CN103195164A - Assembly prestress center support system for steel structure - Google Patents
Assembly prestress center support system for steel structure Download PDFInfo
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- CN103195164A CN103195164A CN2013101055558A CN201310105555A CN103195164A CN 103195164 A CN103195164 A CN 103195164A CN 2013101055558 A CN2013101055558 A CN 2013101055558A CN 201310105555 A CN201310105555 A CN 201310105555A CN 103195164 A CN103195164 A CN 103195164A
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Abstract
The invention discloses an assembly prestress center support system for a steel structure and belongs to the technical field of structural engineering. The assembly prestress center support system comprises assembly truss plates, assembly columns and prestress center support members. The assembly truss plates comprise lattice truss girders and floor plates, and the lattice truss girders are equipped with angle steel web members. The assembly truss plates are prefabricated in factories and spliced with girder column nodes of the assembly columns through beam-end sealing plates at construction sites. The prestress center support members serve as lateral load resistant members to be connected with truss girders of the assembly truss plates and the bottoms or tops of the assembly columns. The assembly truss plates, the assembly columns and the prestress center support members are prefabricated in factories and assembled at construction sites through bolts.
Description
Technical field
The present invention relates to a kind of assembling type steel structure prestressing force center support system, belong to technical field of structural engineering.
Background technology
2,000,000,000 square metres of China's annual town and country newly constructed house areas wherein are the high energy consumption building more than 80%, China unit's building area energy consumption is more than 2 times of developed country.Join in a common effort meter according to Chinese steel, China's output of steel was broken through 700,000,000 tons of high pointes in 2011, was sure to occupy output of steel first place, countries in the world in continuous 16 years, and developed country's steel building area accounts for overall floorage more than 50%, and Japan accounts for 80%, and China is less than 4%.China's conduct is the country of construction scope, steel output maximum in the world, and the development of house (comprising dwelling house) steel work seriously lags behind.
At present, the system research to the high-rise steel structure dwelling house both at home and abroad is in the starting stage, and the system innovation of industrialization assembling high-rise steel structure is imperative.Adopted a large amount of welding during the construction of traditional housing building of steel-structure, speed of application is slow, and seriously polluted to environment the most important thing is that the quality of weld seam should not be controlled, and has a strong impact on the security performance of building.
Prestressed cable only is used in the beam string structure at present, does not also use in high-level structure, adopts prestressed cable as high-rise lateral resistant member realization not to be arranged also on engineering.Traditional steel frame structural system, the lateral rigidity of structure is difficult to meet the demands, be out of shape bigger, cause the destruction of non-structural element easily, the eccentric support system of the how high-rise assembling type steel structure framework of industrialization-prestressing force, increase the eccentric drag-line of horizontal and vertical prestressing force on the basis of steel frame and supported, improved the lateral rigidity of structure, improved the deformation performance of structure.
Traditional structure design with analyze, generally beam column node processing in the frame construction is become desirable rigid joint or hinged joint.Because rigid joint bearing capacity and rigidity are all very big, thereby be considered to a kind of ideal shock-resistant node form usually and the node that is widely used in the earthquake zone frame construction connects and designs.But the earthquake experience shows: the rigidity bean column node of building connects and brittle fracture in various degree occurred.Adopt the steel framed structure of welding rigid joint because of node ductility difference brittle fracture to take place easily, and difficulty of construction is also big; Though hinged joint simple structure but rigidity and energy-dissipating property are poor is unfavorable to the antidetonation of structure; Have only the semi-rigid node of connected mode simple and fast to have the two advantage concurrently, have higher strength and stiffness and ductile performance and energy-dissipating property preferably, thereby reduced earthquake to a great extent.
Summary of the invention
The present invention proposes a kind of assembling type steel structure prestressing force center support system that belongs to technical field of structural engineering.Its purpose is in the production of steel structure system and construction, with modularization, and batch production, standardization and assemblingization combine, realized batch production production, assemble fast at the scene, under the prerequisite that guarantees construction quality, improve speed of application, reduced the construction period, reduced construction costs.This structural system can the realization body steel structure frame and the Fast Installation of lateral resistant member, and can resist earthquake and wind load, has embodied the advantage of steel work.And bean column node connects the semi-rigid node of employing among the present invention, and the initial anti-side rigidity of Semi-rigid Connection Steel Frame is less, but ductility factor is bigger, and energy dissipation capacity is fine, can satisfy the design object of antidetonation under the rarely occurred earthquake effect well.
Described assembling type steel structure prestressing force center support system, this assembling type steel structure prestressing force central support is sandwich construction, every layer of structure comprises assembling truss plate, assembling column and prestressing force center support member;
Described assembling truss plate comprises lattice truss beam and the floor of being furnished with the angle steel web member, described lattice truss beam is by the beam-ends shrouding, be connected with other lattice truss beams or column, form truss slab frame construction, again floor is placed on the truss plate framework structure and connect, form assembling truss plate; Described assembling truss plate is prefabricated in the factory, and at the construction field (site) the bean column node of assembling truss plate by its beam-ends shrouding and assembling column is spliced mutually, and the assembling column adopts the bolt scene to be spliced to form multilayer truss slab frame construction at interlayer; On the basis of described truss slab frame construction, prestressing force center support member as lateral resistant member be with assembling truss plate in girder truss and the post of assembling column at the bottom of or the top be connected; Described assembling truss plate, assembling column and prestressing force center support member all are prefabricated in the factory, and assemble by bolt the job site.
