CN211114081U - Z-shaped double-splint node assembly type H-shaped steel beam square steel pipe column steel structure system - Google Patents
Z-shaped double-splint node assembly type H-shaped steel beam square steel pipe column steel structure system Download PDFInfo
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- CN211114081U CN211114081U CN201921382508.7U CN201921382508U CN211114081U CN 211114081 U CN211114081 U CN 211114081U CN 201921382508 U CN201921382508 U CN 201921382508U CN 211114081 U CN211114081 U CN 211114081U
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Abstract
The utility model discloses a two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag, include: the assembly type superposed beam slab and the assembly type beam column node; the assembly type superposed beam plates are assembled and connected through assembly type beam-column joints; the assembled beam-column joint comprises a box-shaped column, a joint connecting piece and a joint rib plate, wherein the joint connecting piece is an I-shaped section steel beam with one flat end and the other end cut into a Z shape; the precast concrete plates are arranged in the corresponding steel frame structures, the factory-made concrete layer is formed by pouring on the precast concrete plates in a factory, and the cast-in-place concrete layer is formed by pouring on the factory-made concrete layer in the field construction process. Through the technical scheme of the utility model, the steel construction field welding work that has significantly reduced, and can improve the construction precision greatly at the prefabricated modular structure of mill, improved work efficiency for the construction progress can guarantee the connectivity of floor and girder steel simultaneously.
Description
Technical Field
The utility model relates to a structural engineering technical field especially relates to a two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag.
Background
The assembly type building is an object of key development in the building industry for a period of time in the future, and the innovation of an industrialized assembly type structure system is imperative. Fabricated structural systems refer to buildings produced by fabricating building units or components according to uniform, standard building component specifications, and then transporting them to the job site for assembly into place. A large number of building parts are produced and processed in a workshop, a large number of assembly operations are carried out on site, the design is standardized, the management is informationized, and the requirements of green buildings are met. The building construction method has the characteristics of light building weight, energy conservation, environmental protection, high construction speed and high industrialization degree, can solve the problems of low building industrialization level, low building construction labor productivity, low quality of traditional house products and the like in China, and is suitable for the development of the building industry. At present, the system research on high-rise steel structure houses is just started at home and abroad, and the development prospect of an industrial assembly type high-rise steel structure system is promising.
And among the prior art, the assembly type structure adopts and carries out a large amount of field weld work to the steel construction and assembles, is unfavorable for production efficiency's improvement, and each steel construction splices each other in the site operation process, and relative position construction precision is difficult to guarantee, is unfavorable for the operation when later stage on-the-spot assembly shaped steel roof beam, and wastes time and energy. In addition, in the prior art, a profiled steel sheet composite floor slab, a reinforced concrete floor slab or an OSB shaving board is mostly adopted, so that a large amount of field construction operation is required, and the connection performance of the floor slab and a steel beam cannot be ensured.
SUMMERY OF THE UTILITY MODEL
At least one to the above-mentioned problem, the utility model provides a two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag, assemble through adopting the modular assembled coincide beam slab and assembled beam column node through the bolt, assembled coincide beam slab and assembled beam column node are prefabricated in the mill and are accomplished, the weldment that has significantly reduced, and the prefabricated modular structure in the mill can improve the construction precision greatly, in addition, assembled coincide beam slab adopts precast concrete board, factory system concrete layer and cast-in-place concrete layer, the site operation that has both significantly reduced, can guarantee the connectivity of floor and girder steel simultaneously.
