CN103981945A - Multiple assembled type and high layer steel structure self-resetting double-plate eccentric prestress support system - Google Patents
Multiple assembled type and high layer steel structure self-resetting double-plate eccentric prestress support system Download PDFInfo
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- CN103981945A CN103981945A CN201410146410.7A CN201410146410A CN103981945A CN 103981945 A CN103981945 A CN 103981945A CN 201410146410 A CN201410146410 A CN 201410146410A CN 103981945 A CN103981945 A CN 103981945A
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Abstract
The invention provides a multiple assembled type and high layer steel structure self-resetting double-plate eccentric prestress support system and belongs to the technical field of building construction. The multiple assembled type and high layer steel structure self-resetting double-plate eccentric prestress support system comprises a steel structure main body plate frame, a self-resetting support component and a column system, wherein the steel structure main body plate frame comprises a base plate frame and the column system. In a factory, a wide beam, a narrow beam and a column base are assembled into the base plate frame, the base plate frame and a floor are made into a whole, and the wide beam and the narrow beam are welded by channel steel in the factory. A pipeline passes between the web channel steel of the wide beam and the narrow beam, so that an A base plate frame, a B base plate frame and a C base plate frame are formed. The connecting part of the base plate frame and the column base and the connection of the wide beam and the narrow beam adopt high strength bolt connection and part welding, and the column base and a column are in high strength bolt flange connection. The multiple assembled type and high layer steel structure self-resetting double-plate eccentric prestress support system is fast in construction speed, high in structure bearing force and good in lateral displacement resistance without pollution, can fully exert the strength of materials and can effectively resist the horizontal loading.
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 prestressing force 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:
Assembling is many, the two plate eccentric prestress support systems of high-rise steel structure Self-resetting, and 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, 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 channel-section steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core 24, peripheral channel-section steel confining part 19, spring 29 3 parts; Two inner energy consumption inner core 24 are inserted respectively in the intermediate gaps of peripheral channel-section steel confining part 19 and I shape web 30; Support column 22 is arranged symmetrically in channel-section steel end through spring stripper plate 25, and support column 22 is fixed between channel-section steel end plate 23 and top flange junction plate 21, and spring 29 is enclosed within on support column 22, adds and is located between spring stripper plate 25 and channel-section steel end plate 23; 29, spring works in the time that spring stripper plate 25 pushes; For making inner energy consumption inner core 24 axial deformation power consumptions, make inner energy consumption inner core 24 longer than peripheral channel-section steel confining part 19;
On the edge of a wing, between lower connecting plate, weld a plate, i.e. top flange junction plate, it is used for fixing support column together with channel-section steel end plate; Spring 29 is enclosed within on support column 22, and the corresponding position of inner core, respectively welds a plate with holes, it is spring stripper plate 25, on it, pore size is identical with support column 22, so that support column 22 can pass spring stripper plate 25, spring 29 is located between spring stripper plate 25 and channel-section steel end plate 23;
Inner energy consumption inner core 24 is yi word pattern biplate steel plate, two parallel placements of steel plate, and certain distance is left in centre, and this distance is the thickness of I shape web; 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 24 one end are two vertical junction plates with it: inner energy consumption inner core upper junction plate 26, inner energy consumption inner core lower connecting plate 26, 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; Inner energy consumption inner core upper junction plate 26, lower connecting plate 27 are welded together by short stiffener; Short stiffener is all vertical with two plates; Spring stripper plate 25 is used for retraining support column 22, and carrys out Compress Spring 29 with the twitch of energy consumption inner core; In the middle of two inner core plates, be I shape web 30;
Peripheral channel-section steel confining part 24 is two relative channel-section steels, channel-section steel outward opening, centre is I shape web 30, two channel-section steels and I shape web 30 leave certain distance, form two spaces, two energy consumption inner core are inserted respectively in two spaces, this distance is the thickness of energy consumption inner core, so that energy consumption inner core penetrates in the middle of two channel-section steels and I shape web 30, channel-section steel respectively welds a frange plate up and down, fixing channel-section steel, and together as the peripheral constraint component of supporting member, upper and lower frange plate two ends are longer than channel-section steel;
In the prestressed member of structure Self-resetting prestressing force supporting member, prestressed cable 31 is arranged symmetrically in the both sides of energy consumption inner core 24; Through the transverse stiffener 20 in the middle of external frame confining part channel-section steel, its two ends are connected with the upper junction plate 26 of inner energy consumption inner core fine strain of millet end respectively, and tie point is positioned at two adjacent short stiffener 28 district's centers of a lattice.