Described assembling type steel structure prestressing force center support system, its assembling truss plate comprises three kinds of specifications, is respectively A plate, B plate and C plate;
Described A plate comprises the long girder of double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), it is characterized in that: double angle truss girder (14) vertically is connected by two-way column mutually with the long girder of double angle truss (13), all adopt bolt to link to each other by the node shrouding on the bean column node of beam-ends shrouding and two-way column, and the upper and lower end face of link place is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the last lower chord of double angle truss girder (14) and the long girder of double angle truss (13); The other end of double angle truss girder (14) is connected with the long girder of single angle truss (15) with the long girder of double angle truss (13) level, last lower chord and the beam-ends shrouding of the described end of double angle truss girder (14) and the long girder of single angle truss (15) end are weldingly connected respectively, and double angle truss girder (14) and the long girder of single angle truss (15) are again by the junction plate I(17 of two sections up and down) link to each other, namely the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The other end of the long girder of single angle truss (15) is connected with single angle truss secondary beam (16), the long girder of double angle truss (13) is relative with the long girder of single angle truss (15) level, single angle truss secondary beam (16) is relative with double angle truss girder (14) level, last lower chord and the beam-ends shrouding of single angle truss secondary beam (16) end and the long girder of single angle truss (15) end are weldingly connected respectively, and between single angle truss secondary beam (16) and the long girder of single angle truss (15) again by being connected two junction plate I(17 at lower chord place) be connected; Be connected by the three-phase post between single angle truss secondary beam (16) other end end and the long girder of double angle truss (13), and between single angle truss secondary beam (16) end and the long girder of double angle truss (13) by two junction plate II(18 at last lower chord place) be connected; The long girder of described double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16) constitute a rectangular frame; Two identical rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and two long girders of double angle truss (13) are positioned on the straight line, and two long girders of single angle truss (15) are positioned on the straight line; The upper and lower side of two long girders of double angle truss (13) all node shrouding by the bean column node on two relative directions of beam-ends shrouding and three-dimensional column adopts bolt to link to each other, and described two single angle truss secondary beams (16) are connected on the node shrouding on another bean column node of three-dimensional column; Truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described A plate;
Described B plate comprises double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), double angle truss girder (14) is vertical mutually with the long girder of single angle truss (15), last lower chord and the beam-ends shrouding of double angle truss girder (14) end and the long girder of single angle truss (15) end are weldingly connected respectively, and again by the junction plate I(17 of two sections up and down) link to each other, namely the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The other end of double angle truss girder (14) connects by another root single angle long girder of truss (15 ') of three-dimensional column, another root single angle long girder of truss (15 ') is relative with the long girder of single angle truss (15) level, the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15 ') all with two junction plate II(18) be weldingly connected; The two ends of single angle truss secondary beam (16) are connected to the other end of described single angle truss long girder (15) other end and the long girder of single angle truss (15 '), single angle truss secondary beam (16) is relative with double angle truss girder (14) level, and single angle truss secondary beam (16) is identical with the type of attachment of the long girder of single angle truss (15) with the long girder of single angle truss (15) type of attachment and described double angle truss girder (14); Single angle truss secondary beam (16) and the long girder of single angle truss (15 ') adopt the four-way column to be connected, the last lower chord of single angle truss secondary beam (16) and the long girder of single angle truss (15 ') all with two junction plate II(18) be weldingly connected; Described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) constitute a rectangular frame; Two identical rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and the long girder of single angle truss (15) of a rectangular frame two piece single angle truss long girders (15) relative with another length direction framework level lay respectively on the straight line; The upper and lower side of two long girders of single angle truss (15 ') all adopts bolt to link to each other by the node shrouding on the bean column node of beam-ends shrouding and four-way column, described two single angle truss secondary beams (16) are connected on the shrouding of bean column node of four-way column side by side, and truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described B plate;
Described C plate is the same with the B plated construction;
In assembling type steel structure prestressing force center support system, A plate, B plate and C plate are by arrangement mode ABCBC ... BCBCA splices, what middle ellipsis represented is a plurality of BC arrangement modes, adopts the three-dimensional column to connect at three-dimensional column place, adopts the four-way column to connect at four-way column place;
Described A plate and B plate with the alignment of A plate and B plate level, have junction plate I(17 with an end that does not connect bean column node of the double angle truss girder 14 of A plate and the double angle truss girder (14) of B plate) an end splice with bolt by the beam-ends shrouding; The single angle truss secondary beam (16) of one end of the formula that the is not linked and packed column of the single angle truss secondary beam (16) of A plate and B plate had a junction plate I(17) an end by bolt the beam-ends shrouding is spliced; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15) of A plate and the long girder of single angle truss (15) the web member upper bolt hole place of B plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of A plate and B plate;
Described B plate and C plate with the alignment of B plate and C plate level, have a junction plate II(18 with the double angle truss girder (14) of B plate) an end and the bean column node of the three-dimensional column (12) of C plate expose the node shrouding and link to each other by beam-ends shrouding employing bolt; The single angle truss secondary beam (16) of B plate had a junction plate II(18) an end and the node shrouding that exposes of the bean column node of the four-way column of C plate adopt bolt to link to each other by the beam-ends shrouding; All adopt bolt to link to each other by the node shrouding on two relative directions of bean column node of beam-ends shrouding and four-way column the upper and lower side of the long girder of single angle truss (15 ') of B plate, the other end of the long girder of single angle truss (15 ') of B plate is linked to each other by node shrouding employing bolt vertical with exposing the node shrouding on beam-ends shrouding and the C plate three-dimensional column respectively; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15 ') of B plate and the long girder of single angle truss (15) the web bolt hole place of C plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of B plate and C plate.