In order to achieve the above object, the utility model provides a two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag, include: the assembly type superposed beam slab and the assembly type beam column node; the assembled superposed beam plates are assembled and connected through the assembled beam-column joints; the assembled superposed beam slab comprises a long-edge I-shaped steel beam, a short-edge I-shaped steel beam, a long-edge channel steel beam, a short-edge channel steel beam, a precast concrete slab, a factory-made concrete layer and a cast-in-place concrete layer, wherein the long-edge I-shaped steel beam, the short-edge I-shaped steel beam, the long-edge channel steel beam and the short-edge channel steel beam are cut along the length direction to form a Z-shaped section shape with a longer upper flange and a shorter lower flange; the assembly type superposed beam slab is divided into a side span A slab and a middle span B slab, the long-side I-shaped steel beam, the short-side I-shaped steel beam, the long-side channel steel beam and the short-side channel steel beam are connected to form a steel frame structure of the side span A slab, the long side of the steel frame structure of the side span A slab is formed by respectively connecting the long-side I-shaped steel beam and the long-side channel steel beam which are arranged in parallel, the short side of the steel frame structure of the side span A slab is formed by respectively vertically connecting the short-side I-shaped steel beam and the short-side channel steel beam with the long-side I-shaped steel beam and the long-side channel steel beam, the short-side I-shaped steel beam is used as the outermost short side edge of the steel frame structure of the side span A slab, and the short-side channel steel beam is used as; the long-edge channel steel beam, the short-edge I-shaped steel beam and the short-edge channel steel beam are connected to form a steel frame structure of the mid-span B plate, the long edges of the steel frame structure of the mid-span B plate are formed by respectively connecting the long-edge channel steel beams arranged in parallel, the short edge of the steel frame structure of the mid-span B plate is formed by respectively vertically connecting the short-edge I-shaped steel beam and the short-edge channel steel beam with the long-edge I-shaped steel beam and the long-edge channel steel beam, the short-edge I-shaped steel beam is used as the outermost short edge of the steel frame structure of the mid-span B plate, and the short-edge channel steel beam is used as the inner short edge of; the precast concrete plates are installed in corresponding steel frame structures in the assembling process of the side span A plate and the mid span B plate, the factory-made concrete layer is formed by pouring on the precast concrete plates in a factory after the precast concrete plates are installed, the pouring of the factory-made concrete layer avoids the position of punching at the end parts of the section steel beams, and the cast-in-place concrete layer is formed by integrally pouring on the factory-made concrete layer after the assembling of the assembled superposed beam plates is completed in the field construction process; the fabricated beam-column nodes are divided into two-way fabricated beam-column nodes, three-way fabricated beam-column nodes and four-way fabricated beam-column nodes, the flat side of the node connecting piece is vertically welded to the side face of the box column, the node connecting pieces are respectively welded to two adjacent side faces, three side faces and four side faces of the box column at the same height so as to respectively form the two-way fabricated beam-column nodes, the three-way fabricated beam-column nodes and the four-way fabricated beam-column nodes, and the node rib plates are welded to the box column and the lower flange of the node connecting piece; the side span A plates are arranged on two sides of the steel structure system, the mid-span B plates are arranged between the side span A plates, the long-edge I-shaped steel beam of the side span A plates is positioned on the outer side, and the side span A plates are connected with the mid-span B plates in an adjacent mode and the mid-span B plates through the long-edge channel steel beam in an assembling mode; and the joints inside the steel frame structures of the side span A plate and the mid-span B plate and the joints between the side span A plate and the mid-span B plate are connected by bolts by adopting fabricated beam-column nodes in corresponding directions according to the number of adjacent components.
In the above technical solution, preferably, the long side i-shaped steel beam, the short side i-shaped steel beam, the long side channel steel beam and the short side channel steel beam are provided with bolt holes on the beam end upper and lower flanges and the web, and two beams which are mutually perpendicular and adjacently arranged pass throughThe bolt holes of the lower flange are connected by using a supporting plate; in the side span A plate, the long side I-shaped steel beam, the short side I-shaped steel beam, the long side channel steel beam and the short side channel steel beam form a side frame A through 4 supporting plates1The long-edge I-shaped steel beam, the long-edge channel steel beam and the two short-edge channel steel beams form a middle frame A in the same connection mode2Pressing the steel beam frame according to A1A2A1Is spliced into the side span A plate and the side frame A1And the middle frame A2Through the aligned concatenation of minor face channel steel roof beam and with bolted connection, the layer board is right precast concrete board carries and spacing.
In the above technical solution, preferably, bolt holes are provided in the beam ends upper and lower flanges and the web of the long side i-shaped steel beam, the short side i-shaped steel beam, the long side channel steel beam and the short side channel steel beam, and two beams that are vertically adjacent to each other are connected by a support plate through the bolt holes of the lower flange; in the mid-span B plate, the short-side I-shaped steel beam, the short-side channel steel beam and the two long-side channel steel beams pass through 4 supporting plates to form a middle side frame B1The same connection form is adopted, two long-edge channel steel beams and two short-edge channel steel beams form a middle frame B2Pressing the steel beam frame according to B1B2B1Is spliced into the mid-span B plate, and the middle side frame B1And said middle frame B2Through the aligned concatenation of minor face channel steel roof beam and with bolted connection, the layer board is right precast concrete board carries and spacing.
In the above technical solution, preferably, the zigzag double-splint node assembled H-shaped steel pipe square steel pipe column steel structure system further includes a positioning stiffener plate welded to the lower side surface of the upper flange inside the punched position of the innermost sides of the upper flanges at the beam both ends of the long side i-shaped steel beam, the short side i-shaped steel beam, the long side channel steel beam and the short side channel steel beam, and the positioning stiffener plate accurately abuts against the front end of the node connecting member.
In the above technical solution, preferably, the node rib plates are respectively disposed on both sides of the node connecting member lower flange, and the node rib plates are welded to the box column and the node connecting member lower flange.