Described Self-resetting prestressing force 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 prestressing force 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 prestressing force 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 prestressing force of the present invention supporting member 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 prestressing force of the present invention supporting member
The outside angle steel confining part of Figure 33 Self-resetting prestressing force of the present invention supporting member figure
Figure 34 supporting member prestressed cable of the present invention figure
Wherein, 1-main body grillage; 2-Self-resetting prestressing force 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-external frame confining part top flange plate; 18-external frame confining part bottom wing listrium; The outside channel-section steel confining part of 19-; 20-transverse stiffener; 21-top flange junction plate; 22-support column; 23-channel-section steel end plate; The inner energy consumption inner core of 24-; 25-spring stripper plate; The inner energy consumption inner core upper junction plate of 26-; The inner energy consumption inner core lower connecting plate of 27-; 28-short stiffener; 29-spring; 30-I shape I shape web; 31-prestressed cable.
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, the two anti-buckling eccentrical braces of plate Self-resetting prestressing force of high-rise steel structure I shape, draw together steel work main body grillage, Self-resetting prestressing force 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 prestressing force 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 prestressing force 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 channel-section steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core 24, peripheral channel-section steel confining part 19, spring 29 3 parts.Two inner energy consumption inner core 24 are inserted respectively in the intermediate gaps of peripheral channel-section steel confining part 19 and I shape web 30; Support column 22 is arranged symmetrically in channel-section steel end through spring stripper plate 25, and support column 22 is fixed between channel-section steel end plate 23 and top flange junction plate 21, and spring 29 is enclosed within on support column 22, adds and is located between spring stripper plate 25 and channel-section steel end plate 23; 29, spring works in the time that spring stripper plate 25 pushes; For making inner energy consumption inner core 24 axial deformation power consumptions, make inner energy consumption inner core 24 longer than peripheral channel-section steel confining part 19;
As shown in figure 31: support column 22, through spring stripper plate 25, is arranged symmetrically between channel-section steel end plate 23 and top flange junction plate, and quantity is by calculative determination, and spring 29 is enclosed within on support column 22, adds and is located between spring stripper plate 25 and channel-section steel end plate 23.The quantity of support column 22 and spring is by calculative determination.Edge of a wing upper and lower plates grows certain distance than channel-section steel, and this distance is by calculative determination.On the edge of a wing, between lower connecting plate, weld a plate, i.e. top flange junction plate, it is used for fixing support column together with channel-section steel end plate.Spring 29 is enclosed within on support column 22, and the corresponding position of inner core, respectively welds a plate with holes, it is spring stripper plate 25, on it, pore size is identical with support column 22, so that support column 22 can pass spring stripper plate 25, spring 29 is located between spring stripper plate 25 and channel-section steel end plate 23;
Shown in figure 32: inner energy consumption inner core 24 is yi word pattern biplate steel plate, two parallel placements of steel plate, certain distance is left in centre, and this distance is the thickness of I shape web; 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 24 one end are two vertical junction plates with it: inner energy consumption inner core upper junction plate 26, inner energy consumption inner core lower connecting plate 26, 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; Inner energy consumption inner core upper junction plate 26, lower connecting plate 27 are welded together by short stiffener; Short stiffener is all vertical with two plates.Spring stripper plate 25 is used for retraining support column 22, and carrys out Compress Spring 29 with the twitch of energy consumption inner core; In the middle of two inner core plates, be I shape web 30.