The connected mode of A plate and C plate is with the connected mode of A plate and B plate.
Described assembling truss plate is connected by bolt with the assembling column at the bean column node place, forms frame construction; Described prestressing force center support member is made up of prestressed cable (23) and otic placode, otic placode at the bottom of factory is connected in the post of frame construction by welding or bolt, top or girder truss (20) go up the lower chord place, prestressed cable (23) is connected by bolt at the construction field (site) with the otic placode of every story frame structure top and bottom, form Kuang Jia ?central support structure; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In the described assembling type steel structure prestressing force center support system, the girder truss that related beam mainly is made up of last lower chord and web member splicing is wherein gone up lower chord and web member and is all adopted angle steel, and web member becomes the angle of 30 degree ?, 60 degree with chord member; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section fixed range, and being convenient to becomes twin beams with bolt with two single-beam splicings when the splicing of plate and plate, and for twin beams, the connection of angle steel is used bolt to connect or used welding, all finishes in factory process;
In the described assembling type steel structure prestressing force center support system, the girder truss that related beam mainly is spliced by last lower chord, web member and gusset plate, wherein go up lower chord and use angle steel, perhaps use U-steel, perhaps user's steel pipe, web member use angle steel, web member become with chord member 30 Du ?60 angles of spending; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section fixed range, and being convenient to becomes twin beams with bolt with two single-beam splicings when the splicing of plate and plate, for twin beams, web member, go up and being connected of lower chord and gusset plate to use bolt to connect or use welding, all finish in factory process.
In the assembling type steel structure prestressing force center support system of the present invention, its assembling column (12) is made up of box post (8), junction plate (7), floor (10), shrouding (9), its bean column node has three kinds of forms, is respectively two to node, three-dimensional node and four-way node; Can be divided into the column of 3 kinds of forms according to the difference of its bean column node, be respectively two-way column, three-dimensional column and four-way column; Parallel junction plate (7) about in the of two is welded on a side of box post (8) respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of an adjacent side forms two to the node column; Two junction plates (7) are connect with box post (8) one face down bondings respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way in both sides forms three-dimensional node column in addition; Two junction plates (7) are connect with box post (8) one face down bondings respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of other three sides forms four-way node column; Wherein shrouding (9) has bolt hole, splices with bolt with end-plate on the beam; Described three kinds of assembling columns are all finished at produce in factory.
In assembling type steel structure prestressing force center support system, the splicing of assembling column (12) is welded scab (11) respectively by the inboard four sides of box post (8), scab (11) the latter half and the welding of box post, the first half has the threaded shank hole, relative with the bolt hole of another box post downside, with bolt column is spliced.
Described floor uses profiled steel sheet combination floor, perhaps reinforced concrete floor, perhaps OSB shaving board.
Beneficial effect of the present invention is that in above-mentioned assembling type steel structure prestressing force center support system, the beam that adopts all is girder truss, because the belly space of beam is bigger, is convenient to pipeline and passes, and has effectively increased the clear height in room.
Described assembling type steel structure prestressing force center support system, adopt bolt to carry out site assembly fully, traditional on-the-spot welding manner and concreting mode have been cancelled, effectively guaranteed construction quality, the environment pollution of having avoided the welding of concreting and steel to cause fully, realize the three no standards of " anhydrous, the nothing fire, dustless " of site operation, reduced the generation of hazardous accidents such as fire.And the lateral resisting system can effectively improve the lateral rigidity of structure, improves the deformation performance of structure, makes structure have bigger safety to stock.When the present invention removes at member, can recycle efficiently, reduced building waste, real realization the theory of environmental protection, be a kind of green, the steel structure system of sustainable development.
Description of drawings
Fig. 1 is assembling truss plate splicing layout plan of the present invention
Fig. 2 is that assembling truss plate of the present invention is not with gusset plate truss of angle steel beam schematic diagram
Fig. 3 is assembling truss strip gusset plate truss of angle steel beam schematic diagram of the present invention
Fig. 4 is assembling truss strip gusset plate channel-section steel girder truss schematic diagram of the present invention
Fig. 5 is assembling truss strip gusset plate square steel pipe girder truss schematic diagram of the present invention
Fig. 6 is that assembling truss plate of the present invention two is to the bean column node schematic diagram
Fig. 7 is assembling truss plate three-dimensional bean column node schematic diagram of the present invention
Fig. 8 is assembling truss plate four-way bean column node schematic diagram of the present invention
Fig. 9 is assembling column splicing schematic diagram of the present invention
Figure 10 is assembling truss plate A of the present invention unit exploded view
Figure 11 is assembling truss plate A on-site consolidation figure of the present invention
Figure 12 is that assembling truss plate A unit splicing of the present invention is finished figure
Figure 13 is assembling truss plate B of the present invention unit exploded view
Figure 14 is assembling truss plate B on-site consolidation figure of the present invention
Figure 15 is that assembling truss plate B unit splicing of the present invention is finished figure
Figure 16 is assembling truss plate C of the present invention unit exploded view
Figure 17 is assembling truss plate C on-site consolidation figure of the present invention
Figure 18 is that assembling truss plate C unit splicing of the present invention is finished figure
Figure 19 is that assembling truss plate A of the present invention, B and C unit splicing are finished figure
Figure 20 is assembling truss plate node J1 exploded view in the accompanying drawing of the present invention
Figure 21 is assembling truss plate node J2 exploded view in the accompanying drawing of the present invention
Figure 22 is assembling truss plate node J3 exploded view in the accompanying drawing of the present invention
Figure 23 is assembling truss plate node J4 exploded view in the accompanying drawing of the present invention
Figure 24 is assembling truss plate node J5 exploded view in the accompanying drawing of the present invention
Figure 25 is assembling truss plate node J6 exploded view in the accompanying drawing of the present invention
Figure 26 is assembling truss plate node J7 exploded view in the accompanying drawing of the present invention
Figure 27 is assembling truss plate node J8 exploded view in the accompanying drawing of the present invention
