CN103290920B - A kind of assembling type steel structure center support frame system - Google Patents
A kind of assembling type steel structure center support frame system Download PDFInfo
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- CN103290920B CN103290920B CN201310105485.6A CN201310105485A CN103290920B CN 103290920 B CN103290920 B CN 103290920B CN 201310105485 A CN201310105485 A CN 201310105485A CN 103290920 B CN103290920 B CN 103290920B
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Abstract
A kind of assembling type steel structure center support frame system, belong to technical field of structural engineering, comprise assembling truss plate, assembling column and center support component, described assembling truss plate comprises the lattice truss beam and floor of being furnished with angle steel web member; Described assembling truss plate is prefabricated in the factory, and is mutually spliced by the bean column node of assembling truss plate by its beam-ends shrouding and assembling column at the construction field (site), and described assembling column adopts bolt scene to be spliced to form composite steel frame construction at interlayer; On the basis of described steel framed structure, heart supporting member is at the bottom of the post with the girder truss in assembling truss plate and assembling column as lateral resistant member or top is connected; Described assembling truss plate, assembling column and center support component are all prefabricated in the factory, and job site is assembled by bolt.
Description
Technical field
The present invention relates to a kind of assembling type steel structure center support frame system, belong to technical field of structural engineering.
Background technology
Join in a common effort meter according to Chinese steel, within 2011, China's output of steel breaks through 700,000,000 tons of high pointes, and within continuous 16 years, be sure to occupy countries in the world output of steel the first, 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 is as the maximum country of construction scope in the world, steel output, and the development of house (comprising house) steel work is seriously delayed.China's annual town and country newly constructed house area 2,000,000,000 square metres, wherein more than 80% is high energy consumption building, and unit of China building area energy consumption is more than 2 times of developed country.
At present, be in the starting stage both at home and abroad to the system research of high-rise steel structure house, the system innovation of industrialization assembling high-rise steel structure is imperative.Have employed a large amount of welding during traditional housing building of steel-structure construction, speed of application is slow, seriously polluted to environment, the most important thing is that the quality of weld seam should not control, has a strong impact on the security performance of building.
Traditional steel frame structural system, the lateral rigidity of structure is difficult to meet the demands, and distortion is comparatively large, easily causes the destruction of non-structural element, does not play the superiority of steel house completely.The how high-rise assembling type steel structure framework-center support system of industrialization is based on module design, component standardization, industrialization is promoted with standardization, the basic development principle of industrialization is promoted with industrialization, the basis of steel frame adds horizontal and vertical center support, improve the lateral rigidity of structure, improve the deformation performance of structure.
Traditional structure design with analyze, generally frame construction beam-column node processing is become desirable rigid joint or hinged joint.Because rigid joint bearing capacity and rigidity are all very large, are thus usually considered to a kind of ideal shock-resistant node form and are widely used in the node connection design of earthquake zone frame construction.But earthquake experience shows: the reinforcing beam Column border node of building connects and occurred brittle fracture in various degree.Adopt the steel framed structure of welding rigid joint, because of ductility of joint difference, brittle fracture easily occurs, and difficulty of construction is also large; Though hinged joint simple structure but rigidity and energy-dissipating property poor, unfavorable to the antidetonation of structure; Only have the structures with semi-rigid joints of connected mode simple and fast to have the two advantage concurrently, there is higher strength and stiffness and ductile performance and energy-dissipating property preferably, thus reduce earthquake to a great extent.
Summary of the invention
The present invention proposes a kind of assembling type steel structure center support frame system belonging to technical field of structural engineering.Its object is in the production and construction of steel structure system, by modularization, batch production, standardization and assemblingization combine, achieve factorial praluction, on-the-spot quick assembling, under the prerequisite ensureing construction quality, improve speed of application, decrease the construction period, reduce construction costs.This structural system can the Fast Installation of realization body steel structure frame and lateral resistant member, and can resist earthquake and wind load, embodies the advantage of steel work.And beam-column node of the present invention connects employing structures with semi-rigid joints, and the initial anti-side rigidity of Semi-rigid Connection Steel Frame is less, but ductility factor is comparatively large, and energy dissipation capacity is fine, can meet the design object of antidetonation under rarely occurred earthquake effect well.
Described assembling type steel structure center support frame system, this assembling type steel structure central support is sandwich construction, and every Rotating fields comprises assembling truss plate, assembling column and center support component;
Described assembling truss plate comprises the lattice truss beam and floor of being furnished with angle steel web member, described lattice truss beam is by beam-ends shrouding, with other lattice truss beams or assemble column and be connected, form truss slab frame construction, again floor to be placed in truss plate framework structure and to connect, forming assembling truss plate; Described assembling truss plate is prefabricated in the factory, and is mutually spliced by the bean column node of assembling truss plate by its beam-ends shrouding and assembling column at the construction field (site), and assembling column adopts bolt scene to be spliced to form multilayer truss slab frame construction at interlayer; On the basis of described truss slab frame construction, center support component is at the bottom of the post with the girder truss in assembling truss plate and assembling column as lateral resistant member or top is connected; Described assembling truss plate, assembling column and center support component are all prefabricated in the factory, and job site is assembled by bolt.