In the above technical solution, preferably, the Z-shaped double-splint joint assembly type H-shaped steel pipe column steel structure system further includes splints, bolt holes are provided on an upper flange, a web and a lower flange of the joint connecting member, the joint connecting member corresponds to the bolt holes at the end of the section steel beam of the assembly type superposed beam slab, and the splints are provided at both sides of a joint where the webs of the long-side i-shaped steel beam, the short-side i-shaped steel beam, the long-side channel steel beam and the short-side channel steel beam are connected with the web of the joint connecting member, and are fixed by bolts under clamping of the splints at both sides.
In the above technical solution, preferably, the node connecting members are arranged at different heights of the box-shaped column of the fabricated beam-column node, and the fabricated superposed beam slab is assembled and connected with the node connecting members at different heights to form the multi-layer steel structure system.
In the above technical solution, preferably, the box columns of the fabricated beam-column node are extended to a preset length, and a connecting plate is provided between the box columns, and the box columns are connected by the connecting plate using bolts to form a fabricated steel column.
In the above technical scheme, preferably, the cast-in-place concrete layer is a concrete cast-in-place layer which is cast finally after the assembled superposed beam slab and the assembled beam column node are hoisted and installed at the construction site, and the casting range of the cast-in-place concrete layer includes the side span a slab, the mid span B slab, the long side i-shaped steel beam, the short side i-shaped steel beam, the long side channel steel beam and the upper flange upper side of the short side channel steel beam, so that the finally formed steel structure system forms an integral structure through the cast-in-place concrete layer.
Compared with the prior art, the beneficial effects of the utility model are that: through adopting the modular assembled coincide beam slab to assemble through the bolt with assembled beam column node, assembled coincide beam slab and assembled beam column node are prefabricated at the mill and are accomplished, the steel construction field weld work that has significantly reduced, and the prefabricated modular structure in the mill can improve the construction precision greatly, in addition, assembled coincide beam slab adopts precast concrete board, factory system concrete layer and cast-in-place concrete layer, water the floor surplus portion after whole hoist and mount targets in place, the site operation that has both significantly reduced, and the work efficiency is improved, and the construction progress is accelerated, can guarantee the connectivity of floor and girder steel simultaneously.
Drawings
Fig. 1 is a schematic structural view of a zigzag double-splint node assembled H-shaped steel beam square steel pipe column steel structure system disclosed in an embodiment of the present invention;
fig. 2 is an assembly and disassembly schematic view of an assembled composite beam slab and an assembled steel column according to an embodiment of the present invention;
fig. 3 is a schematic plan view of an assembled composite beam slab according to an embodiment of the present invention;
fig. 4 is a schematic view of a two-way assembled beam-column joint according to an embodiment of the present invention;
fig. 5 is a schematic view of a three-way assembled beam-column joint according to an embodiment of the present invention;
fig. 6 is a schematic view of a four-way assembled beam-column joint according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a splicing assembly of an assembled steel column according to an embodiment of the present invention;
fig. 8 is an exploded view of the side span a plate of the assembled composite beam plate according to an embodiment of the present invention;
fig. 9 is an assembly schematic view of a side span a plate of the assembled composite beam plate according to an embodiment of the present invention;
fig. 10 is an exploded view of a mid-span B panel of an assembled composite beam panel according to an embodiment of the present invention;
fig. 11 is a schematic assembly diagram of a mid-span B plate of the assembled composite beam plate according to an embodiment of the present invention;
fig. 12 is a schematic view illustrating a connection and disassembly of two-way assembled beam column joints and section steel beams according to an embodiment of the present invention;
fig. 13 is a schematic view illustrating a three-way assembled beam-column joint-section steel beam connection according to an embodiment of the present invention;
fig. 14 is a schematic view of the four-way assembled beam-column joint-section steel beam connection and disassembly according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the concrete slab comprises a box column, 2 node connecting pieces, 3 node rib plates, 4 connecting plates, 5 fabricated steel columns, 6 fabricated beam column nodes, 7 long-side I-shaped steel beams, 8 short-side I-shaped steel beams, 9 long-side channel steel beams, 10 short-side channel steel beams, 11 supporting plates, 12 precast concrete plates, 13 factory-made concrete layers, 14 cast-in-place concrete layers, 15 positioning stiffening plates and 16 clamping plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 to 3, according to the utility model provides a pair of two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag, include: an assembled superposed beam slab and assembled beam column node 6; the assembly type superposed beam plates are assembled and connected through assembly type beam column nodes 6; the assembly type superposed beam slab comprises a long-side I-shaped steel beam 7, a short-side I-shaped steel beam 8, a long-side channel steel beam 9, a short-side channel steel beam 10, a precast concrete slab 12, a factory concrete layer 13 and a cast-in-place concrete