Figure 28 is assembling truss plate assembly node J9 exploded view in the accompanying drawing of the present invention
Figure 29 is assembling truss plate assembly node J10 exploded view in the accompanying drawing of the present invention
Figure 30 is assembling truss plate assembly node J11 exploded view in the accompanying drawing of the present invention
Figure 31 is assembling truss plate assembly node J12 exploded view in the accompanying drawing of the present invention
Figure 32 is assembling type steel structure prestressing force central cross X-shape support frame system schematic diagram of the present invention
Figure 33 is assembling type steel structure prestressing force of the present invention center monocline bar-Type supporting framework system schematic diagram
Figure 34 is assembling type steel structure prestressing force of the present invention center herringbone support frame system schematic diagram
Figure 35 is assembling type steel structure prestressing force of the present invention center V font support frame system schematic diagram
Figure 36 is assembling type steel structure prestressing force of the present invention center two-way monocline bar-Type supporting framework system schematic diagram
Figure 37 is the connected node detail drawing of assembling type steel structure prestressing force central support attaching lug plate I of the present invention and prestressed cable
Figure 38 is the connected node detail drawing of assembling type steel structure prestressing force central support attaching lug plate II of the present invention and prestressed cable
Figure 39 is the connected node detail drawing of assembling type steel structure prestressing force central support attaching lug plate of the present invention and assembling column
Figure 40, individual layer assembling type steel structure prestressing force central support structure schematic diagram of the present invention.
Lower chord I, 2. web member I, 3. gusset plate on 1. among the figure, 4. web member II 5. goes up lower chord II, 6. goes up lower chord III, 7. gusset plate, 8. box post, 9. node shrouding, 10. node floor, 11. post scabs, 12. assembling columns, 13. the long girder of double angle truss, 14. double angle truss girders, the long girder of 15. single angle truss, 15 '. the long girder of single angle truss, 16. single angle truss secondary beam, 17. junction plate I (triangle), 18. junction plate II(are trapezoidal), 19. floor, 20. girder truss, 21. adapter sleeves, 22. otic placode I, 23. prestressed cable, 24. otic placode II.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing:
As shown in Figure 1, the stitching position of assembling truss plate of the present invention is arranged on the middle part of girder, and this position shearing is relative with moment of flexure less, and from the angle of structural mechanics, arranging of stitching position is reasonable.
As shown in Figure 2, in the assembling type steel structure prestressing force center support system of the present invention, the girder truss that related beam is made up of angle splice joint, comprise lower chord I(1), web member I(2), wherein go up lower chord I(1) and web member I(2) angle steel all adopted, and be divided into single angle beam and double angle beam, the single angle beam arranges connecting hole every one section fixed range, being convenient to becomes the double angle beam with bolt with two single angle beam splicings when the splicing of plate and plate, for the double angle beam, the connection of angle steel is used bolt to connect or is used welding, all finishes in factory process;
As shown in Figure 3, perhaps use the girder truss of being formed by angle steel and gusset plate splicing, comprise lower chord I(1), web member II(4) and gusset plate (3), wherein go up lower chord I(1) and web member II(4) angle steel all adopted, and be divided into single angle beam and double angle beam, the single angle beam arranges connecting hole every one section fixed range, being convenient to becomes the double angle beam with bolt with two single angle beam splicings when the splicing of plate and plate, for the double angle beam, being connected of angle steel and gusset plate uses bolt to connect or the use welding, all finishes in factory process;
As shown in Figure 4, perhaps use by angle steel, the girder truss that channel-section steel and gusset plate splicing are formed, comprise lower chord II(5), web member II(4) and gusset plate (3), wherein go up lower chord II(5) the employing channel-section steel, web member II(4) adopts angle steel, and be divided into single steel channel beam and double flute girder steel, single steel channel beam arranges connecting hole every one section fixed range, being convenient to becomes the double flute girder steel with bolt with two single steel channel beam splicings when the splicing of plate and plate, for the double flute girder steel, angle steel, being connected of channel-section steel and gusset plate uses bolt to connect, and perhaps uses welding, all finishes in factory process;
As shown in Figure 5, perhaps use by angle steel, the girder truss that square steel pipe and gusset plate splicing are formed, comprise lower chord III(6), web member II(4) and gusset plate (3), wherein go up lower chord III(6) the employing square steel pipe, web member II(4) adopts angle steel, and be divided into folk prescription steel tubular beam and both sides' steel tubular beam, the folk prescription steel tubular beam arranges connecting hole every one section fixed range, being convenient to becomes both sides' steel tubular beam with bolt with two folk prescription steel tubular beam splicings when the splicing of plate and plate, for both sides' steel tubular beam, angle steel, being connected of square steel pipe and gusset plate uses bolt to connect, and perhaps uses welding, all finishes in factory process;
For above four kinds of beam section forms, single-beam has good rigidity and stability by the connecting method that bolt is spliced into twin beams.Because the belly space of girder truss is bigger, is convenient to pipeline and passes, and has effectively increased the clear height in room.In the assembling type steel structure prestressing force center support system of the present invention, as accompanying drawing 6 ?shown in 8, its assembling column is by box post (8), junction plate (7), floor (10), shrouding (9) is formed, its bean column node has three kinds of forms, is respectively two to node, three-dimensional node and four-way node; Can be divided into the column of 3 kinds of forms according to the difference of its bean column node, be respectively two-way column, three-dimensional column and node column; Parallel junction plate (7) about in the of two is welded on box post (8) one sides respectively, between two junction plates twice floor (10) is being welded on the box post (8) then, and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of an adjacent side forms two to the node column; Two junction plates (7) are connect with box post (8) one face down bondings respectively, between two junction plates twice floor (10) is being welded on the box post (8) then, and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way in both sides forms three-dimensional node column in addition; Two junction plates (7) are connect with box post (8) one face down bondings respectively, between two junction plates twice floor (10) is being welded on the box post (8) then, and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of other three sides forms four-way node column; Wherein shrouding (9) has bolt hole, splices with bolt with end-plate on the beam; Described three kinds of assembling columns are all finished at produce in factory.