Described assembling type steel structure center support frame 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) is mutually vertical with the long girder of double angle truss (13), and scene all adopts bolt to be connected by beam-ends shrouding with the node shrouding on the bean column node of two-way column, and the upper and lower end face place of junction is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the top-bottom 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 single angle truss long girder (15) relative with the long girder of double angle truss (13) level, top-bottom chord and the beam-ends shrouding of double angle truss girder (14) described end 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 upper and lower two sections) be connected, and the top-bottom chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two pieces of junction plate I(17) be weldingly connected, single angle truss secondary beam (16) is connected to the described long girder of double angle truss (13) and the other end of the long girder of single angle truss (15), relative with double angle truss girder (14) level, top-bottom chord and the beam-ends shrouding of single angle truss secondary beam (16) end, one end and the long girder of single angle truss (15) the other end are weldingly connected respectively, and are connected by two the junction plate I (17) being connected to top-bottom chord place between single angle truss secondary beam (16) with the long girder of single angle truss (15) again, by being connected to two junction plate II(18 at top-bottom chord place between single angle truss secondary beam (16) other end end with the long girder of double angle truss (13)) be connected, the described 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) form a rectangular frame, two described rectangular frames carry out the under(-)chassis connecting and composing a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected by bolt, and two long girders of double angle truss (13) are positioned on straight line, two long girders of single angle truss (15) are positioned on straight line, two long girders of double angle truss (13) be adopt bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of three-dimensional column, two described single angle truss secondary beams (16) be connected on the bean column node of three-dimensional column with on the node shrouding of two vertical direction, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described A plate,
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 mutually vertical with the long girder of single angle truss (15), top-bottom 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 upper and lower two sections) be connected, the top-bottom chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two pieces of junction plate I(17) be weldingly connected, the other end of double angle truss girder (14) is by the junction plate II(18 of upper and lower two sections) be connected with the long girder (15 ') of another root single angle truss with described single angle truss long girder (15) level, and the top-bottom chord of double angle truss girder (14) and the long girder (15 ') of single angle truss all with two pieces of junction plate II(18) be weldingly connected, the two ends of single angle truss secondary beam (16) are connected to the other end of the described long girder of single angle truss (15) other end and the long girder (15 ') of single angle truss, single angle truss secondary beam (16) is relative with double angle truss girder (14) level, single angle truss secondary beam (16) is connected with four-way column by beam-ends shrouding with two long girders (15 ') of single angle truss, and single angle truss secondary beam (16) and two single angle truss long girder (15 ') top-bottom chords all with two pieces of junction plate II(18) be weldingly connected, form is spliced with the connecting method of double angle truss girder (14) with the long girder of single angle truss (15) in single angle truss secondary beam (16) and the company of the long girder of single angle truss (15), and described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) form a rectangular frame, two identical rectangular frames carry out the under(-)chassis being spliced to form a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected 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 straight line, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described B plate,
Described C plate is identical with B plate;
In assembling type steel structure prestressing force center support system, A plate, B plate and C plate are by arrangement mode ABCBC ... BCBCA splices, and what middle ellipsis represented is multiple BC arrangement modes; Adopt at three-dimensional column place three-dimensional column to connect, adopt at four-way column place four-way column to connect.
Described A plate and B plate, by A plate and B plate level alignment, the double angle truss girder (14) of one end of tie-beam Column border node and B plate that do not have of the double angle truss girder (14) of A plate is had junction plate I(17) one end spliced by beam-ends shrouding bolt; One end of the formula that is not the linked and packed column of the single angle truss secondary beam (16) of A plate and the single angle truss secondary beam (16) of B plate had junction plate I(17) one end by bolt, beam-ends shrouding is spliced; By bolt, single-beam is spliced every one section of fixed range 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 panels single-beam be connected to become twin beams; Thus complete the splicing of A plate and B plate;
Described B plate and C plate, by B plate and the alignment of C plate level, have junction plate II(18 by the double angle truss girder (14) of B plate) one end expose node shrouding with the bean column node of the three-dimensional column (12) of C plate and adopt bolt to be connected by beam-ends shrouding; The single angle truss secondary beam (16) of B plate had junction plate II(18) one end adopt bolt to be connected with the node shrouding that exposes of the bean column node of the four-way column of C plate by beam-ends shrouding; All adopting bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of four-way column the upper and lower side of long for the single angle truss of B plate girder (15 '), adopting bolt to be connected respectively by beam-ends shrouding with node shrouding vertical with exposing node shrouding on C plate three-dimensional column the other end of the long girder of the single angle truss (15 ') of B plate; By bolt, single-beam is spliced every one section of fixed range at the long girder of the 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 panels single-beam be connected to become twin beams; Thus complete the splicing of B plate and C plate;
The connecting method of A plate and C plate is with the connecting method of A plate and B plate.
Above-mentioned junction plate I(17) be triangular structure, junction plate II(18) be trapezium structure.
