201410146588.1A CN201410146588A CN103882972A CN 103882972 A CN103882972 A CN 103882972A CN 201410146588 A CN201410146588 A CN 201410146588A CN 103882972 A CN103882972 A CN 103882972A
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Abstract
The invention relates to an industrialized assembly type multi-storey and high-storey steel-structure tubular cross board self-resetting buckling-prevention eccentric bracing system which can be quickly installed. The system comprises a steel-structure body grillage, self-resetting bracing members and column systems. The steel-structure body grillage comprises base grillages and floors. Wide beams (3), narrow beams (4) and column bases (7) are assembled in a factory to form the base grillages. The base grillages and the floors are constructed into a whole. The wide beams and the narrow beams are respectively formed by welding channel steel in the factory. Pipelines pass through the position between web channel steel of the wide beams and the web channel steel of the narrow beams, so that the A base grillages, the B base grillage and the C base grillage are formed. High-strength bolt connection and partial welding are adopted for the junctions between the base grillages and the column bases and the junctions between the wide beams and the narrow beams. The column bases and columns are in flanged connection through high-strength bolts. The structural system has the advantages that the construction speed is high, structural bearing capacity is high, the anti-sidesway capacity is good, and no pollution is caused.
Description
Technical field
The present invention relates to a kind of new structure system, particularly a kind of industrialization assembling type steel structure eccentrical braces of building field application.
Background technology
The construction of common steel work is used welding at the scene in a large number, not only affecting speed of application but also construction quality is also difficult to control, the qualitative problems of construction causing due to Construction of Steel Structure quality occurring recent years is too numerous to enumerate, Site Welding is one of them important factor, Site Welding quality is wayward, and environment is caused to very large pollution.
Traditional reinforced concrete structure needs on-the-spot assembling reinforcement, fluid concrete, needs a large amount of artificial and curing times, and construction costs improves greatly.And when building demolition, cause a large amount of building wastes.
Recent years, domestic scholars only limits to multilayer to the research of assembling type steel structure, and just slightly minimizing of speed of application, does not really realize the Fast Installation of steel work, embodies the advantage of steel work.
Curvature-prevention support component is many as being applied to, lateral resisting energy-dissipating device in high-level structure; under middle shake or large shake effect; curvature-prevention support component all can be realized total cross-section and fully surrenders and do not occur that the entirety of supporting member or cripling destroy in the time drawing, press; make originally to change into and only on anti-buckling support component, concentrate power consumption by the power consumption mode of agent structure beam-ends plastic hinge, thereby protected preferably agent structure.But tradition is anti-buckling, to be supported on the permanent set producing under severe earthquake action still irrecoverable, and traditional anti-buckling support also has the problems such as machining accuracy control difficulty, wet trade workload that concrete peripheral constraint component (2-3) causes are large.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect of existing engineering, a kind of structural system of many, high-rise steel structure rapid construction is provided, this structural system can realization body steel work and the Fast Installation of Self-resetting supporting member, and can resist high-intensity earthquake, ideally embody the advantage of steel work.
In order to achieve the above object, the present invention adopts following technical scheme:
Industrialization assembling is many, the tubular cross plate self reset curvature-prevention of high-rise steel structure eccentrical braces comprises steel work main body grillage, Self-resetting supporting member, pillar system, it is characterized in that: described steel work main body grillage comprises basic grillage, floor.In factory, described wide beam, narrow beam, floor are made of one, wide beam and narrow beam are in factory and are welded by tubular veneer.Pipeline passes through between the tubular veneer of web of wide beam and narrow beam, thereby forms A basis grillage, B basis grillage and C basis grillage.At described foundation slab frame plate and described column base connecting portion, described wide beam and described narrow beam junction are with bolts and part welding (only limiting in factory).Between described column base and described pillar, adopt bolt to be connected by flange.
Described Self-resetting supporting member can be spring, and logical being enclosed within on support column of described spring is connected with junction plate.When horizontal force action is during in structure, described Self-resetting supporting member horizontal force component reduces even negative function in the horizontal force of structure, and making the relative storey displacement of structure is smaller value, meets the requirement of standard.