layer 14, wherein the long-side I-shaped steel beam 7, the short-side I-shaped steel beam 8, the long-side channel steel beam 9 and the short-side channel steel beam 10 are cut along the length direction to form a Z-shaped section shape with a longer upper flange and a shorter lower flange, an assembly type beam column node 6 comprises a box column 1, a node connecting piece 2 and a node rib plate 3, the box column 1 is of a square steel pipe structure, and the node connecting piece 2 is an I-shaped section steel beam; the assembled superposed beam slab is divided into a side span A slab and a middle span B slab, a long-edge I-shaped steel beam 7, a short-edge I-shaped steel beam 8, a long-edge channel steel beam 9 and a short-edge channel steel beam 10 are connected to form a steel frame structure of the side span A slab, the long edge of the steel frame structure of the side span A slab is formed by respectively connecting the long-edge I-shaped steel beam 7 and the long-edge channel steel beam 9 which are arranged in parallel, the short edge of the steel frame structure of the side span A slab is formed by respectively vertically connecting the short-edge I-shaped steel beam 8 and the short-edge channel steel beam 10 with the long-edge I-shaped steel beam 7 and the long-edge channel steel beam 9, the short-edge I-shaped steel beam 8 serves as the outermost short edge of the steel frame structure of the; the long-side channel steel beams 9, the short-side I-shaped steel beams 8 and the short-side channel steel beams 10 are connected to form a steel frame structure of the mid-span B plate, the long sides of the steel frame structure of the mid-span B plate are formed by respectively connecting the long-side channel steel beams 9 arranged in parallel, the short sides of the steel frame structure of the mid-span B plate are formed by respectively vertically connecting the short-side I-shaped steel beams 8 and the short-side channel steel beams 10 with the long-side I-shaped steel beams 7 and the long-side channel steel beams 9, the short-side I-shaped steel beams 8 serve as the outermost short sides of the steel frame structure of the mid-span B plate, and; the precast concrete plates 12 are installed in the corresponding steel frame structures in the assembling process of the side span A plates and the middle span B plates, the factory-made concrete layer 13 is formed by pouring on the precast concrete plates 12 in a factory after the precast concrete plates 12 are installed, the pouring of the factory-made concrete layer 13 avoids the position of punching at the end parts of section steel beams, and the cast-in-place concrete layer 14 is formed by integrally pouring on the factory-made concrete layer 13 after the assembling of the assembled composite beam plates is completed in the field construction process; the assembled beam-column node 6 is divided into a two-way assembled beam-column node 6, a three-way assembled beam-column node 6 and a four-way assembled beam-column node 6, the flat side of the node connecting piece 2 is vertically welded to the side surface of the box-shaped column 1, the node connecting piece 2 is respectively welded to two adjacent side surfaces, three side surfaces and four side surfaces of the box-shaped column 1 at the same height to respectively form the two-way assembled beam-column node 6, the three-way assembled beam-column node 6 and the four-way assembled beam-column node 6, and the node rib plate 3 is welded to the box-shaped column 1 and the lower flange of the node connecting piece 2; the side span A plates are arranged on two sides of the steel structure system, the mid-span B plates are arranged between the side span A plates, the long-edge I-shaped steel beam 7 of the side span A plates is positioned on the outer side, and the side span A plates are assembled and connected with the middle-span B plates at the adjacent positions and the mid-span B plates through long-edge channel steel beams 9; and the joints inside the steel frame structures of the side span A plate and the middle span B plate and the joints between the side span A plate and the middle span B plate are connected by bolts according to the number of adjacent components by adopting assembled beam-column joints 6 in corresponding directions.
In the embodiment, an assembly concept is introduced, large-scale pre-production is realized, and the construction site is quickly installed, so that the construction period is greatly shortened, the site construction environmental problem is reduced, meanwhile, adverse effects such as earthquake and the like are effectively resisted, and the advantages of the steel structure building are exerted. Additionally, the floor is assembled coincide beam slab, and factory system concrete layer 13 can use as cast-in-place concrete layer 14's template, and cast-in-place concrete layer 14 has then guaranteed the effective connection of beam slab, forms assembled coincide beam slab, has reduced the construction degree of difficulty, has improved the efficiency of construction.
Specifically, the steel structure system is formed by connecting assembled superposed beam plates and assembled beam column nodes 6 through bolts. The assembled type composite beam slab comprises a steel frame structure and a composite floor slab, wherein the steel frame structure is formed by combining a long-side I-shaped steel beam 7, a short-side I-shaped steel beam 8, a long-side channel steel beam 9 and a short-side channel steel beam 10, the composite floor slab comprises a precast concrete slab 12, a factory-made concrete layer 13 and a cast-in-place concrete layer 14, the precast concrete slab 12 is arranged on the steel frame structure, the factory-made concrete layer 13 is formed by pouring in a factory, after the main body of the assembled type composite beam slab and the assembled type beam column node 6 are assembled on site, a layer of concrete is poured at the upper end of the main body of the assembled type composite beam slab to form the cast-in-place concrete layer 14, and the overall working performance of the assembled type.
