CN103967109A - Self-resetting line-shaped eccentric supporting system for industrialized assembly type multistory and high-rise steel structures - Google Patents
Self-resetting line-shaped eccentric supporting system for industrialized assembly type multistory and high-rise steel structures Download PDFInfo
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- CN103967109A CN103967109A CN201410146601.3A CN201410146601A CN103967109A CN 103967109 A CN103967109 A CN 103967109A CN 201410146601 A CN201410146601 A CN 201410146601A CN 103967109 A CN103967109 A CN 103967109A
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Abstract
The invention relates to a self-resetting line-shaped eccentric supporting system for industrialized assembly type multistory and high-rise steel structures, and belongs to the technical field of construction. The self-resetting line-shaped eccentric supporting system comprises a steel structure body plate frame, a self-resetting supporting member and a pillar system, and is characterized in that the steel structure body plate frame comprises foundation plate frames and floor slabs. Wide beams, narrow beams and a pillar seat are assembled into the foundation plate frames in the factory, the foundation plate frames and the floor slabs are formed into a whole, and the wide beams and the narrow beams are formed by welding steel channels in the factory. Pipelines penetrate through web steel channels of the wide beams and the narrow beams to form a foundation plate frame A, a foundation plate frame B and a foundation plate frame C. The foundation plate frames are connected with the pillar seat through high-strength bolts, partial welding is performed on the connection positions of the foundation plate frames and the pillar seat, the wide beams are connected with the narrow beams through high-strength bolts, and partial welding is performed on the connection positions of the wide beams and the narrow beams. The pillar seat is connected with pillars through high-strength bolt flanges. The self-resetting line-shaped eccentric supporting system for the industrialized assembly type multistory and high-rise steel structures has the advantages of being in high in construction speed and structure bearing capacity, good in sidesway resistance and free of pollution, and gives full play to strength of materials.
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, high-rise steel structure one word Self-resetting eccentrical braces, comprises main body grillage 1 and pillar system 16, Self-resetting supporting member 2; Main body grillage comprises: basic grillage 1-1, floor 1-2; Profiled sheet 5 is placed on wide beam 3 and narrow beam 4, employing peg connects, concreting 6 on profiled sheet 5, utilize the space of wide beam 3, narrow beam 4 web members, place pipeline etc., final A basis grillage, B basis grillage and the C basis grillage of forming, is bolted A, B, C basis grillage 1-1, and be welded to connect into main body grillage; Floor 1-2 is cast in A, B, grillage 1-1 is upper on C basis, forms entirety with basic grillage 1-1; 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;
The elementary cell that described main body grillage 1 is made up of A plate, B plate, three kinds of basic grillage 1-1 of C plate forms, A plate, C plate, B plate, A plate are linked in sequence, the basic grillage 1-1 that wherein A plate base grillage is edge, the grillage that B plate, C plate two foundation slabs are centre position, and B plate, C plate base grillage 1-1 alternately connect; And be bolted, and be welded to connect into main body grillage; Floor 1-2 cast is that grillage 1-1 is upper for A, B, C basis, forms entirety with basic grillage 1-1;
In three kinds of basic grillage 1-1, be not wide beam 3 with the beam on other adjacent one side of basic grillage 1-1; Be narrow beam 4 with the beam on other adjacent one side of basic grillage 1-1; The deck-siding of narrow beam 4 is the half of wide beam 3 deck-sidings, and the deck-siding of wide beam 4 is less than or equal to the width of column base flange; Wide beam, the structure of narrow beam is identical, is all girder truss; Wherein the top-bottom chord of girder truss, web member are channel-section steel, and web member becomes the angle of 30 degree-60 degree with chord member; The connection channel-section steel 10 that is at least furnished with 3 strap bolt holes between each girder truss top-bottom chord, respectively there is the end-plate of the rectangle in a strap bolt hole at girder truss two ends; Between the top-bottom chord of girder truss, web member, connection channel-section steel, end-plate, be welding;
Orthogonal two beams in A plate, B plate, three kinds of basic grillage 1-1 of C plate, 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; In basic grillage 1-1 with column base 7, column base is connected with bolt with adjacent beam;
A plate is basis, the outside grillage 1-1 of main body grillage 1, the basic grillage 1-1 of the rectangle forming for wide beam 3 and narrow beam 4, the interposition of A grillage is equipped with two narrow beams 4 that are connected side by side, and two narrow beam 4 use bolts will link together in the connection channel-section steel of two beam same positions; The outer long side of A plate is arranged pillar 8 on one side; Pillar 8 is not arranged on the long limit adjacent with other basic grillage 1-1 on one side;