Beneficial effect
The present invention adopts the construction stage can realize quick assembled type the effective high-rise steel structure Self-resetting support system of the horizontal sidesway of opposing.This form of structure not only can effectively realize the industrialization of steel structure member processing and can greatly improve speed of application and significantly reduce steel using amount.
Find by engineering practice and the experiment of 1:10 vibroplatform, described new structure system has improved 500% than ordinary construction system speed of application, and steel using amount reduce by 50%, and realize job site " anhydrous, without fire, dustless ", the potential safety hazard that has reduced site operation, reduces environment pollution.
Accompanying drawing explanation
Fig. 1 structure mainboard of the present invention frame plan view
Fig. 2 structural entity grillage of the present invention constitutional diagram
Fig. 3 structural framing of the present invention supports figure
Fig. 4 structure A grillage of the present invention figure
Fig. 5 structure B grillage of the present invention figure
Fig. 6 structure B grillage of the present invention node 6 projection figure
Fig. 7 structure B grillage of the present invention node 5 projection figure
Fig. 8 structure C grillage of the present invention figure
Fig. 9 structure C grillage of the present invention node 8 groove figure
Figure 10 structure C grillage of the present invention node 7 groove figure
Figure 11 structure node 1 figure of the present invention
Figure 12 structure node 1 detail drawing of the present invention
Figure 13 invention structure node 2 figure
Figure 14 structure node 2 detail drawings of the present invention
Figure 15 structure node 3 figure of the present invention
Figure 16 structure node 3 detail drawings of the present invention
Figure 17 structure node 4 figure of the present invention
Figure 18 structure node 4 detail drawings of the present invention
Figure 19 structure node 5 figure of the present invention
Figure 20 structure node 5 detail drawings of the present invention
Figure 21 structure node 6 figure of the present invention
Figure 22 structure node 6 detail drawings of the present invention
Figure 23 structure node 7 figure of the present invention
Figure 24 structure node 7 detail drawings of the present invention
Figure 25 structure node 8 figure of the present invention
Figure 26 structure node 8 detail drawings of the present invention
Figure 27 structure column base of the present invention figure
Figure 28 structure column base of the present invention detail drawing
Figure 29 structure profiled sheet of the present invention figure
Figure 30 supporting member constructional drawing of the present invention
Figure 31 supporting member sectional drawing of the present invention
The inner energy consumption inner core figure of Figure 32 supporting member of the present invention
The outside steel pipe confining part of Figure 33 supporting member of the present invention figure
The outside steel pipe confining part of Figure 34 supporting member of the present invention sectional drawing
The outside steel pipe confining part of Figure 35 supporting member of the present invention sectional view
Wherein, 1-main body grillage; 2-Self-resetting supporting member; 2-1: tubular cross plate assembling type steel structure self reset curvature-prevention supports; 2-2: inner cross energy-consumption inner core; 2-3: outside steel pipe confining part; 2-4: spring; 2-5: upper junction plate; 2-6: lower connecting plate; 2-8: dividing plate; 2-9: outside steel pipe; 2-10: upper lower connecting plate stiffening rib; 2-11: support column; 2-12: junction plate; 2-13: stripper plate; 3-wide beam; The narrow beam of 4-; 5-profiled sheet; 6-concrete; 7-column base; 7-1: column base connector; 7-2: stub; 7-3: column base flange; 8-pillar; 9-otic placode; 10-connects tubular veneer; 11-1 post cover plate I; 11-2 cover plate II; 11-3 post cover plate III; 11-4 cover plate IV; 11-5 post cover plate V; 12-stiffener; 14-section shrouding; 15-floor; 16-pillar system.
The specific embodiment
Illustrate the implementation of described structural system below in conjunction with accompanying drawing.