As shown in fig. 4 to 6, the fabricated beam-column node 6 is divided into three forms including a two-way node having two sides at 90 degrees, a three-way node having three sides at 180 degrees, and a four-way node. The node connecting piece 2 is a section of I-shaped section steel beam with one flat end and the other end cut into a Z shape, wherein the upper flange is shorter and the lower flange is longer. Welding one flat end of the node connecting piece 2 to one side of the box column 1, then respectively placing a node rib plate 3 on the two horizontal sides of the lower flange of the node connecting piece 2 to play a role in strengthening the lower flange, and welding the node rib plate 3 with the box column 1 and the lower flange of the node connecting piece 2. Welding the node connecting piece 2 and the node rib plate 3 at the same height of the adjacent surfaces of the box-shaped column 1 by the same method to form a two-way assembled beam-column node 6; the adjacent and opposite two surfaces of the box-shaped column 1 are manufactured by the same method at the same height to form a three-way assembled beam-column node 6; the four-way fabricated beam-column joint 6 is formed by the same method at the same height on the other three sides of the box column 1. Wherein the top flange, web and the bottom flange of node connecting piece 2 all are equipped with the bolt hole, correspond with shaped steel roof beam tip bolt hole, and the assembled beam column node 6 of three kinds of forms is all prefabricated in the mill and is accomplished.
As shown in fig. 7 to 14, the fabricated beam-column joint 6 is bolted to the side span a plate and the middle span B plate of the fabricated composite beam plate at the construction site, specifically, the lower flanges of the long-side i-beam 7, the short-side i-beam 8, the long-side channel beam 9, and the short-side channel beam 10 are short and provided with bolt holes, and the lower flanges of the profile beams are located above the longer lower flange of the joint connecting member 2 of the fabricated beam-column joint 6 during assembly and are connected by bolts with the bolt holes facing each other; the upper flanges of the long-side I-shaped steel beam 7, the short-side I-shaped steel beam 8, the long-side channel steel beam 9 and the short-side channel steel beam 10 are long and provided with bolt holes, and during assembly, the upper flanges of the profile steel beams are located above the short upper flanges of the node connecting pieces 2 of the assembled beam-column nodes 6, are opposite to each other and are connected by bolts; after the section steel beam and the upper flange and the lower flange of the node connecting piece 2 are connected, the web plates of the long-edge I-shaped steel beam 7, the short-edge I-shaped steel beam 8, the long-edge channel steel beam 9 and the short-edge channel steel beam 10 are opposite to the web plate of the node connecting piece 2 and are provided with holes, the clamping plates 16 are placed on two sides of the web plate, bolt holes are opposite, and the assembled superposed beam plate and the assembled beam column node 6 are connected through bolts. The effective connection characteristic of the intersection of the side span A plate and the middle span B plate of the assembled superposed beam plate is that the long-edge channel steel beam 9 of the A, B plate is respectively and effectively spliced at the end part and the trisection of the steel beam on one side of the splice, and the effective splicing mode adopts bolt on-site splicing. After the on-site connection of the assembled type composite beam slab and the assembled type beam column node 6 is completed, the side span A slab and the middle span B slab form a whole with the beam column node, and a cast-in-situ concrete layer 14 is poured above the assembled type composite beam slab factory-made concrete layer 13; the pouring range of the cast-in-place concrete layer 14 comprises a side span A plate and a middle span B plate of the assembled superposed beam plate, and the upper sides of the upper flanges of the long side I-shaped steel beam 7, the short side I-shaped steel beam 8, the long side channel steel beam 9 and the short side channel steel beam 10, so that the finally formed system is effectively connected through the cast-in-place concrete layer 14 to form a whole.