Described assembling type steel structure center support frame system, its assembling truss plate is connected by bolt with assembling column at bean column node place, and assembling column adopts the splicing of bolt scene at interlayer, forms multistory frame structure; Described center support component is made up of diagonal brace (21) and cantilever lever, cantilever lever in factory by being welded to connect at the bottom of the post of steel framed structure, top or by welding and bolt be connected to steel framed structure girder truss (20) top-bottom chord place, diagonal brace (21) is connected with bolt at the construction field (site) with the cantilever lever of every floor top and bottom, formed Kuang Jia ?central support structure; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace.
In described assembling type steel structure center support frame system, involved beam mainly splices by top-bottom chord and web member the girder truss formed, and wherein top-bottom chord and web member all adopt angle steel, web member become with chord member 30 Dus ?the angle of 60 degree; And being divided into single-beam and twin beams, single-beam arranges connecting hole every one section of fixed range, and being convenient to be spliced by two panels single-beam with bolt when the splicing of plate and plate becomes twin beams, and for twin beams, the connection of angle steel uses bolt to connect or uses welding, all completes in factory process;
In described assembling type steel structure prestressing force center support system, involved beam or the girder truss be mainly spliced by top-bottom chord, web member and gusset plate, wherein top-bottom chord uses angle steel, or use U-steel, or user's steel pipe, web member uses angle steel, web member become with chord member 30 Dus ?the angle of 60 degree; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section of fixed range, and being convenient to be spliced by two panels single-beam with bolt when the splicing of plate and plate becomes twin beams, for twin beams, web member, top-bottom chord use bolt be connected or use welding with the connection of gusset plate, all complete in factory process.
In assembling type steel structure center support frame system of the present invention, its assembling column is made up of box column (8), junction plate (7), floor (10), shrouding (9), its bean column node has three kinds of forms, be respectively two to node, three-dimensional node and four-way node, difference according to its bean column node can be divided into the column of 3 kinds of forms, be respectively two-way column, three-dimensional column and four-way column; Two pieces of junction plates (7) are welded on respectively the side of box column (8), then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), the same way in box column (8) adjacent side thus formed two to node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), box column (8) the in addition same way in both sides thus form three-dimensional node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), other three same ways in side of box column (8) thus form four-way node column; Wherein shrouding (9) has bolt hole, splices with beam upper-end closing plate bolt; Described three kinds of assembling columns all complete at produce in factory.
In assembling type steel structure center support frame system, the splicing of described assembling column (12) welds scab (11) respectively by four sides, box column (8) inner side, scab (11) the latter half and box column welding, the first half has threaded bolt hole, relative with the bolt hole on the downside of another box column, with bolt, column is spliced.
Described floor uses profiled steel sheet combination floor, or reinforced concrete floor, or OSB shaving board.
Beneficial effect of the present invention is, in above-mentioned assembling type steel structure center support frame system, the beam adopted is all girder truss, because the belly space of beam is comparatively large, is convenient to pipeline and passes, effectively add the clear height in room.
Described assembling type steel structure center support frame system, bolt is adopted to carry out site assembly completely, eliminate traditional Site Welding mode and concreting mode, effectively ensure that construction quality, completely avoid the environment pollution that concreting and welded steel cause, realize " anhydrous, without fire, dustless " of site operation three without standard, decrease the generation of the hazardous accidents such as fire.And Lateral Resistant System effectively can improve the lateral rigidity of structure, improves the deformation performance of structure, structure is made to have larger safety reservior.The present invention, when component is removed, can recycle efficiently, decrease building waste, the real theory achieving environmental protection, is the steel structure system of a kind of green, sustainable development.
Accompanying drawing explanation
Fig. 1 is assembling truss plate of the present invention splicing layout plan;
Fig. 2 is that gusset plate truss of angle steel beam schematic diagram is not with by assembling truss plate of the present invention;
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 Tubes Truss beam schematic diagram of the present invention;
Fig. 6 is that assembling truss plate two of the present invention is to 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 of the present invention splicing schematic diagram;
Figure 10 is assembling truss plate A unit decomposition figure of the present invention;
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 completes figure;
Figure 13 is assembling truss plate unit B exploded view of the present invention;
Figure 14 is assembling truss plate B on-site consolidation figure of the present invention;
To be that assembling truss plate unit B of the present invention is assembled complete figure to Figure 15;
Figure 16 is assembling truss plate C unit decomposition figure of the present invention;
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 completes figure;
Figure 19 is that assembling truss plate A, B and C unit splicing of the present invention completes figure;
Figure 20 is assembling truss plate node J1 exploded view in figure of the present invention;
Figure 21 is assembling truss plate node J2 exploded view in figure of the present invention;
Figure 22 is assembling truss plate node J3 exploded view in figure of the present invention;
Figure 23 is assembling truss plate node J4 exploded view in figure of the present invention;
Figure 24 is assembling truss plate node J5 exploded view in figure of the present invention;
Figure 25 is assembling truss plate node J6 exploded view in figure of the present invention;
Figure 26 is assembling truss plate node J7 exploded view in figure of the present invention;
Figure 27 is assembling truss plate node J8 exploded view in figure of the present invention;
Figure 28 is assembling truss plate assembly node J9 exploded view in figure of the present invention;
Figure 29 is assembling truss plate assembly node J10 exploded view in figure of the present invention;
Figure 30 is assembling truss plate assembly node J11 exploded view in figure of the present invention;
Figure 31 is assembling truss plate assembly node J12 exploded view in figure of the present invention;
Figure 32 is assembling type steel structure central cross X-shape support frame system schematic diagram of the present invention;
Figure 33 is assembling type steel structure center of the present invention monocline bar-Type supporting framework system schematic diagram;
Figure 34 is assembling type steel structure center of the present invention timbering with rafter arch sets's frame system schematic diagram;
Figure 35 is assembling type steel structure center of the present invention V-shaped support frame system schematic diagram;
Figure 36 is assembling type steel structure center of the present invention two-way monocline bar-Type supporting framework system schematic diagram;
Figure 37 is assembling type steel structure center support frame hierarchy node J13 detail drawing in figure of the present invention;
Figure 38 is assembling type steel structure center support frame hierarchy node J14 detail drawing in figure of the present invention;
Figure 39 is assembling type steel structure center support frame hierarchy node J15 detail drawing in figure of the present invention;
Figure 40 individual layer assembling type steel structure of the present invention schematic diagram.