B plate, the basic grillage 1-1 of two kinds of rectangles that C plate is intermediate form; Pillar 8 is not arranged on the narrow beam limit that wherein B plate is adjacent with A plate; Pillar 8 is arranged on the narrow beam limit adjacent with C, forms node, and wherein intermediate node is node VI, and the node at two ends is node V; Node VI 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 to be connected to the width of half column base in long limit that column base both sides are made up of narrow beam; Node V is L shaped, and wherein column base and an orthogonal wide beam, a narrow beam are bolted together, and 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 plate node V, node VI place protrudes half column base of narrow beam being connected, and forms a projection;
Pillar is not all arranged on C plate and B plate, the two long limits that A plate is adjacent, the node on the long limit that C plate is adjacent with B plate, and centre position node is node VIII, two ends are node VII; Node VIII is four narrow beam compositions, wherein two narrow beam conllinear; Other two narrow beams are positioned at C plate centre position, side by side connection and vertical with the narrow beam of conllinear; The narrow beam of two conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side; Node VII is an orthogonal narrow beam and a wide beam composition; Long limit, the inner side of narrow beam and wide beam vertical alignment, C node VIII, node VII all form groove, the projection of node VIII groove and B plate node V are matched, the projection of node VII groove and B node VI 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 7-3, surrounding up and down, each parts are by being welded together; Pillar 8 and post cover plate 11-1 are by being welded together; Post cover plate 11-1, column base flange 7-3, beam are bolted together;
Floor 1-2 is cast on A plate, B plate, C plate, forms entirety with basic grillage 1-1;
Structure Self-resetting supporting member, described is that a kind of angle steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core 20, peripheral angle steel confining part 24, spring 18 3 parts; Inner energy consumption inner core 20 is inserted in the intermediate gaps of peripheral angle steel confining part 24; Support column 17 is arranged symmetrically with angle steel end through spring stripper plate 28, and support column is fixed between angle steel end plate 29 and square steel pipe end plate 27; Spring 18 is enclosed within on support column 17, adds and is located between spring stripper plate 28 and angle steel end plate 29; 18, spring works in the time that spring stripper plate 28 pushes; For making inner energy consumption inner core 20 axial deformation power consumptions, make inner energy consumption inner core 20 longer than peripheral angle steel confining part 24;
One section of square steel pipe 19 is respectively inserted at angle steel two ends, be inserted in distance fixed more in addition, square steel pipe 19 is welded to connect with angle steel end plate 29, square steel pipe 19 one end add two fixed heads, be that square steel pipe end plate 27 other ends are connected with angle steel end plate 29, with fixed support post 17, spring 18 is enclosed within on support column 17, the corresponding position of energy consumption inner core 20, weld altogether up and down four blocks of plates with holes, it is spring stripper plate 28, pore size with holes on spring stripper plate 28 is identical with support column diameter 17, so that support column 17 can pass this plate, spring 18 is located between spring-compressed plate 28 and angle steel end plate 29,
Inner energy consumption inner core 20 is yi word pattern single steel plate, for making energy consumption inner core be easy to enter plasticity power consumption, weakens chip board middle part, is circular arc; Energy consumption inner core one end is two vertical junction plates with it: upper junction plate 21, lower connecting plate 22, be connected with energy consumption inner core vertical welding; The junction plate of supporting member end, with bolt hole, is linked together by high-strength bolt and framework; Upper junction plate, lower connecting plate are welded together by short stiffener; Short stiffener is all vertical with two junction plates; Spring stripper plate 28 is used for retraining support column 17, and carrys out Compress Spring 18 with the twitch of inner core plates;
Peripheral angle steel confining part 24 is four angle steel, and first limb welds together back to it between two, the T font being down; Again the edge of a wing of two T fonts is bolted together; Each bolt sleeve has sleeve pipe 25, and sleeve pipe 25 length are identical with energy consumption inner core 20 thickness; Sleeve is positioned between the bolted two limb back ofs the body; Between two limbs of each angle steel, be all welded with transverse stiffener, its angle steel end plate is used for fixing support column;
In the prestressed member of structure Self-resetting prestressing force supporting member, prestressed cable 30 is arranged symmetrically in angle steel around; Through the transverse stiffener 20 in the middle of external frame confining part angle steel, its two ends are connected with the upper junction plate 26 at inner energy consumption inner core two ends respectively, and tie point is positioned at two adjacent short stiffener 28 district's centers of a lattice.