In the above embodiment, preferably, bolt holes are provided in the beam ends upper and lower flanges and the web of the long-side i-shaped steel beam 7, the short-side i-shaped steel beam 8, the long-side channel steel beam 9 and the short-side channel steel beam 10, and two beams that are vertically adjacent to each other are connected by the support plate 11 through the bolt hole of the lower flange; in the side span A plate, a long side I-shaped steel beam 7, a short side I-shaped steel beam 8, a long side channel steel beam 9 and a short side channel steel beam 10 form a side frame A through 4 support plates 111The middle frame A is composed of a long-side I-shaped steel beam 7, a long-side channel steel beam 9 and two short-side channel steel beams 10 in the same connection mode2Pressing the steel beam frame according to A1A2A1The two side frames are spliced into a large side frame, namely a side span A plate and a side frame A1With middle frame A2Through the alignment concatenation of minor face channel beam 10 and with bolted connection to guarantee that long limit I-shaped girder steel 7 and long limit channel beam 9 are respectively on a straight line, layer board 11 carries and spacing precast concrete board 12. After the large side frame is assembled, the precast concrete plate 12 is respectively placed in the side frame A1 and the middle frame A2, and the precast concrete plate 12 can be conveniently and accurately placed due to the limiting function of the supporting plate 11; then, pouring a factory-made concrete layer 13 on the precast concrete plate 12 serving as a template; factory coagulationThe soil layer 13 is concrete which is poured in a factory after the precast concrete plate 12 is installed when the prefabricated composite beam plate side span A plate is precast, the Z-shaped area at the end part of each steel beam is avoided during pouring so as to facilitate the joint connection during on-site construction, and the poured factory-made concrete layer 13 is an octagonal concrete layer in a rectangular four-end unfilled corner form; when the factory-made concrete layer 13 is poured, Z-shaped areas at the end parts of various steel beams which are avoided and not poured are assembled on the final construction site, and then the concrete layer 14 is poured together when the cast-in-place concrete layer is poured; the side span A plate of the assembled composite beam plate is formed by a large side frame, a precast concrete plate 12 and a factory concrete layer 13; all components of the side span A plate are prefabricated and assembled in a factory.
In the above embodiment, preferably, bolt holes are provided in the beam ends upper and lower flanges and the web of the long-side i-shaped steel beam 7, the short-side i-shaped steel beam 8, the long-side channel steel beam 9 and the short-side channel steel beam 10, and two beams that are vertically adjacent to each other are connected by the support plate 11 through the bolt hole of the lower flange; in the mid-span B plate, a middle side frame B is formed by a short-side I-shaped steel beam 8, a short-side channel steel beam 10 and two long-side channel steel beams 9 through 4 supporting plates 111The middle frame B is formed by two long-edge channel steel beams 9 and two short-edge channel steel beams 10 in the same connection mode2Pressing the steel beam frame according to B1B2B1The middle frame is a mid-span B plate, and the middle side frame B1And a middle frame B2Through the alignment concatenation of minor face channel beam 10 and with bolted connection to guarantee that the long limit channel beam 9 in both sides is respectively on a straight line, layer board 11 carries and spacing precast concrete board 12. After the large and medium frames are assembled, the precast concrete plates 12 are respectively placed in the middle side frame B1 and the middle medium frame B2, and the precast concrete plates 12 can be conveniently and accurately placed due to the limiting function of the supporting plate 11; then, pouring a factory-made concrete layer 13 on the precast concrete plate 12 serving as a template; the factory-made concrete layer 13 is concrete which is factory-poured after the precast concrete plate 12 is installed when the mid-span B plate of the assembled composite beam plate is precast in a factory, and a Z-shaped area at the end part of each steel beam is avoided during pouring so as to facilitate node connection during site construction, and the poured factory-made concrete layer 13 is pouredThe factory-made concrete layer 13 is an octagonal concrete layer in a rectangular four-end unfilled corner mode; when the factory-made concrete layer 13 is poured, Z-shaped areas at the end parts of various steel beams which are avoided and not poured are assembled on the final construction site, and then the concrete layer 14 is poured together when the cast-in-place concrete layer is poured; a midspan B plate of the assembled type laminated beam plate is formed by a large and medium frame, a precast concrete plate 12 and a factory-made concrete layer 13, and all components of the midspan B plate are prefabricated and assembled in a factory.
In the above embodiment, preferably, the zigzag double-plywood node assembled H-shaped steel pipe square column steel structure system further includes a positioning stiffener 15, and the positioning stiffener 15 is welded to the lower side surface of the upper flange inside the most inner punched position of the upper flanges at the two ends of the long-side i-shaped steel beam 7, the short-side i-shaped steel beam 8, the long-side channel steel beam 9, and the short-side channel steel beam 10. The positioning stiffening plate 15 can play a role of positioning bolt holes when the section steel beam and the beam column joint are assembled on site, and meanwhile, the strength of the reinforced steel beam at the beam column joint is enhanced. In addition, when the section steel beam is connected with the node connecting piece 2, the positioning stiffening plate 15 arranged on the section steel beam can accurately abut against the front end of the node connecting piece 2, so that the positioning of bolt holes in site construction is facilitated, and the connection of the side span A plate and the middle span B plate of the assembly type superposed beam plate and the assembly type steel column 5 is completed.
In the above embodiment, it is preferable that the node ribs 3 are respectively provided on both sides of the lower flange of the node connecting member 2, and the node ribs 3 are welded to the box column 1 and the lower flange of the node connecting member 2.