1. top-bottom chord I in figure, 2. web member I, 3. gusset plate, 4. web member II, 5. top-bottom chord II, 6. top-bottom chord III, 7. gusset plate, 8. box column, 9. node shrouding, 10. node floor, 11. post scabs, 12. assembling columns, the long girder of 13. 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 beams, 17. junction plate I (triangle), 18. junction plate II(are trapezoidal), 19. floors, 20. girder trusses, 21. diagonal braces, 22. cantilever lever I, 23. cantilever lever II, 24. semi-girder bars.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, the stitching position of assembling truss plate of the present invention is arranged on the middle part of girder, this position shearing and moment of flexure relatively little, from the angle of structural mechanics, stitching position arrange rationally.
As shown in Figure 2, in assembling type steel structure center support frame system of the present invention, the girder truss that involved beam is made up of angle splice joint, comprise top-bottom chord I(1), web member I(2), wherein top-bottom chord I(1) and web member I(2) all adopt angle steel, and be divided into single angle beam and double angle beam, single angle beam arranges connecting hole every one section of fixed range, be convenient to two panels single angle beam be spliced with bolt when the splicing of plate and plate become double angle beam, for double angle beam, the connection of angle steel uses bolt to connect or uses welding, all complete in factory process,
As shown in Figure 3, or use and splice by angle steel and gusset plate the girder truss formed, comprise top-bottom chord I (1), web member II (4) and gusset plate (3), wherein top-bottom chord I (1) and web member II (4) adopts angle steel, and be divided into single angle beam and double angle beam, single angle beam arranges connecting hole every one section of fixed range, be convenient to two panels single angle beam be spliced with bolt when the splicing of plate and plate become double angle beam, for double angle beam, angle steel uses bolt be connected or use welding with the connection of gusset plate, all complete in factory process,
As shown in Figure 4, or use by angle steel, the girder truss of channel-section steel and gusset plate splicing composition, comprise top-bottom chord II (5), web member II (4) and gusset plate (3), wherein top-bottom chord II (5) adopts 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 of fixed range, be convenient to two panels list steel channel beam be spliced with bolt when the splicing of plate and plate become double flute girder steel, for double flute girder steel, angle steel, channel-section steel uses bolt to be connected with the connection of gusset plate, or use welding, all complete in factory process,
As shown in Figure 5, or use by angle steel, the girder truss of square steel pipe and gusset plate splicing composition, comprise top-bottom chord III (6), web member II (4) and gusset plate (3), wherein top-bottom chord III(6) adopt square steel pipe, web member II(4) adopt angle steel, and be divided into folk prescription steel tubular beam and both sides' steel tubular beam, folk prescription steel tubular beam arranges connecting hole every one section of fixed range, be convenient to two panels folk prescription steel tubular beam be spliced with bolt when the splicing of plate and plate become both sides' steel tubular beam, for both sides' steel tubular beam, angle steel, square steel pipe uses bolt to be connected with the connection of gusset plate, or use welding, all complete in factory process,
For above four kinds of section forms of beams, the connecting method that single-beam is spliced into twin beams by bolt has good rigidity and stability.Because the belly space of girder truss is comparatively large, is convenient to pipeline and passes, effectively add the clear height in room.
In assembling type steel structure center support frame system of the present invention, as accompanying drawing 6 ?shown in 8, its assembling column by box column (8) respectively with junction plate (7), floor (10), shrouding (9) forms, its bean column node has three kinds of forms, is respectively two to node, three-dimensional node and four-way node; Difference according to its bean column node can be divided into the column of 3 kinds of forms, is respectively two-way column, three-dimensional column and four-way column; Two pieces of junction plates (7) are welded up and down with box column (8) side respectively, then between two pieces of junction plates, twice floor (10) is welded on box column (8), and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), the same way in the adjacent side of box column 8 thus formed two to node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then between two pieces of junction plates, twice floor (10) is welded on box column (8), and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), box column (8) the in addition same way in both sides thus form three-dimensional node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then between two pieces of junction plates, twice floor (10) is welded on box column (8), and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), other three same ways in side of box column (8) thus form four-way node column; Wherein shrouding (9) has bolt hole, splices with beam upper-end closing plate bolt; Described three kinds of assembling columns all complete at produce in factory.