As shown in the figure, the present invention is that a kind of industrialization assembling is many, the tubular cross plate self reset curvature-prevention of high-rise steel structure eccentrical braces, draw together steel work main body grillage, Self-resetting supporting member, pillar system, steel work main body grillage comprises basic grillage, floor.The elementary cell that steel work main body grillage (1) is made up of A, B, tri-kinds of basic grillages of C forms, the basic grillage that wherein A basis grillage is edge, and the grillage that B, C two foundation slabs are centre position, and B, C basis grillage alternately connects, in three kinds of basic grillages, be not wide beam (3) with the beam on other adjacent one side of basic grillage, be narrow beam (4) with the beam on other adjacent one side of basic grillage, the deck-siding of narrow beam is the half of wide beam deck-siding, the deck-siding of wide beam is less than or equal to the width of column base flange, wide beam, the structure of narrow beam is identical, it is all girder truss, the wherein top-bottom chord of girder truss, web member is channel-section steel, web member becomes the angle of 30 degree-60 degree with chord member, between each girder truss top-bottom chord, be at least furnished with the connection channel-section steel (10) in 3 strap bolt holes, respectively there is the end-plate of the rectangle in a strap bolt hole at girder truss two ends, the top-bottom chord of girder truss, web member, connect channel-section steel, between end-plate, be welding, orthogonal two beams in A, B, tri-kinds of basic grillages of C, along deck-molding and two stiffeners (12) by being welded to connect, adjacent beam connects with bolt at the connection channel-section steel of two beam same positions side by side, and in the basic grillage of band column base (7), column base is connected with bolt with adjacent beam,
A basis grillage is basis, the outside grillage of main body grillage (1), for the basic grillage of the rectangle of wide beam (3) and narrow beam (4) composition, the interposition of A grillage is equipped with two narrow beams (4) that are connected side by side, and two narrow beams will link together in the connection channel-section steel of two beam same positions with bolt, the outer long side of A basis grillage is arranged pillar (8) on one side; Pillar is not arranged on the long limit adjacent with other basic grillages on one side;
B basis grillage, the basic grillage of two kinds of rectangles that C basis grillage is intermediate form, pillar (8) is not arranged on the narrow beam limit that wherein B basis grillage is adjacent with A basis grillage, pillar (8) is arranged on the narrow beam limit adjacent with C basis grillage, form node, wherein intermediate node is node 6, the node at two ends is node 5, node 6 is T shape, because column base flange is wider than or equals the twice of narrow beam deck-siding, so after narrow beam is alignd with the line of eccentricity of column base flange, just make column base protrude and be connected to column base both sides, the width of half column base in long limit being formed by narrow beam, node 5 is L shaped, wherein column base and an orthogonal wide beam, article one, narrow beam is bolted together, wide beam aligns with in orthogonal two line of eccentricity in column base flange one, narrow beam aligns with another in two line of eccentricity, because the deck-siding of narrow beam is less than or equal to the half of column base flange width, so column base also can protrude the width of half column base in long limit being made up of narrow beam, the column base that is B basis grillage node 5, node 6 places protrudes half column base of narrow beam being connected, and forms a projection,
Pillar is not all arranged on C basis grillage and B basis grillage, the two long limits that A basis grillage is adjacent, the node on the long limit that C basis grillage is adjacent with B basis grillage, centre position node is node 8, two ends are nodes 7, node 8 is four narrow beam compositions, wherein two narrow beam conllinear; Other two narrow beams are positioned at grillage centre position, C basis, connection and vertical with the narrow beam of conllinear side by side, the narrow beam of two conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side, node 7 is an orthogonal narrow beam and a wide beam composition, long limit, the inner side vertical alignment of narrow beam and wide beam, be that C basis grillage node 8, node 7 all form groove, make that node 8 grooves and the projection of B basis grillage node 5 match, the projection of node 7 grooves and the basic grillage node 6 of B matches;