In the above embodiment, preferably, the box column 1 of the fabricated beam-column node 6 is provided with node connectors at different heights, and the fabricated composite beam slab is assembled and connected with the node connectors at different heights to form a multi-layer steel structure system.
As shown in fig. 7, in the above embodiment, preferably, the box columns 1 of the fabricated beam-column node 6 are extended to a predetermined length, and connecting plates 4 are provided between the box columns 1, and the box columns 1 are connected by the connecting plates 4 with bolts to form fabricated steel columns 5. The utility model discloses well assembled steel column 5 is the integral type at every floor beam column node of frame construction and link up, and the post can be connected with the post inflection point department between the layer to guarantee the reliability of zigzag double splint node.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a two splint node assembled H shaped steel roof beam square steel tubular column steel construction systems of zigzag, its characterized in that includes: the assembly type superposed beam slab and the assembly type beam column node;
the assembled superposed beam plates are assembled and connected through the assembled beam-column joints;
the assembled superposed beam slab comprises a long-edge I-shaped steel beam, a short-edge I-shaped steel beam, a long-edge channel steel beam, a short-edge channel steel beam, a precast concrete slab, a factory-made concrete layer and a cast-in-place concrete layer, wherein the long-edge I-shaped steel beam, the short-edge I-shaped steel beam, the long-edge channel steel beam and the short-edge channel steel beam are cut along the length direction to form a Z-shaped section shape with a longer upper flange and a shorter lower flange;
the assembly type superposed beam slab is divided into a side span A slab and a middle span B slab, the long-side I-shaped steel beam, the short-side I-shaped steel beam, the long-side channel steel beam and the short-side channel steel beam are connected to form a steel frame structure of the side span A slab, the long side of the steel frame structure of the side span A slab is formed by respectively connecting the long-side I-shaped steel beam and the long-side channel steel beam which are arranged in parallel, the short side of the steel frame structure of the side span A slab is formed by respectively vertically connecting the short-side I-shaped steel beam and the short-side channel steel beam with the long-side I-shaped steel beam and the long-side channel steel beam, the short-side I-shaped steel beam is used as the outermost short side edge of the steel frame structure of the side span A slab, and the short-side channel steel beam is used as;
the long-edge channel steel beam, the short-edge I-shaped steel beam and the short-edge channel steel beam are connected to form a steel frame structure of the mid-span B plate, the long edges of the steel frame structure of the mid-span B plate are formed by respectively connecting the long-edge channel steel beams arranged in parallel, the short edge of the steel frame structure of the mid-span B plate is formed by respectively vertically connecting the short-edge I-shaped steel beam and the short-edge channel steel beam with the long-edge I-shaped steel beam and the long-edge channel steel beam, the short-edge I-shaped steel beam is used as the outermost short edge of the steel frame structure of the mid-span B plate, and the short-edge channel steel beam is used as the inner short edge of;
the precast concrete plates are installed in corresponding steel frame structures in the assembling process of the side span A plate and the mid span B plate, the factory-made concrete layer is formed by pouring on the precast concrete plates in a factory after the precast concrete plates are installed, the pouring of the factory-made concrete layer avoids the position of punching at the end parts of the section steel beams, and the cast-in-place concrete layer is formed by integrally pouring on the factory-made concrete layer after the assembling of the assembled superposed beam plates is completed in the field construction process;
the fabricated beam-column nodes are divided into two-way fabricated beam-column nodes, three-way fabricated beam-column nodes and four-way fabricated beam-column nodes, the flat side of the node connecting piece is vertically welded to the side face of the box column, the node connecting pieces are respectively welded to two adjacent side faces, three side faces and four side faces of the box column at the same height so as to respectively form the two-way fabricated beam-column nodes, the three-way fabricated beam-column nodes and the four-way fabricated beam-column nodes, and the node rib plates are welded to the box column and the lower flange of the node connecting piece;
the side span A plates are arranged on two sides of the steel structure system, the mid-span B plates are arranged between the side span A plates, the long-edge I-shaped steel beam of the side span A plates is positioned on the outer side, and the side span A plates are connected with the mid-span B plates in an adjacent mode and the mid-span B plates through the long-edge channel steel beam in an assembling mode;
and the joints inside the steel frame structures of the side span A plate and the mid-span B plate and the joints between the side span A plate and the mid-span B plate are connected by bolts by adopting fabricated beam-column nodes in corresponding directions according to the number of adjacent components.