In assembling type steel structure center support frame system, as shown in Figure 9, the splicing of described assembling column (12) welds scab (11) respectively by four sides, box column (8) inner side, scab (11) the latter half and box column welding, the first half has threaded bolt hole, relative with the bolt hole on the downside of another box column, with bolt, column is spliced.
In assembling type steel structure center support frame 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 mutually vertical with the long girder of double angle truss (13), and scene all adopts bolt to be connected by beam-ends shrouding with the node shrouding on the bean column node of two-way column, and the upper and lower end face place of junction is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the top-bottom 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, top-bottom chord and the beam-ends shrouding of double angle truss girder (14) described end 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 upper and lower two sections) be connected, and the top-bottom chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two pieces of junction plate I(17) be weldingly connected, single angle truss secondary beam (16) is connected to the described long girder of double angle truss (13) and the other end of the long girder of single angle truss (15), relative with double angle truss girder (14) level, top-bottom chord and the beam-ends shrouding of single angle truss secondary beam (16) end, one end and the long girder of single angle truss (15) the other end are weldingly connected respectively, and are connected by two the junction plate I (17) being connected to top-bottom chord place between single angle truss secondary beam (16) with the long girder of single angle truss (15) again, by being connected to two junction plate II(18 at top-bottom chord place between single angle truss secondary beam (16) other end end with the long girder of double angle truss (13)) be connected, the described 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) form a rectangular frame, two described rectangular frames carry out the under(-)chassis connecting and composing a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected by bolt, and two long girders of double angle truss (13) are positioned on straight line, two long girders of single angle truss (15) are positioned on straight line, the upper and lower side of two long girders of double angle truss (13) all adopts bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of three-dimensional column, and two described 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 is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described A plate,
In assembling type steel structure center support frame system, as accompanying drawing 13 ?shown in 15, 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 mutually vertical with the long girder of single angle truss (15), top-bottom 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 upper and lower two sections) be connected, and the top-bottom chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two pieces of junction plate I(17) be weldingly connected, the other end of double angle truss girder (14) is by the junction plate II(18 of upper and lower two sections) be connected with the long girder (15 ') of another root single angle truss with described single angle truss long girder (15) level, and the top-bottom chord of double angle truss girder (14) and the long girder (15 ') of single angle truss all with two pieces of junction plate II(18) be weldingly connected, the two ends of single angle truss secondary beam (16) are connected to the other end of the described long girder of single angle truss (15) other end and the long girder (15 ') of single angle truss, relative with double angle truss girder (14) level, single angle truss secondary beam (16) is identical with the type of attachment of (15 ') with two long girders of single angle truss (15) with described double angle truss girder (14) with the type of attachment of (15 ') with two long girders of single angle truss (15), described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) form a rectangular frame, two identical rectangular frames carry out the under(-)chassis connecting and composing a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected 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 straight line, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described B plate,
In assembling type steel structure center support frame 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 mutually vertical with the long girder of single angle truss (15 '), and all adopt bolt to be connected by the node shrouding that beam-ends shrouding is adjacent with two on the bean column node of three-dimensional column, and the upper and lower end face place of junction is welded with a plate II(18 respectively), junction plate II(18) two ends be connected on the top-bottom chord of double angle truss girder (14) and the long girder (15 ') of single angle truss, 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 single angle truss long girder (15 ') level, top-bottom chord and the beam-ends shrouding of double angle truss girder (14) end and this root single angle truss long girder (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 upper and lower two sections) be connected, and the top-bottom chord of double angle truss girder (14) and the long girder of single angle truss (15) all with two pieces of junction plate I(17) be weldingly connected, the two ends of single angle truss secondary beam (16) are connected to described single angle truss long girder (the 15 ') other end and the other end of the long girder of single angle truss (15), single angle truss secondary beam (16) is relative with double angle truss girder (14) level, top-bottom chord and the beam-ends shrouding of single angle truss secondary beam (16) end, one end and single angle truss long girder (15 ') the other end are weldingly connected respectively, and again by being connected to two junction plate I(17 at top-bottom chord place between single angle truss secondary beam (16) with the long girder (15 ') of single angle truss) be connected, by being connected to two junction plate II(18 at top-bottom chord place between single angle truss secondary beam (16) other end end with the long girder of single angle truss (15)) be connected, described double angle truss girder (14), the long girder of single angle truss (15), the long girder (15 ') of single angle truss and single angle truss secondary beam (16) form a rectangular frame, two described rectangular frames carry out the under(-)chassis connecting and composing a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected by bolt, and a long girder of single angle truss (15) of a rectangular frame long girder of single angle truss (15) and another length direction framework lays respectively on straight line, the upper and lower side of two long girders (15 ') of single angle truss all adopts bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of four-way column, and two described single angle truss secondary beams (16) are connected on the shrouding of the bean column node of four-way column side by side, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described C plate,