In assembling type steel structure prestressing force center support system, as shown in Figure 9, the splicing of described assembling column (12) is welded scab (11) respectively by the inboard four sides of box post (8), scab (11) the latter half and the welding of box post, the first half has the threaded shank hole, relative with the bolt hole of another box post downside, with bolt column is spliced.
In assembling type steel structure prestressing force center support system, as accompanying drawing 10 ?shown in 12, described A plate comprises the long girder of double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), it is characterized in that: double angle truss girder (14) is vertical mutually with the long girder of double angle truss (13), and all adopt bolt to link to each other by the node shrouding on the bean column node of beam-ends shrouding and two-way column, and the upper and lower end face of junction place is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the last lower chord of double angle truss girder (14) and the long girder of double angle truss (13); The other end of double angle truss girder (14) is connected with the long girder of single angle truss (15) with the long girder of double angle truss (13) level, last lower chord and the beam-ends shrouding of the described end of double angle truss girder (14) and the long girder of single angle truss (15) end are weldingly connected respectively, and double angle truss girder (14) and the long girder of single angle truss (15) are again by the junction plate I(17 of two sections up and down) link to each other, and the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; Single angle truss secondary beam (16) is connected the other end of the long girder of described double angle truss (13) and the long girder of single angle truss (15), relative with double angle truss girder (14) level, last lower chord and the beam-ends shrouding of single angle truss secondary beam (16) one end ends and the long girder of single angle truss (15) the other end are weldingly connected respectively, and between single angle truss secondary beam (16) and the long girder of single angle truss (15) again by being connected two junction plate I(17 at lower chord place) be connected; Between single angle truss secondary beam (16) other end end and the long girder of double angle truss (13) by being connected two junction plate II(18 at lower chord place) be connected; The long girder of described double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16) constitute a rectangular frame; Described two rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and two long girders of double angle truss (13) are positioned on the straight line, and two long girders of single angle truss (15) are positioned on the straight line; The upper and lower side of two long girders of double angle truss (13) all adopts bolt to link to each other by the node shrouding on two relative directions of bean column node of beam-ends shrouding and three-dimensional column, and described two single angle truss secondary beams (16) are connected on the node shrouding vertical with described both direction on the bean column node of three-dimensional column; Truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described A plate;
In assembling type steel structure prestressing force center support system, as accompanying drawing 16 ?shown in 18, described B plate comprises double angle truss girder (14), the long girder of single angle truss (15) and (15 '), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), double angle truss girder (14) is vertical mutually with the long girder of single angle truss (15), last lower chord and the beam-ends shrouding of double angle truss girder (14) end and the long girder of single angle truss (15) end are weldingly connected respectively, and again by the junction plate I(17 of two sections up and down) link to each other, and the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The other end of double angle truss girder (14) is by the junction plate II(18 of two sections up and down) be connected with another root single angle long girder of truss (15 ') with the long girder of described single angle truss (15) level, and the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15 ') all with two junction plate II(18) be weldingly connected; The two ends of single angle truss secondary beam (16) are connected to the other end of described single angle truss long girder (15) other end and the long girder of single angle truss (15 '), relative with double angle truss girder (14) level, the type of attachment of the type of attachment of single angle truss secondary beam (16) and two long girders of single angle truss (15) and (15 ') and described double angle truss girder (14) and two long girders of single angle truss (15) and (15 ') is identical; Described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) constitute a rectangular frame; Two identical rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and the long girder of single angle truss (15) of a rectangular frame two piece single angle truss long girders (15) relative with another length direction framework level lay respectively on the straight line; Truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described B plate;
In assembling type steel structure prestressing force center support system, as accompanying drawing 16 ?shown in 18, described C plate comprises double angle truss girder (14), the long girder of single angle truss (15) and (15 '), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), double angle truss girder (14) is vertical mutually with the long girder of single angle truss (15 '), and all adopt bolt to link to each other by two on the bean column node of beam-ends shrouding and three-dimensional column adjacent node shroudings, and the upper and lower end face of junction place is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15 '); The other end of double angle truss girder (14) is by being welded to connect another the long girder of root single angle truss (15) with the long girder of single angle truss (15 ') level, last lower chord and the beam-ends shrouding of double angle truss girder (14) end and this long girder of root single angle truss (15) end are weldingly connected respectively, and double angle truss girder (14) and the long girder of single angle truss (15) are again by the junction plate I(17 of two sections up and down) link to each other, and the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The two ends of single angle truss secondary beam (16) are connected the other end of the described long girder of single angle truss (the 15 ') other end and the long girder of single angle truss (15), single angle truss secondary beam (16) is relative with double angle truss girder (14) level, last lower chord and the beam-ends shrouding of single angle truss secondary beam (16) one end ends and the long girder of single angle truss (15 ') the other end are weldingly connected respectively, and between single angle truss secondary beam (16) and the long girder of single angle truss (15 ') again by being connected two junction plate I(17 at lower chord place) be connected; Between single angle truss secondary beam (16) other end end and the long girder of single angle truss (15) by being connected two junction plate II(18 at lower chord place) be connected; Described double angle truss girder (14), the long girder of single angle truss (15), the long girder of single angle truss (15 ') and single angle truss secondary beam (16) constitute a rectangular frame; Described two rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and the long girder of single angle truss (15) of the long girder of single angle truss (15) of a rectangular frame and another length direction framework lays respectively on the straight line; The upper and lower side of two long girders of single angle truss (15 ') all adopts bolt to link to each other by the node shrouding on two relative directions of bean column node of beam-ends shrouding and four-way column, and described two single angle truss secondary beams (16) are connected on the shrouding of bean column node of four-way column side by side; Truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described C plate;
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 19, described A plate and B plate, with the alignment of A plate and B plate level, an end that does not connect bean column node of the double angle truss girder 14 of A plate and the double angle truss girder (14) of B plate are had junction plate I(17) an end splice with bolt by the beam-ends shrouding; The single angle truss secondary beam (16) of one end of the formula that the is not linked and packed column of the single angle truss secondary beam (16) of A plate and B plate had a junction plate I(17) an end by bolt the beam-ends shrouding is spliced; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15) of A plate and the long girder of single angle truss (15) the web member upper bolt hole place of B plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of A plate and B plate;
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 19, described B plate and C plate, with the alignment of B plate and C plate level, the double angle truss girder (14) of B plate had a junction plate II(18) an end and the bean column node of the three-dimensional column (12) of C plate expose the node shrouding and link to each other by beam-ends shrouding employing bolt; The single angle truss secondary beam (16) of B plate had a junction plate II(18) an end and the node shrouding that exposes of the bean column node of the four-way column of C plate adopt bolt to link to each other by the beam-ends shrouding; All adopt bolt to link to each other by the node shrouding on two relative directions of bean column node of beam-ends shrouding and four-way column the upper and lower side of the long girder of single angle truss (15 ') of B plate, the other end of the long girder of single angle truss (15 ') of B plate is linked to each other by node shrouding employing bolt vertical with exposing the node shrouding on beam-ends shrouding and the C plate three-dimensional column respectively; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15 ') of B plate and the long girder of single angle truss (15) the web bolt hole place of C plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of B plate and C plate.
The connected mode of A plate and C plate is with the connected mode of A plate and B plate.
In sum, the whole floor of A, B, C splicing has node 9, node 10,12 4 kinds of different joint forms of node 11 and node in splicing place, wherein node 9 and node 10 places can the splicing node up and down overlay to strengthen node rigidity.
In above-mentioned assembling type steel structure prestressing force center support system, shown in accompanying drawing 20 ?27, made the exploded detail of assembling truss plate node 1-8 respectively; As accompanying drawing 28 ?shown in 31, made the exploded detail of assembling truss plate node 9-12 respectively;
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 35, its cruciform shape lateral resistant member is by prestressed cable (23), adapter sleeve (21) and otic placode I(22) form; Otic placode I(22) be connected in column bottom and top, prestressed cable (23) and otic placode I(22 by welding or bolt) be connected by bolt; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 33, its monocline rod-type lateral resistant member is by prestressed cable (23), adapter sleeve (21) and otic placode I(22) form; Otic placode I(22) be connected in column bottom and top, prestressed cable (23) and otic placode I(22 by welding or bolt) be connected by bolt; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 32, its herringbone lateral resistant member is by prestressed cable (23), adapter sleeve (21), otic placode I(22) and otic placode II(24) form; Otic placode I(22) be connected on the column bottom prestressed cable (23) and otic placode I(22 by welding or bolt) be connected by bolt; Otic placode II(24) be connected on the girder truss (20) prestressed cable (23) and otic placode II(24 by welding or bolt) be connected by bolt; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 34, its V font lateral resistant member is by prestressed cable (23), adapter sleeve (21), otic placode I(22) and otic placode II(24) form; Otic placode I(22) be connected in column bottom and top, prestressed cable (23) and otic placode I(22 by welding or bolt) be connected by bolt; Otic placode II(24) be connected on the girder truss (20) prestressed cable (23) and otic placode II(24 by welding or bolt) be connected by bolt; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In the assembling type steel structure prestressing force center support system of the present invention, as shown in Figure 36, its two-way monocline rod-type lateral resistant member is by prestressed cable (23), adapter sleeve (21) and otic placode I(22) form; Otic placode I(22) be connected in column bottom and top, prestressed cable (23) and otic placode I(22 by welding or bolt) be connected by bolt; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened; Described prestressed cable is the high strength rod iron, perhaps uses high strength steel strand, high strength shaped steel member, perhaps uses high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
In above-mentioned assembling type steel structure prestressing force center support system, shown in accompanying drawing 37 ?39, made the exploded detail at otic placode and cable body connected node place respectively.