As shown in figure 33: described peripheral channel-section steel confining part 24 is two relative channel-section steels, channel-section steel outward opening, centre is I shape web 30, two channel-section steels and I shape web 30 leave certain distance, form two spaces, two energy consumption inner core are inserted respectively in two spaces, this distance is the thickness of energy consumption inner core, so that energy consumption inner core penetrates in the middle of two channel-section steels and I shape web 30, channel-section steel respectively welds a frange plate up and down, fixing channel-section steel, and together as the peripheral constraint component of supporting member, upper and lower frange plate two ends are longer than channel-section steel.
As shown in figure 34: in the prestressed member of structure Self-resetting prestressing force supporting member, prestressed cable 31 is arranged symmetrically in the both sides of energy consumption inner core 24; Through the transverse stiffener 20 in the middle of external frame confining part channel-section steel, its two ends are connected with the upper junction plate 26 of inner energy consumption inner core fine strain of millet end respectively, and tie point is positioned at two adjacent short stiffener 28 district's centers of a lattice.
Claims (1)
1. the two plate eccentric prestress support systems of many, the high-rise steel structure Self-resetting of 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 channel-section steel assembling type steel structure self reset curvature-prevention supports, this support is made up of inner energy consumption inner core (24), peripheral channel-section steel confining part (19), spring (29) three parts; Two inner energy consumption inner core (24) are inserted respectively in the intermediate gaps of peripheral channel-section steel confining part (19) and I shape web (30); Support column (22) is arranged symmetrically in channel-section steel end through spring stripper plate (25), support column (22) is fixed between channel-section steel end plate (23) and top flange junction plate (21), it is upper that spring (29) is enclosed within support column (22), adds and be located between spring stripper plate (25) and channel-section steel end plate (23); Spring (29) only works in the time that spring stripper plate (25) pushes; For making inner energy consumption inner core (24) axial deformation power consumption, make inner energy consumption inner core (24) longer than peripheral channel-section steel confining part (19);
On the edge of a wing, between lower connecting plate, weld a plate, i.e. top flange junction plate, it is used for fixing support column together with channel-section steel end plate; Spring (29) is enclosed within on support column (22), the corresponding position of inner core, a plate with holes of each welding, be spring stripper plate (25), on it, pore size is identical with support column (22), so that support column (22) can pass spring stripper plate (25), spring (29) is located between spring stripper plate (25) and channel-section steel end plate (23);
Inner energy consumption inner core (24) is yi word pattern biplate steel plate, two parallel placements of steel plate, and a segment distance is left in centre, and this distance is the thickness of I shape web; 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 (24) one end is two vertical junction plates with it: inner energy consumption inner core upper junction plate (26), inner energy consumption inner core lower connecting plate (26), 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; Inner energy consumption inner core upper junction plate (26), lower connecting plate (27) are welded together by short stiffener; Short stiffener is all vertical with two plates; Spring stripper plate (25) is used for retraining support column (22), and carrys out Compress Spring (29) with the twitch of energy consumption inner core; In the middle of two inner core plates, be I shape web (30);
Peripheral channel-section steel confining part (24) is two relative channel-section steels, channel-section steel outward opening, centre is I shape web (30), two channel-section steels and I shape web (30) leave a segment distance, form two spaces, two energy consumption inner core are inserted respectively in two spaces, this distance is the thickness of energy consumption inner core, so that energy consumption inner core penetrates in the middle of two channel-section steels and I shape web (30), channel-section steel respectively welds a frange plate up and down, fixing channel-section steel, and together as the peripheral constraint component of supporting member, upper and lower frange plate two ends are longer than channel-section steel.
In the prestressed member of structure Self-resetting prestressing force supporting member, prestressed cable (31) is arranged symmetrically in the both sides of energy consumption inner core (24); Through the transverse stiffener (20) in the middle of external frame confining part channel-section steel, its two ends are connected with the upper junction plate (26) of inner energy consumption inner core fine strain of millet end respectively, and tie point is positioned at two adjacent short stiffener (28) district centers of a lattice.
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| 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 |
| 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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| JP2002130370A (en) * | 2000-10-19 | 2002-05-09 | Taisei Corp | Seismic isolator |
| 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 |
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