Described Self-resetting supporting member can be spring, and logical being enclosed within on support column 17 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.
The present invention can obtain following 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 Self-resetting supporting member of the present invention constructional drawing
Figure 31 supporting member structure decomposition map of the present invention
The inner energy consumption inner core figure of Figure 32 Self-resetting supporting member of the present invention
Figure 33 Self-resetting supporting member of the present invention external constraint component diagram
Wherein, 1-main body grillage; 2-Self-resetting supporting member; 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; 9-1: single connection otic placode; 9-2: dual link otic placode; 10-connects channel-section steel; 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; 13-termination; 14-section shrouding; 15-floor; 16-pillar system.17-support column; 18-spring; 19-square steel pipe; The inner energy consumption inner core of 20-; 21-upper junction plate; 22-lower connecting plate; The upper lower connecting plate stiffening rib of 23-; 24-external constraint member angle steel; 25-sleeve pipe; 26-the steel angle stiffening rib; 27-square steel pipe end plate; 28-spring stripper plate; 29-angle steel end plate.
Specific implementation
Illustrate the implementation of described structural system below in conjunction with accompanying drawing.
As shown in Fig. 1～9, the present invention is that a kind of industrialization assembling is many, high-rise steel structure yi word pattern angle steel self reset curvature-prevention eccentrical braces, draw together 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, pillar system.In factory, wide beam 3, narrow beam 4 and column base 7 are assembled into basic grillage, 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, concreting 6 on profiled sheet 5, utilize the space of wide beam 3, narrow beam 4 web members, 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 are, 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 26 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 27-Figure 28 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.
As shown in Figure 30-31, structure Self-resetting supporting member, described is that a kind of angle steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core 20, peripheral angle steel confining part 24, spring 18 3 parts.Inner energy consumption inner core 20 is inserted in the intermediate gaps of peripheral angle steel confining part 24.Support column 17 is arranged symmetrically with angle steel end through spring stripper plate 28, and support column is fixed between angle steel end plate 29 and square steel pipe end plate 27; Spring 18 is enclosed within on support column 17, adds and is located between spring stripper plate 28 and angle steel end plate 29.18, spring works in the time that spring stripper plate 28 pushes; For making inner energy consumption inner core 20 axial deformation power consumptions, make inner energy consumption inner core 20 longer than peripheral angle steel confining part 24;
As shown in figure 31: one section of square steel pipe 19 is respectively inserted at angle steel two ends, be inserted in distance fixed more in addition, square steel pipe 19 is welded to connect with angle steel end plate 29, square steel pipe 19 one end add two fixed heads, be that square steel pipe end plate 27 other ends are connected with angle steel end plate 29, with fixed support post 17, spring 18 is enclosed within on support column 17, the corresponding position of energy consumption inner core 20, weld altogether up and down four blocks of plates with holes, it is spring stripper plate 28, pore size with holes on spring stripper plate 28 is identical with support column diameter 17, so that support column 17 can pass this plate, spring 18 is located between spring-compressed plate 28 and angle steel end plate 29,
Shown in figure 32: inner energy consumption inner core 20 is yi word pattern single steel plate; For making energy consumption inner core be easy to enter plasticity power consumption, weaken chip board middle part, be circular arc; Energy consumption inner core one end is two vertical junction plates with it: upper junction plate 21, lower connecting plate 22, be connected with energy consumption inner core vertical welding.The junction plate of supporting member end, with bolt hole, is linked together by high-strength bolt and framework.Upper junction plate, lower connecting plate are welded together by short stiffener.Short stiffener is all vertical with two junction plates.Spring stripper plate 28 is used for retraining support column 17, and carrys out Compress Spring 18 with the twitch of inner core plates;
As shown in figure 33: peripheral angle steel confining part 24 is four angle steel, first limb welds together back to it between two, the T font being down.Again the edge of a wing of two T fonts is bolted together.Each bolt sleeve has sleeve pipe 25, and sleeve pipe 25 length are identical with energy consumption inner core 20 thickness.Sleeve is positioned between the bolted two limb back ofs the body.Between two limbs of each angle steel, be all welded with transverse stiffener, its angle steel end plate is used for fixing support column.