Claims (7)
1. an assembling type steel structure prestressing force center support system is characterized in that, this assembling type steel structure prestressing force central support is sandwich construction, and every layer of structure comprises assembling truss plate, assembling column and prestressing force center support member;
Described assembling truss plate comprises lattice truss beam and the floor of being furnished with the angle steel web member, described lattice truss beam is by the beam-ends shrouding, be connected with other lattice truss beams or column, form truss slab frame construction, again floor is placed on the truss plate framework structure and connect, form assembling truss plate; Described assembling truss plate is prefabricated in the factory, and at the construction field (site) the bean column node of assembling truss plate by its beam-ends shrouding and assembling column is spliced mutually, and the assembling column adopts the bolt scene to be spliced to form multilayer truss slab frame construction at interlayer; On the basis of described truss slab frame construction, prestressing force center support member as lateral resistant member be with assembling truss plate in girder truss and the post of assembling column at the bottom of or the top be connected; Described assembling truss plate, assembling column and prestressing force center support member all are prefabricated in the factory, and assemble by bolt the job site.
2. according to a kind of assembling type steel structure prestressing force center support system of claim 1, it is characterized in that assembling truss plate comprises three kinds of specifications, be respectively A plate, B plate and C plate;
Described A plate comprises the long girder of double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), it is characterized in that: double angle truss girder (14) vertically is connected by two-way column mutually with the long girder of double angle truss (13), all adopt bolt to link to each other by the node shrouding on the bean column node of beam-ends shrouding and two-way column, and the upper and lower end face of link place is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the last lower chord of double angle truss girder (14) and the long girder of double angle truss (13); The other end of double angle truss girder (14) is connected with the long girder of single angle truss (15) with the long girder of double angle truss (13) level, last lower chord and the beam-ends shrouding of the described end of double angle truss girder (14) and the long girder of single angle truss (15) end are weldingly connected respectively, and double angle truss girder (14) and the long girder of single angle truss (15) are again by the junction plate I(17 of two sections up and down) link to each other, namely the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The other end of the long girder of single angle truss (15) is connected with single angle truss secondary beam (16), the long girder of double angle truss (13) is relative with the long girder of single angle truss (15) level, single angle truss secondary beam (16) is relative with double angle truss girder (14) level, last lower chord and the beam-ends shrouding of single angle truss secondary beam (16) end and the long girder of single angle truss (15) end are weldingly connected respectively, and between single angle truss secondary beam (16) and the long girder of single angle truss (15) again by being connected two junction plate I(17 at lower chord place) be connected; Be connected by the three-phase post between single angle truss secondary beam (16) other end end and the long girder of double angle truss (13), and between single angle truss secondary beam (16) end and the long girder of double angle truss (13) by two junction plate II(18 at last lower chord place) be connected; The long girder of described double angle truss (13), double angle truss girder (14), the long girder of single angle truss (15), single angle truss secondary beam (16) constitute a rectangular frame; Two identical rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and two long girders of double angle truss (13) are positioned on the straight line, and two long girders of single angle truss (15) are positioned on the straight line; The upper and lower side of two long girders of double angle truss (13) all node shrouding by the bean column node on two relative directions of beam-ends shrouding and three-dimensional column adopts bolt to link to each other, and described two single angle truss secondary beams (16) are connected on the node shrouding on another bean column node of three-dimensional column; Truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described A plate;
Described B plate comprises double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16), junction plate I(17), junction plate II(18) and floor (19), double angle truss girder (14) is vertical mutually with the long girder of single angle truss (15), last lower chord and the beam-ends shrouding of double angle truss girder (14) end and the long girder of single angle truss (15) end are weldingly connected respectively, and again by the junction plate I(17 of two sections up and down) link to each other, namely the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two junction plate I(17) be weldingly connected; The other end of double angle truss girder (14) connects by another root single angle long girder of truss (15 ') of three-dimensional column, another root single angle long girder of truss (15 ') is relative with the long girder of single angle truss (15) level, the last lower chord of double angle truss girder (14) and the long girder of single angle truss (15 ') all with two junction plate II(18) be weldingly connected; The two ends of single angle truss secondary beam (16) are connected to the other end of described single angle truss long girder (15) other end and the long girder of single angle truss (15 '), single angle truss secondary beam (16) is relative with double angle truss girder (14) level, and single angle truss secondary beam (16) is identical with the type of attachment of the long girder of single angle truss (15) with the long girder of single angle truss (15) type of attachment and described double angle truss girder (14); Single angle truss secondary beam (16) and the long girder of single angle truss (15 ') adopt the four-way column to be connected, the last lower chord of single angle truss secondary beam (16) and the long girder of single angle truss (15 ') all with two junction plate II(18) be weldingly connected; Described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) constitute a rectangular frame; Two identical rectangular frames connect and compose the under(-)chassis of a splicing; Single angle truss secondary beam (16) alignment in two rectangular frames also connects by bolt, and the long girder of single angle truss (15) of a rectangular frame two piece single angle truss long girders (15) relative with another length direction framework level lay respectively on the straight line; The upper and lower side of two long girders of single angle truss (15 ') all adopts bolt to link to each other by the node shrouding on the bean column node of beam-ends shrouding and four-way column, described two single angle truss secondary beams (16) are connected on the shrouding of bean column node of four-way column side by side, and truss slab frame construction links to each other with two floors (19) by girder truss upper chord top anchoring piece; All prefabricated and assemblings in factory of all members of described B plate;