In assembling type steel structure center support frame system of the present invention, as shown in Figure 19, described A plate and B plate, by A plate and B plate level alignment, the double angle truss girder (14) of one end of tie-beam Column border node and B plate that do not have of the double angle truss girder 14 of A plate is had junction plate I(17) one end spliced by beam-ends shrouding bolt; One end of the formula that is not the linked and packed column of the single angle truss secondary beam (16) of A plate and the single angle truss secondary beam (16) of B plate had junction plate I(17) one end by bolt, beam-ends shrouding is spliced; By bolt, single-beam is spliced every one section of fixed range 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 panels single-beam be connected to become twin beams; Thus complete the splicing of A plate and B plate;
In assembling type steel structure center support frame system of the present invention, as shown in Figure 19, described B plate and C plate, by B plate and the alignment of C plate level, the double angle truss girder (14) of B plate had junction plate II(18) one end expose node shrouding with the bean column node of the three-dimensional column (12) of C plate and adopt bolt to be connected by beam-ends shrouding; The single angle truss secondary beam (16) of B plate had junction plate II(18) one end adopt bolt to be connected with the node shrouding that exposes of the bean column node of the four-way column of C plate by beam-ends shrouding; All adopting bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of four-way column the upper and lower side of long for the single angle truss of B plate girder (15 '), adopting bolt to be connected respectively by beam-ends shrouding with node shrouding vertical with exposing node shrouding on C plate three-dimensional column the other end of the long girder of the single angle truss (15 ') of B plate; By bolt, single-beam is spliced every one section of fixed range at the long girder of the 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 panels single-beam be connected to become twin beams; Thus complete 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 formed overall floor of A, B, C splicing has node (9), node (10), node (11) and node (12) four kinds of different joint forms in stitching portion, its interior joint (9) and node (10) place can at the upper and lower overlay of splicing node to strengthen connection stiffness.
In above-mentioned assembling type steel structure center support frame system, as accompanying drawing 20 ?shown in 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 assembling type steel structure center support frame system of the present invention, as shown in Figure 32, its cruciform shape lateral resistant member is made up of diagonal brace (21), cantilever lever I (22) and semi-girder bar (24); Cantilever lever I(22) by being welded to connect in column bottom and top, diagonal brace (21) and cantilever lever I(22) be connected by cover plate bolt; Semi-girder bar (24) is welded on diagonal brace (21), and diagonal brace (21) is connected by cover plate bolt with semi-girder bar (24); Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace; Present embodiment illustrates for rolled products of ordinary high-strength H profile steel strip.
In assembling type steel structure center support frame system of the present invention, as shown in Figure 32, its monocline rod-type lateral resistant member is by diagonal brace (21) and cantilever lever I(22) form; Cantilever lever I(22) by being welded to connect in column bottom and top, diagonal brace (21) and cantilever lever I(22) be connected by cover plate bolt; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace; Present embodiment illustrates for rolled products of ordinary high-strength H profile steel strip.
In assembling type steel structure center support frame system of the present invention, as shown in Figure 33, its herringbone lateral resistant member is by diagonal brace (21), cantilever lever I(22) and cantilever lever II(23) form; Cantilever lever I(22) by being welded to connect in column bottom, diagonal brace (21) and cantilever lever I(22) be connected by cover plate bolt; Cantilever lever II(23) by riser on beam with being welded to connect on girder truss (20), diagonal brace (21) and cantilever lever II(23) be connected by cover plate bolt; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace; Present embodiment illustrates for rolled products of ordinary high-strength H profile steel strip.
In assembling type steel structure center support frame system of the present invention, as shown in Figure 34, its V-shaped lateral resistant member is by diagonal brace (21), cantilever lever I(22) and cantilever lever II(23) form; Cantilever lever I(22) by being welded to connect in column bottom and top, diagonal brace (21) and cantilever lever I(22) be connected by cover plate bolt; Cantilever lever II(23) be welded on girder truss (20), diagonal brace (21) and cantilever lever II(23) be connected by cover plate bolt; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace; Present embodiment illustrates for rolled products of ordinary high-strength H profile steel strip.
In assembling type steel structure center support frame system of the present invention, as shown in Figure 35, its two-way monocline rod-type lateral resistant member is by diagonal brace (21) and cantilever lever I(22) form; Cantilever lever I(22) by being welded to connect in column bottom and top, diagonal brace (21) and cantilever lever I(22) be connected by cover plate bolt; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section; Described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace; Present embodiment illustrates for rolled products of ordinary high-strength H profile steel strip.
In above-mentioned assembling type steel structure center support frame system, as accompanying drawing 36 ?shown in 39, made the exploded detail at diagonal brace (21) and framework connected node place respectively.