Claims (1)
1. many, the high-rise steel structure one word Self-resetting eccentrical braces of industrialization assembling, is characterized in that: it comprises main body grillage (1) and pillar system (16), Self-resetting supporting member (2); Main body grillage comprises: basic grillage (1-1), floor (1-2); 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 (1-1), and be welded to connect into main body grillage; Floor (1-2) is cast in A, B, C basis grillage (1-1) is upper, forms entirety with basic grillage (1-1); 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;
The elementary cell that described main body grillage (1) is made up of A plate, B plate, three kinds of basic grillages of C plate (1-1) forms, A plate, C plate, B plate, A plate are linked in sequence, the basic grillage (1-1) that wherein A plate base grillage is edge, the grillage that B plate, C plate two foundation slabs are centre position, and B plate, C plate base grillage (1-1) alternately connect; And be bolted, and be welded to connect into main body grillage; Floor (1-2) cast is A, B, C basis grillage (1-1) above, forms entirety with basic grillage (1-1);
In three kinds of basic grillages (1-1), be not wide beam (3) with the beam on other adjacent one side of basic grillage (1-1); Be narrow beam (4) with the beam on other adjacent one side of basic grillage (1-1); The deck-siding of narrow beam (4) is the half of wide beam (3) deck-siding, and the deck-siding of wide beam (4) is less than or equal to the width of column base flange; Wide beam, the structure of narrow beam is identical, is all girder truss; Wherein the top-bottom chord of girder truss, web member are channel-section steel, and web member becomes the angle of 30 degree-60 degree with chord member; The connection channel-section steel (10) that is at least furnished with 3 strap bolt holes between each girder truss top-bottom chord, respectively there is the end-plate of the rectangle in a strap bolt hole at girder truss two ends; Between the top-bottom chord of girder truss, web member, connection channel-section steel, end-plate, be welding;
Orthogonal two beams in A plate, B plate, three kinds of basic grillages of C plate (1-1), 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; In the basic grillage (1-1) of band column base (7), column base is connected with bolt with adjacent beam;
A plate is the outside basis grillage (1-1) of main body grillage (1), for the basic grillage (1-1) 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 (4) will link together in the connection channel-section steel of two beam same positions with bolt; The outer long side of A plate is arranged pillar (8) on one side; Pillar (8) is not arranged on the long limit adjacent with other basic grillages (1-1) on one side;
B plate, the basic grillage (1-1) of two kinds of rectangles that C plate is intermediate form; Pillar (8) is not arranged on the narrow beam limit that wherein B plate is adjacent with A plate; Pillar (8) is arranged on the narrow beam limit adjacent with C, forms node, and wherein intermediate node is node VI, and the node at two ends is node V; Node VI 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 to be connected to the width of half column base in long limit that column base both sides are made up of narrow beam; Node V is L shaped, and wherein column base and an orthogonal wide beam, a narrow beam are bolted together, and 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 plate node V, node VI place protrudes half column base of narrow beam being connected, and forms a projection;
Pillar is not all arranged on C plate and B plate, the two long limits that A plate is adjacent, the node on the long limit that C plate is adjacent with B plate, and centre position node is node VIII, two ends are node VII; Node VIII is four narrow beam compositions, wherein two narrow beam conllinear; Other two narrow beams are positioned at C plate centre position, side by side connection and vertical with the narrow beam of conllinear; The narrow beam of two conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side; Node VII is an orthogonal narrow beam and a wide beam composition; Long limit, the inner side of narrow beam and wide beam vertical alignment, C node VIII, node VII all form groove, the projection of node VIII groove and B plate node V are matched, the projection of node VII groove and B node VI 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 (7-3), surrounding up and down, each parts are by being welded together; Pillar (8) and post cover plate (11-1) are by being welded together; Post cover plate (11-1), column base flange (7-3), beam are bolted together;
Floor (1-2) is cast on A plate, B plate, C plate, forms entirety with basic grillage (1-1);