The stub of column base (7) for being wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down, each parts are by being welded together, pillar (8), is bolted together post cover plate, column base flange, beam by being welded together with post cover plate;
Floor (15) cast is, on A, B, C basis grillage, to form entirety with basic grillage;
Its way of realization of Self-resetting supporting member (2) is accentric support, structure Self-resetting supporting member, for the tubular cross plate assembling type steel structure of one self reset curvature-prevention supports, by internal cruciform energy consumption inner core (2-2), peripheral steel tube confinement member (2-3) two parts form, inner energy consumption inner core (2-2) is inserted in the intermediate gaps of peripheral steel tube confinement member (2-3), for making inner energy consumption inner core (2-2) axial deformation power consumption, make inner energy consumption inner core (2-2) than the long distance B of peripheral frame confining part (2-3), D value has calculative determination, it is identical that tubular cross plate assembling type steel structure self reset curvature-prevention supports two ends structure,
The inner core member (2-2) of structure Self-resetting supporting member, described inner cross energy-consumption inner core (2-2) is two vertical cross strip steel plates, the breadth of section of cross energy-consumption inner core (2-2) is with to enclose steel tube confinement member (2-3) internal diameter equally large, for making energy consumption inner core (2-2) be easy to enter plasticity power consumption, weaken inner core plates middle part, be circular arc, cross energy-consumption inner core one end is connected with a vertical square connecting plate (2-12) with it, be welded to connect, spring (2-4) is enclosed within on support column (2-11), the two ends of support column (2-11) are connected with square connecting plate (2-12) and lower connecting plate (2-6) respectively, distance between two plates is by calculative determination, upper junction plate (2-5) is with bolt hole, linked together by high-strength bolt and framework, there is yi word pattern cavity lower connecting plate (2-6) plate face center, cavity area size is identical with cross energy-consumption inner core (2-2), cross energy-consumption inner core (2-2) is through lower connecting plate (2-6), hold out against with upper junction plate (2-5), three cross section eccentric alignment welds together, and cross energy-consumption inner core (2-2) two ends structure full form is same,
The external constraint member of structure Self-resetting supporting member, described peripheral steel tube confinement member be square steel pipe (or round steel pipe) (2-9), bottom welds together with lower connecting plate (2-6), steel duct is welded with four rectangle steel dividing plates (2-8), in the middle of four dividing plates, leave cross cavity, cavity size is identical with cross energy-consumption inner core (2-2) cross section, and dividing plate (2-8) spacing is by calculative determination.
The support system the present invention relates to, in the time implementing, is assembled into basic grillage in factory by wide beam (3), narrow beam (4) and column base (7), and floor is take profiled sheet concrete as example herein, and floor can also be the forms such as reinforced concrete floor.Self-resetting supporting member is with a kind of common form explanation herein.Profiled sheet (5) is placed on wide beam (3) and narrow beam (4), employing peg connects, at the upper concreting (6) of profiled sheet (5), utilize the space of wide beam (3), narrow beam (4) web member, place pipeline etc., final A basis grillage, B basis grillage and the C basis grillage of forming is bolted A, B, C basis grillage, and is welded to connect into main body grillage shown in accompanying drawing 1.Floor (15) cast is, on A, B, C basis grillage, to form entirety with basic grillage.Pillar (8) is connected into general frame by bolt and column base (7), after otic placode (9) is connected with main body frame, then Self-resetting supporting member (2) is connected with the otic placode (9) of general frame by high-strength bolt, form total system.
Figure 10-Figure 25 is the structural form of this structure node, its connected mode is as follows: post (8) welds in factory with post cover plate, wide beam (3) and narrow beam (4) by the basis of formation grillage that is welded together, are finally joined together to form node with bolt by column base (7), post cover plate, basic grillage along deck-molding and two stiffeners (12).
Figure 26-Figure 27 is this structural column seat structure figure.The stub of column base (7) for being wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down.Each parts are by being welded together.Pillar (8) and post cover plate are by being welded together.Post cover plate, column base flange, beam are bolted together.