Claims (6)
1. an assembling type steel structure center support frame system, is characterized in that, this assembling type steel structure central support is sandwich construction, and every Rotating fields comprises assembling truss plate, assembling column and center support component;
Described assembling truss plate comprises the lattice truss beam and floor of being furnished with angle steel web member, described lattice truss beam is by beam-ends shrouding, with other lattice truss beams or assemble column and be connected, form truss slab frame construction, again floor to be placed in truss plate framework structure and to connect, forming assembling truss plate; Described assembling truss plate is prefabricated in the factory, and is mutually spliced by the bean column node of assembling truss plate by its beam-ends shrouding and assembling column at the construction field (site), and assembling column adopts bolt scene to be spliced to form multilayer truss slab frame construction at interlayer; On the basis of described truss slab frame construction, center support component is at the bottom of the post with the girder truss in assembling truss plate and assembling column as lateral resistant member or top is connected; Described assembling truss plate, assembling column and center support component are all prefabricated in the factory, and job site is assembled by bolt;
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) is mutually vertical with the long girder of double angle truss (13), and scene all adopts bolt to be connected by beam-ends shrouding with the node shrouding on the bean column node of two-way column, and the upper and lower end face place of junction is welded with a plate II (18) respectively, the two ends of junction plate II (18) are connected on the top-bottom 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 single angle truss long girder (15) relative with the long girder of double angle truss (13) level, top-bottom chord and the beam-ends shrouding of double angle truss girder (14) described end 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 connected by the junction plate I (17) of upper and lower two sections again, and double angle truss girder (14) is all weldingly connected with two pieces of junction plate I (17) with the top-bottom chord of the long girder of single angle truss (15), single angle truss secondary beam (16) is connected to the described long girder of double angle truss (13) and the other end of the long girder of single angle truss (15), relative with double angle truss girder (14) level, top-bottom chord and the beam-ends shrouding of single angle truss secondary beam (16) end, one end and the long girder of single angle truss (15) the other end are weldingly connected respectively, and are connected by two the junction plate I (17) being connected to top-bottom chord place between single angle truss secondary beam (16) with the long girder of single angle truss (15) again, two junction plate II (18) by being connected to top-bottom chord place between single angle truss secondary beam (16) other end end with the long girder of double angle truss (13) are connected, the described 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) form a rectangular frame, two described rectangular frames carry out the under(-)chassis connecting and composing a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected by bolt, and two long girders of double angle truss (13) are positioned on straight line, two long girders of single angle truss (15) are positioned on straight line, two long girders of double angle truss (13) be adopt bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of three-dimensional column, two described single angle truss secondary beams (16) be connected on the bean column node of three-dimensional column with on the node shrouding of two vertical direction, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described A plate,
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 mutually vertical with the long girder of single angle truss (15), top-bottom 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 be connected by the junction plate I (17) of upper and lower two sections again, double angle truss girder (14) is all weldingly connected with two pieces of junction plate I (17) with the top-bottom chord of the long girder of single angle truss (15), the other end of double angle truss girder (14) is connected with the long girder (15 ') of another root single angle truss with described single angle truss long girder (15) level by the junction plate II (18) of upper and lower two sections, and double angle truss girder (14) is all weldingly connected with two pieces of junction plate II (18) with the top-bottom chord of the long girder (15 ') of single angle truss, the two ends of single angle truss secondary beam (16) are connected to the other end of the described long girder of single angle truss (15) other end and the long girder (15 ') of single angle truss, single angle truss secondary beam (16) is relative with double angle truss girder (14) level, single angle truss secondary beam (16) is connected with four-way column by beam-ends shrouding with two long girders (15 ') of single angle truss, and single angle truss secondary beam (16) and two single angle truss long girder (15 ') top-bottom chords are all weldingly connected with two pieces of junction plate II (18), form is spliced with the connecting method of double angle truss girder (14) with the long girder of single angle truss (15) in single angle truss secondary beam (16) and the company of the long girder of single angle truss (15), and described double angle truss girder (14), two long girders of single angle truss (15) and (15 '), single angle truss secondary beam (16) form a rectangular frame, two identical rectangular frames carry out the under(-)chassis being spliced to form a splicing, single angle truss secondary beam (16) alignment in two rectangular frames is also connected 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 straight line, truss slab frame construction is connected with two pieces of floors (19) by girder truss upper chord upper anchoring, all components prefabricated and assembling all in the factory of described B plate,
Described C plate is identical with B plate;
In assembling type steel structure prestressing force center support system, A plate, B plate and C plate are by arrangement mode ABCBC ... BCBCA splices, and what middle ellipsis represented is multiple BC arrangement modes; Adopt at three-dimensional column place three-dimensional column to connect, adopt at four-way column place four-way column to connect;