Structure Self-resetting supporting member, described is that a kind of angle steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core (20), peripheral angle steel confining part (24), spring (18) three parts; Inner energy consumption inner core (20) is inserted in the intermediate gaps of peripheral angle steel confining part (24); Support column (17) is arranged symmetrically with angle steel end through spring stripper plate (28), and support column is fixed between angle steel end plate (29) and square steel pipe end plate (27); It is upper that spring (18) is enclosed within support column (17), adds and be located between spring stripper plate (28) and angle steel end plate (29); Spring (18) only works in the time that spring stripper plate (28) pushes; For making inner energy consumption inner core (20) axial deformation power consumption, make inner energy consumption inner core (20) longer than peripheral angle steel confining part (24);
One section of square steel pipe (19) is respectively inserted at angle steel two ends, be inserted in distance fixed more in addition, square steel pipe (19) is welded to connect with angle steel end plate (29), square steel pipe (19) one end adds two fixed heads, be that square steel pipe end plate (27) other end is connected with angle steel end plate (29), with fixed support post (17), spring (18) is enclosed within on support column (17), the corresponding position of energy consumption inner core (20), weld altogether up and down four blocks of plates with holes, be spring stripper plate (28), pore size with holes on spring stripper plate (28) is identical with support column diameter (17), so that support column (17) can pass this plate, spring (18) is located between spring-compressed plate (28) and angle steel end plate (29),
Inner energy consumption inner core (20) is yi word pattern single steel plate, for making energy consumption inner core be easy to enter plasticity power consumption, weakens chip board middle part, is circular arc; Energy consumption inner core one end is two vertical junction plates with it: upper junction plate (21), lower connecting plate (22), be connected with energy consumption inner core vertical welding; The junction plate of supporting member end, with bolt hole, is linked together by high-strength bolt and framework; Upper junction plate, lower connecting plate are welded together by short stiffener; Short stiffener is all vertical with two junction plates; Spring stripper plate (28) is used for retraining support column (17), and carrys out Compress Spring (18) with the twitch of inner core plates;
Peripheral angle steel confining part (24) is four angle steel, and first limb welds together back to it between two, the T font being down; Again the edge of a wing of two T fonts is bolted together; Each bolt sleeve has sleeve pipe (25), and sleeve pipe (25) length is identical with energy consumption inner core (20) thickness; Sleeve is positioned between the bolted two limb back ofs the body; Between two limbs of each angle steel, be all welded with transverse stiffener, its angle steel end plate is used for fixing support column;
In the prestressed member of structure Self-resetting prestressing force supporting member, prestressed cable (30) is arranged symmetrically in angle steel around; Through the transverse stiffener (20) in the middle of external frame confining part (angle steel), its two ends are connected with the upper junction plate (26) at inner energy consumption inner core two ends respectively, and tie point is positioned at two adjacent short stiffener (28) district centers of a lattice.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2002022994A1 (en) * | 2000-09-12 | 2002-03-21 | Tube Investments Of India Ltd. | A sleeved bracing useful in the construction of earthquake resistant structures |
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| WO2002022994A1 (en) * | 2000-09-12 | 2002-03-21 | Tube Investments Of India Ltd. | A sleeved bracing useful in the construction of earthquake resistant structures |
| JP3820523B2 (en) * | 2002-06-19 | 2006-09-13 | 清水建設株式会社 | Brace damper |
| CN102979172A (en) * | 2012-11-26 | 2013-03-20 | 北京工业大学 | Industrialized assembled multi-story high-rise steel structure prestressed centrally-braced system |
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| CN103195187A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | Angle steel assembly type steel structure prestressed buckling-restrained brace |
| CN103195188A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | I-shaped double-plate assembling steel structure prestressed buckling preventing support |
| 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 |
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Application publication date: 20140806 |