Claims (1)
1. many, the tubular cross plate self reset curvature-prevention of the high-rise steel structure eccentrical braces of industrialization assembling, comprises main body grillage (1) and pillar system (16), Self-resetting supporting member (2); It is characterized in that:
Main body grillage comprises: basic grillage, floor (15);
The elementary cell that described main body grillage (1) is made up of A, B, tri-kinds of basic grillages of C forms, the basic grillage that wherein A basis grillage is edge, and the grillage that B, C two foundation slabs are centre position, and B, C basis grillage alternately connects, in three kinds of basic grillages, be not wide beam (3) with the beam on other adjacent one side of basic grillage, be narrow beam (4) with the beam on other adjacent one side of basic grillage, the deck-siding of narrow beam is the half of wide beam deck-siding, the deck-siding of wide beam is less than or equal to the width of column base flange, wide beam, the structure of narrow beam is identical, it is all girder truss, the wherein top-bottom chord of girder truss, web member is channel-section steel, web member becomes the angle of 30 degree-60 degree with chord member, between each girder truss top-bottom chord, be at least furnished with the connection channel-section steel (10) in 3 strap bolt holes, respectively there is the end-plate of the rectangle in a strap bolt hole at girder truss two ends, the top-bottom chord of girder truss, web member, connect channel-section steel, between end-plate, be welding, orthogonal two beams in A, B, tri-kinds of basic grillages of C, along deck-molding and two stiffeners (12) by being welded to connect, adjacent beam connects with bolt at the connection channel-section steel of two beam same positions side by side, and in the basic grillage of band column base (7), column base is connected with bolt with adjacent beam,
A basis grillage is basis, the outside grillage of main body grillage (1), for the basic grillage of the rectangle of wide beam (3) and narrow beam (4) composition, the interposition of A grillage is equipped with two narrow beams (4) that are connected side by side, and two narrow beams will link together in the connection channel-section steel of two beam same positions with bolt, the outer long side of A basis grillage is arranged pillar (8) on one side; Pillar is not arranged on the long limit adjacent with other basic grillages on one side;
B basis grillage, the basic grillage of two kinds of rectangles that C basis grillage is intermediate form, pillar (8) is not arranged on the narrow beam limit that wherein B basis grillage is adjacent with A basis grillage, pillar (8) is arranged on the narrow beam limit adjacent with C basis grillage, form node, wherein intermediate node is node 6, the node at two ends is node 5, node 6 is T shape, because column base flange is wider than or equals the twice of narrow beam deck-siding, so after narrow beam is alignd with the line of eccentricity of column base flange, just make column base protrude and be connected to column base both sides, the width of half column base in long limit being formed by narrow beam, node 5 is L shaped, wherein column base and an orthogonal wide beam, article one, narrow beam is bolted together, wide beam aligns with in orthogonal two line of eccentricity in column base flange one, narrow beam aligns with another in two line of eccentricity, because the deck-siding of narrow beam is less than or equal to the half of column base flange width, so column base also can protrude the width of half column base in long limit being made up of narrow beam, the column base that is B basis grillage node 5, node 6 places protrudes half column base of narrow beam being connected, and forms a projection,
Pillar is not all arranged on C basis grillage and B basis grillage, the two long limits that A basis grillage is adjacent, the node on the long limit that C basis grillage is adjacent with B basis grillage, centre position node is node 8, two ends are nodes 7, node 8 is four narrow beam compositions, wherein two narrow beam conllinear; Other two narrow beams are positioned at grillage centre position, C basis, connection and vertical with the narrow beam of conllinear side by side, the narrow beam of two conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side, node 7 is an orthogonal narrow beam and a wide beam composition, long limit, the inner side vertical alignment of narrow beam and wide beam, be that C basis grillage node 8, node 7 all form groove, make that node 8 grooves and the projection of B basis grillage node 5 match, the projection of node 7 grooves and the basic grillage node 6 of B matches;
The stub of column base (7) for being wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down, each parts are by being welded together, pillar (8), is bolted together post cover plate, column base flange, beam by being welded together with post cover plate;