Described C plate is the same with the B plated construction;
In assembling type steel structure prestressing force center support system, A plate, B plate and C plate are by arrangement mode ABCBC ... BCBCA splices, what middle ellipsis represented is a plurality of BC arrangement modes, connect by welding or screw between the AB, adopt the three-dimensional column to connect at three-dimensional column place, adopt the four-way column to connect at four-way column place;
Assembling column (12) is made up of box post (8), junction plate (7), floor (10), shrouding (9), and its bean column node has three kinds of forms, is respectively two to node, three-dimensional node and four-way node; Can be divided into the column of 3 kinds of forms according to the difference of its bean column node, be respectively two-way column, three-dimensional column and four-way column; Parallel junction plate (7) about in the of two is welded on a side of box post (8) respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of an adjacent side forms two to the node column; Two junction plates (7) are connect with box post (8) one face down bondings respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way in both sides forms three-dimensional node column in addition; Two junction plates (7) are connect with box post (8) one face down bondings respectively, then between two junction plates with on twice floor (10) welding and the box post (8), and junction plate (7) welded mutually with floor (10) and a shrouding (9), box post (8) thus the same way of other three sides forms four-way node column; Wherein shrouding (9) has bolt hole, splices with bolt with end-plate on the beam;
The girder truss that related beam mainly is made up of last lower chord and web member splicing is wherein gone up lower chord and web member and is all adopted angle steel, and web member becomes the angle of 30 degree ?, 60 degree with chord member; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section fixed range, and being convenient to becomes twin beams with bolt with two single-beam splicings when the splicing of plate and plate, and for twin beams, the connection of angle steel is used bolt to connect or used welding;
Perhaps the girder truss that mainly is spliced by last lower chord, web member and gusset plate of related beam is wherein gone up lower chord and is used angle steel, perhaps uses U-steel, perhaps user's steel pipe, and web member uses angle steel, web member becomes 30 degree ?60 to spend with chord member angle; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section fixed range, being convenient to when the splicing of plate and plate becomes twin beams with bolt with two single-beams splicings, for twin beams, web member, goes up and being connected of lower chord and gusset plate uses bolt to connect or use welding.
3. according to a kind of assembling type steel structure prestressing force center support system of claim 2, it is characterized in that, when A plate, B plate and C plate splice, described A plate and B plate, with the alignment of A plate and B plate level, an end that does not connect bean column node of the double angle truss girder 14 of A plate and the double angle truss girder (14) of B plate are had junction plate I(17) an end splice with bolt by the beam-ends shrouding; The single angle truss secondary beam (16) of one end of the formula that the is not linked and packed column of the single angle truss secondary beam (16) of A plate and B plate had a junction plate I(17) an end by bolt the beam-ends shrouding is spliced; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15) of A plate and the long girder of single angle truss (15) the web member upper bolt hole place of B plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of A plate and B plate;
Described B plate and C plate with the alignment of B plate and C plate level, have a junction plate II(18 with the double angle truss girder (14) of B plate) an end and the bean column node of the three-dimensional column (12) of C plate expose the node shrouding and link to each other by beam-ends shrouding employing bolt; The single angle truss secondary beam (16) of B plate had a junction plate II(18) an end and the node shrouding that exposes of the bean column node of the four-way column of C plate adopt bolt to link to each other by the beam-ends shrouding; All adopt bolt to link to each other by the node shrouding on two relative directions of bean column node of beam-ends shrouding and four-way column the upper and lower side of the long girder of single angle truss (15 ') of B plate, the other end of the long girder of single angle truss (15 ') of B plate is linked to each other by node shrouding employing bolt vertical with exposing the node shrouding on beam-ends shrouding and the C plate three-dimensional column respectively; Single-beam is spliced every one section fixed range by bolt at the long girder of single angle truss (15 ') of B plate and the long girder of single angle truss (15) the web bolt hole place of C plate, make two single-beams be connected to become twin beams; Thereby finish the splicing of B plate and C plate.
The connected mode of A plate and C plate is with the connected mode of A plate and B plate.
4. according to a kind of assembling type steel structure prestressing force center support system of claim 2, it is characterized in that, the splicing of assembling column (12) is welded scab (11) respectively by the inboard four sides of box post (8), scab (11) the latter half and the welding of box post, the first half has the threaded shank hole, relative with the bolt hole of another box post downside, with bolt column is spliced.
5. according to a kind of assembling type steel structure prestressing force center support system of claim 2, it is characterized in that described assembling truss plate is connected by bolt with the assembling column at the bean column node place, form frame construction; Described prestressing force center support member is made up of prestressed cable (23) and otic placode, otic placode at the bottom of being connected in the post of frame construction by welding or bolt, top or girder truss (20) go up the lower chord place, prestressed cable (23) is connected by bolt at the construction field (site) with the otic placode of every story frame structure top and bottom, form Kuang Jia ?central support structure; Prestressed cable (23) applies prestressing force by adapter sleeve (21) is tightened.
6. according to a kind of assembling type steel structure prestressing force center support system of claim 5, it is characterized in that, described prestressed cable is the high strength rod iron, perhaps use high strength steel strand, high strength shaped steel member, perhaps use high strength rod iron, high strength steel strand or the high strength shaped steel member of band damper.
7. according to a kind of assembling type steel structure prestressing force center support system of claim 2, it is characterized in that described floor uses profiled steel sheet combination floor, perhaps reinforced concrete floor, perhaps OSB shaving board.
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| CN110130558A (en) * | 2019-06-03 | 2019-08-16 | 上海欧本钢结构有限公司 | Square formed fences system and construction method made of steel secondary beam and truss arranged crosswise |
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Application publication date: 20130710 |