CN103882973A - Industrialized assembly type multi-storey and high-storey steel-structure framework veneer self-resetting buckling-prevention eccentric bracing system - Google Patents

Industrialized assembly type multi-storey and high-storey steel-structure framework veneer self-resetting buckling-prevention eccentric bracing system Download PDF

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Publication number
CN103882973A
CN103882973A CN201410148591.7A CN201410148591A CN103882973A CN 103882973 A CN103882973 A CN 103882973A CN 201410148591 A CN201410148591 A CN 201410148591A CN 103882973 A CN103882973 A CN 103882973A
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CN
China
Prior art keywords
grillage
narrow
node
column base
steel
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CN201410148591.7A
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Chinese (zh)
Inventor
张爱林
封晓龙
叶全喜
刘学春
林娜
孙勇
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北京工业大学
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Priority to CN201410148591.7A priority Critical patent/CN103882973A/en
Publication of CN103882973A publication Critical patent/CN103882973A/en

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Abstract

The invention relates to an industrialized assembly type multi-storey and high-storey steel-structure framework veneer self-resetting buckling-prevention eccentric bracing system which can be installed quickly. 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

Industrialization assembling is many, high-rise steel structure framework veneer self reset curvature-prevention eccentrical braces

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, high-rise steel structure framework veneer self reset curvature-prevention 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 framework veneer.Pipeline passes through between the web framework veneer 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 specification.

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.

Brief description of the drawings

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 lateral view of the present invention

Figure 31 supporting member plan view of the present invention

The inner energy consumption inner core figure of Figure 32 supporting member of the present invention

Figure 33 supporting member external frame of the present invention confining part figure

Wherein, 1-main body grillage; 2-Self-resetting supporting member; 2-1: framework veneer shape assembling type steel structure self reset curvature-prevention supports; 2-2: inner energy consumption inner core; 2-3: external frame confining part; 2-4: spring; 2-5: upper junction plate; 2-6: lower connecting plate; 2-7: transverse stiffener; 2-9: external frame confining part frange plate; 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-connecting frame 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.

Detailed description of the invention

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, high-rise steel structure framework veneer self reset curvature-prevention eccentrical braces, comprise 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.

The elementary cell that 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 center line 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 center lines in column base flange one, narrow beam aligns with another in two center lines, 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 a kind of framework veneer assembling type steel structure self reset curvature-prevention supports, by inner 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 frame confining part (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 framework veneer assembling type steel structure self reset curvature-prevention supports (2) two ends structure,

The inner core member (2-2) of structure Self-resetting supporting member, described inner power consumption chip (2-2) is yi word pattern single steel plate, for the chip (2-2) that makes to consume energy is easy to enter plasticity power consumption, weaken chip board middle part, be circular arc, power consumption chip (2-2) one end is two vertical junction plates (2-12) with it: power consumption chip (2-2) upper junction plate (2-5), power consumption chip lower connecting plate (2-6), be welded to connect with power consumption Chip Vertical, topmost a junction plate (2-5) is with bolt hole, linked together by high-strength bolt and framework, on, two junction plates are welded together by short stiffener (2-10) below, short stiffener (2-10) is all vertical with two plates, power consumption chip (2-2) two ends structure is identical,

The external constraint member of structure Self-resetting supporting member, described peripheral frame confining part (2-3) is upper, lower two blocks of frange plates (2-9), centre welds together with double transverse stiffener (2-7), between double transverse stiffener (2-7), leave the width of a power consumption chip (2-2), can make inner power consumption chip insert, peripheral frame confining part (2-3) is arranged transverse stiffener (2-7) along total length from upper end, the spacing of transverse stiffener (2-7) is by calculative determination, transverse stiffener (2-7) is and is welded to connect with upper and lower frange plate (2-9), spring (2-4) is enclosed within on support column (2-11), the two ends of support column (2-11) are connected with the junction plate (2-12) at two ends respectively, spring (2-4) two ends are fixing with junction plate (2-12) and stripper plate (2-13) respectively, spring (2-4) is at pressurized, draw Shi Junneng to play Self-resetting effect.Between peripheral frame confining part (2-3) bottom connecting plate and adjacent transverse stiffener (2-7), be weldingly connected with short stiffener.