Floor (15) cast is, on A, B, C basis grillage, to form entirety with basic grillage;
Its way of realization of Self-resetting supporting member (2) is accentric support, structure Self-resetting supporting member, for the tubular cross plate assembling type steel structure of one self reset curvature-prevention supports, by internal cruciform energy consumption inner core (2-2), peripheral steel tube confinement member (2-3) two parts form, inner energy consumption inner core (2-2) is inserted in the intermediate gaps of peripheral steel tube confinement member (2-3), for making inner energy consumption inner core (2-2) axial deformation power consumption, make inner energy consumption inner core (2-2) than the long distance B of peripheral frame confining part (2-3), D value has calculative determination, it is identical that tubular cross plate assembling type steel structure self reset curvature-prevention supports two ends structure,
The inner core member (2-2) of structure Self-resetting supporting member, described inner cross energy-consumption inner core (2-2) is two vertical cross strip steel plates, the breadth of section of cross energy-consumption inner core (2-2) is with to enclose steel tube confinement member (2-3) internal diameter equally large, for making energy consumption inner core (2-2) be easy to enter plasticity power consumption, weaken inner core plates middle part, be circular arc, cross energy-consumption inner core one end is connected with a vertical square connecting plate (2-12) with it, be welded to connect, spring (2-4) is enclosed within on support column (2-11), the two ends of support column (2-11) are connected with square connecting plate (2-12) and lower connecting plate (2-6) respectively, distance between two plates is by calculative determination, upper junction plate (2-5) is with bolt hole, linked together by high-strength bolt and framework, there is yi word pattern cavity lower connecting plate (2-6) plate face center, cavity area size is identical with cross energy-consumption inner core (2-2), cross energy-consumption inner core (2-2) is through lower connecting plate (2-6), hold out against with upper junction plate (2-5), three cross section eccentric alignment welds together, and cross energy-consumption inner core (2-2) two ends structure full form is same,
The external constraint member of structure Self-resetting supporting member, described peripheral steel tube confinement member be square steel pipe (or round steel pipe) (2-9), bottom welds together with lower connecting plate (2-6), steel duct is welded with four rectangle steel dividing plates (2-8), in the middle of four dividing plates, leave cross cavity, cavity size is identical with cross energy-consumption inner core (2-2) cross section, and dividing plate (2-8) spacing is by calculative determination.
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| CN201410146588.1A CN103882972B (en) | 2014-04-11 | 2014-04-11 | Industrialization assembled is many, the tubular cross plate self reset curvature-prevention eccentrical braces of high-rise steel structure |
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| CN201410146588.1A CN103882972B (en) | 2014-04-11 | 2014-04-11 | Industrialization assembled is many, the tubular cross plate self reset curvature-prevention eccentrical braces of high-rise steel structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089077A (en) * | 2000-09-12 | 2002-03-27 | Nippon Steel Corp | Viscoelastic brace serially connected with spring |
| CN201377127Y (en) * | 2009-01-16 | 2010-01-06 | 北京工业大学 | Buckling-restrained brace with double functions of micro-earthquake and strong earthquake |
| CN102979165A (en) * | 2012-11-26 | 2013-03-20 | 北京工业大学 | Industrialized assembled multi-story high-rise steel structure centrally-braced system |
| CN103195185A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | I-shaped single-plate assembling steel structure prestressed buckling preventing support |
| CN103469921A (en) * | 2013-09-12 | 2013-12-25 | 北京交通大学 | Setup spring self-recovery energy dissipation brace |
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2014
- 2014-04-11 CN CN201410146588.1A patent/CN103882972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089077A (en) * | 2000-09-12 | 2002-03-27 | Nippon Steel Corp | Viscoelastic brace serially connected with spring |
| CN201377127Y (en) * | 2009-01-16 | 2010-01-06 | 北京工业大学 | Buckling-restrained brace with double functions of micro-earthquake and strong earthquake |
| CN102979165A (en) * | 2012-11-26 | 2013-03-20 | 北京工业大学 | Industrialized assembled multi-story high-rise steel structure centrally-braced system |
| CN103195185A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | I-shaped single-plate assembling steel structure prestressed buckling preventing support |
| CN103469921A (en) * | 2013-09-12 | 2013-12-25 | 北京交通大学 | Setup spring self-recovery energy dissipation brace |
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