Assembling column is made up of box column (8), junction plate (7), floor (10), shrouding (9), its bean column node has three kinds of forms, be respectively two to node, three-dimensional node and four-way node, difference according to its bean column node can be divided into the column of 3 kinds of forms, be respectively two-way column, three-dimensional column and four-way column; Two pieces of junction plates (7) are welded on respectively the side of box column (8), then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), the same way in box column (8) adjacent side thus formed two to node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), box column (8) the in addition same way in both sides thus form three-dimensional node column; Two pieces of junction plates (7) are welded with box column (8) side respectively, then twice floor (10) is welded with on box column (8) between two pieces of junction plates, and junction plate (7) is welded with one piece of shrouding (9) mutually with floor (10), other three same ways in side of box column (8) thus form four-way node column; Wherein shrouding (9) has bolt hole, splices with beam upper-end closing plate bolt; Described three kinds of assembling columns all complete at produce in factory;
Involved beam mainly splices by top-bottom chord and web member the girder truss formed, and wherein top-bottom chord and web member all adopt angle steel, and web member becomes 30 degree of-60 angle spent with chord member; And being divided into single-beam and twin beams, single-beam arranges connecting hole every one section of fixed range, and being convenient to be spliced by two panels single-beam with bolt when the splicing of plate and plate becomes twin beams, and for twin beams, the connection of angle steel uses bolt to connect or uses welding, all completes in factory process;
Or involved beam or the girder truss be mainly spliced by top-bottom chord, web member and gusset plate, wherein top-bottom chord uses angle steel, or uses U-steel, or user's steel pipe, and web member uses angle steel, and web member becomes 30 degree of-60 angle spent with chord member; And be divided into single-beam and twin beams, single-beam arranges connecting hole every one section of fixed range, and being convenient to be spliced by two panels single-beam with bolt when the splicing of plate and plate becomes twin beams, for twin beams, web member, top-bottom chord use bolt be connected or use welding with the connection of gusset plate, all complete in factory process.
2. according to a kind of assembling type steel structure center support frame system of claim 1, it is characterized in that, when A plate, B plate and C plate splice, described A plate and B plate, by A plate and the alignment of B plate level, one end of junction plate I (17) there is is to be spliced by beam-ends shrouding bolt the double angle truss girder (14) of one end of tie-beam Column border node and B plate that do not have of the double angle truss girder (14) of A plate; Beam-ends shrouding is spliced by bolt by the one end of junction plate I (17) that has of one end of the formula that is not the linked and packed column of the single angle truss secondary beam (16) of A plate and the single angle truss secondary beam (16) of B plate; By bolt, single-beam is spliced every one section of fixed range 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 panels single-beam be connected to become twin beams; Thus complete the splicing of A plate and B plate;
Described B plate and C plate, by B plate and C plate level alignment, by the double angle truss girder (14) of B plate have one end of junction plate II (18) and the bean column node of the three-dimensional column (12) of C plate expose node shrouding by beam-ends shrouding adopt bolt be connected; Bolt is adopted to be connected with the node shrouding that exposes of the bean column node of the four-way column of C plate by beam-ends shrouding the one end of junction plate II (18) that has of the single angle truss secondary beam (16) of B plate; All adopting bolt to be connected by beam-ends shrouding with the node shrouding in bean column node two relative directions of four-way column the upper and lower side of long for the single angle truss of B plate girder (15 '), adopting bolt to be connected respectively by beam-ends shrouding with node shrouding vertical with exposing node shrouding on C plate three-dimensional column the other end of the long girder of the single angle truss (15 ') of B plate; By bolt, single-beam is spliced every one section of fixed range at the long girder of the 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 panels single-beam be connected to become twin beams; Thus complete the splicing of B plate and C plate;
The connecting method of A plate and C plate is with the connecting method of A plate and B plate.
3. according to a kind of assembling type steel structure center support frame system of claim 1, it is characterized in that, assembling truss plate is connected by bolt with assembling column at bean column node place, and assembling column adopts the splicing of bolt scene at interlayer, forms multistory frame structure; The splicing of described assembling column (12) welds scab (11) respectively by four sides, box column (8) inner side, scab (11) the latter half and box column welding, the first half has threaded bolt hole, relative with the bolt hole on the downside of another box column, with bolt, column is spliced.
4. according to a kind of assembling type steel structure center support frame system of claim 1, it is characterized in that, above-mentioned junction plate I (17) is triangular structure, and junction plate II (18) is trapezium structure.
5. according to a kind of assembling type steel structure center support frame system of claim 1, it is characterized in that, described center support component is made up of diagonal brace (21) and cantilever lever, cantilever lever in factory by being welded to connect at the bottom of the post of steel framed structure, top or by welding and bolt be connected to steel framed structure girder truss (20) top-bottom chord place, diagonal brace (21) is connected with bolt at the construction field (site) with the cantilever lever of every floor top and bottom, forms concentrically braced frame; Diagonal brace section form is H profile steel, or uses i shaped steel, double flute steel compound section, dual-angle steel combined section.
6. according to a kind of assembling type steel structure center support frame system of claim 5, it is characterized in that, described diagonal brace is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105485.6A CN103290920B (en) | 2013-03-28 | 2013-03-28 | A kind of assembling type steel structure center support frame system |
Applications Claiming Priority (1)
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| CN102979168A (en) * | 2012-11-26 | 2013-03-20 | 北京工业大学 | Industrialized multi-story high-rise assembled steel structure frame - centrally-braced system |
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