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 taking 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 high-rise steel structure framework veneer self reset curvature-prevention 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 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 center line 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 center lines in column base flange one, narrow beam aligns with another in two center lines, 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 a kind of framework veneer assembling type steel structure self reset curvature-prevention supports, by inner 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 frame confining part (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 framework veneer assembling type steel structure self reset curvature-prevention supports (2) two ends structure,
The inner core member (2-2) of structure Self-resetting supporting member, described inner power consumption chip (2-2) is yi word pattern single steel plate, for the chip (2-2) that makes to consume energy is easy to enter plasticity power consumption, weaken chip board middle part, be circular arc, power consumption chip (2-2) one end is two vertical junction plates (2-12) with it: power consumption chip (2-2) upper junction plate (2-5), power consumption chip lower connecting plate (2-6), be welded to connect with power consumption Chip Vertical, topmost a junction plate (2-5) is with bolt hole, linked together by high-strength bolt and framework, on, two junction plates are welded together by short stiffener (2-10) below, short stiffener (2-10) is all vertical with two plates, power consumption chip (2-2) two ends structure is identical,
The external constraint member of structure Self-resetting supporting member, described peripheral frame confining part (2-3) is upper, lower two blocks of frange plates (2-9), centre welds together with double transverse stiffener (2-7), between double transverse stiffener (2-7), leave the width of a power consumption chip (2-2), can make inner power consumption chip insert, peripheral frame confining part (2-3) is arranged transverse stiffener (2-7) along total length from upper end, the spacing of transverse stiffener (2-7) is by calculative determination, transverse stiffener (2-7) is and is welded to connect with upper and lower frange plate (2-9), spring (2-4) is enclosed within on support column (2-11), the two ends of support column (2-11) are connected with the junction plate (2-12) at two ends respectively, spring (2-4) two ends are fixing with junction plate (2-12) and stripper plate (2-13) respectively, spring (2-4) is at pressurized, draw Shi Junneng to play Self-resetting effect.Between peripheral frame confining part (2-3) bottom connecting plate and adjacent transverse stiffener (2-7), be weldingly connected with short stiffener.
CN201410148591.7A 2014-04-11 2014-04-11 Industrialized assembly type multi-storey and high-storey steel-structure framework veneer self-resetting buckling-prevention eccentric bracing system CN103882973A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11241412A (en) * 1998-02-20 1999-09-07 Kai Kenchiku Sekkei Jimusho:Kk Brace
JP2001073456A (en) * 1999-09-06 2001-03-21 Toshiyuki Sasaki Steel frame structure with column leg rigidity and x-y axes rigid joint frame with joint part of column and beam joined by high-tension bolt and fillet welding
CN102979177A (en) * 2012-11-26 2013-03-20 北京工业大学 Industrialized assembled multi-story high-rise steel structure eccentrically-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
CN103206010A (en) * 2013-03-23 2013-07-17 北京工业大学 Assembled steel structure prestress eccentric bracing frame system
CN103334490A (en) * 2013-06-24 2013-10-02 北京工业大学 Multi-story high-rise fabricated steel structure framework supporting system
CN103410220A (en) * 2013-05-29 2013-11-27 北京工业大学 Industrially assembled multiple high-rise steel special-shaped column frame-eccentric supporting system
CN103410218A (en) * 2013-07-26 2013-11-27 北京工业大学 Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns
CN103469921A (en) * 2013-09-12 2013-12-25 北京交通大学 Setup spring self-recovery energy dissipation brace

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11241412A (en) * 1998-02-20 1999-09-07 Kai Kenchiku Sekkei Jimusho:Kk Brace
JP2001073456A (en) * 1999-09-06 2001-03-21 Toshiyuki Sasaki Steel frame structure with column leg rigidity and x-y axes rigid joint frame with joint part of column and beam joined by high-tension bolt and fillet welding
CN102979177A (en) * 2012-11-26 2013-03-20 北京工业大学 Industrialized assembled multi-story high-rise steel structure eccentrically-braced system
CN103206010A (en) * 2013-03-23 2013-07-17 北京工业大学 Assembled steel structure prestress eccentric bracing frame 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
CN103410220A (en) * 2013-05-29 2013-11-27 北京工业大学 Industrially assembled multiple high-rise steel special-shaped column frame-eccentric supporting system
CN103334490A (en) * 2013-06-24 2013-10-02 北京工业大学 Multi-story high-rise fabricated steel structure framework supporting system
CN103410218A (en) * 2013-07-26 2013-11-27 北京工业大学 Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns
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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