2. The system of claim 1, wherein bolt holes are formed in upper flanges, lower flanges and web plates of beam ends of the long-side I-shaped steel beams, the short-side I-shaped steel beams, the long-side channel steel beams and the short-side channel steel beams, and two beams which are vertically adjacent to each other are connected through the bolt holes of the lower flanges by using support plates;
in the side span A plate, the long side I-shaped steel beam, the short side I-shaped steel beam, the long side channel steel beam and the short side channel steel beam form a side frame A through 4 supporting plates1The long-edge I-shaped steel beam, the long-edge channel steel beam and the two short-edge channel steel beams form a middle frame A in the same connection mode2Pressing the steel beam frame according to A1A2A1Is spliced into the side span A plate and the side frame A1And the middle frame A2Through the aligned concatenation of minor face channel steel roof beam and with bolted connection, the layer board is right precast concrete board carries and spacing.
3. The system of claim 1, wherein bolt holes are formed in upper flanges, lower flanges and web plates of beam ends of the long-side I-shaped steel beams, the short-side I-shaped steel beams, the long-side channel steel beams and the short-side channel steel beams, and two beams which are vertically adjacent to each other are connected through the bolt holes of the lower flanges by using support plates;
in the mid-span B plate, the short-side I-shaped steel beam, the short-side channel steel beam and the two long-side channel steel beams pass through 4 supporting plates to form a middle side frame B1The same connection form is adopted, two long-edge channel steel beams and two long-edge channel steel beamsMiddle frame B formed by short-edge channel steel beams2Pressing the steel beam frame according to B1B2B1Is spliced into the mid-span B plate, and the middle side frame B1And said middle frame B2Through the aligned concatenation of minor face channel steel roof beam and with bolted connection, the layer board is right precast concrete board carries and spacing.
4. The Z-shaped double-splint joint assembly type H-shaped steel beam square steel pipe column steel structure system as claimed in any one of claims 1 to 3, further comprising a positioning stiffening plate welded to the lower side of the upper flange inside the innermost punched positions of the upper flanges at the beam ends of the long-side I-shaped steel beam, the short-side I-shaped steel beam, the long-side channel steel beam and the short-side channel steel beam, the positioning stiffening plate abutting against the front end of the joint connection member accurately.
5. The system of claim 1, wherein the node ribs are respectively disposed on both sides of the lower flange of the node connecting member, and the node ribs are welded to the box column and the lower flange of the node connecting member.
6. The steel structure system of the Z-shaped double-splint joint assembly type H-shaped steel beam square steel pipe column as claimed in claim 1 or 5, further comprising splints, wherein bolt holes are formed in the upper flange, the web and the lower flange of the joint connecting piece, the joint connecting piece corresponds to the bolt holes in the end portion of the section steel beam of the assembly type superposed beam plate, and the splints are arranged on two sides of the joint of the web of the long-side I-shaped steel beam, the short-side I-shaped steel beam, the long-side channel steel beam and the short-side channel steel beam and the web of the joint connecting piece and are fixed by bolts under the clamping of the splints on the two sides.
7. The system of claim 6, wherein the assembled H-shaped steel beam square steel pipe column steel structure system is characterized in that the node connecting pieces are arranged at different heights of the box-shaped column of the assembled beam-column node, and the assembled superposed beam plates are respectively assembled and connected with the node connecting pieces at different heights to form a multi-layer steel structure system.
8. The system of claim 7, wherein the box columns of the fabricated beam-column node are extended to a predetermined length, and connecting plates are disposed between the box columns, and the box columns are connected by bolts through the connecting plates to form a fabricated steel column.
9. The Z-shaped double-splint node assembly type H-shaped steel beam square steel pipe column steel structure system according to claim 1, wherein the cast-in-place concrete layer is a cast-in-place concrete layer which is cast finally after the assembly type superposed beam slab and the assembly type beam column node are hoisted and installed on a construction site, and the casting range of the cast-in-place concrete layer comprises the side span A slab, the mid-span B slab, the long side I-shaped steel beam, the short side I-shaped steel beam, the long side channel steel beam and the upper flange upper side of the short side channel steel beam, so that the finally formed steel structure system forms an integral structure through the cast-in-place concrete layer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409617A (en) * | 2019-08-24 | 2019-11-05 | 北京国电恒嘉科技产业集团有限公司 | Zigzag double fastener plate node assembled H profile steel beam quadrate steel pipe column steel structure system |
| CN115324368A (en) * | 2022-09-02 | 2022-11-11 | 中建八局(厦门)建设有限公司 | A welding auxiliary structure for assembled prefabricated steel construction |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409617A (en) * | 2019-08-24 | 2019-11-05 | 北京国电恒嘉科技产业集团有限公司 | Zigzag double fastener plate node assembled H profile steel beam quadrate steel pipe column steel structure system |
| CN115324368A (en) * | 2022-09-02 | 2022-11-11 | 中建八局(厦门)建设有限公司 | A welding auxiliary structure for assembled prefabricated steel construction |
| CN115324368B (en) * | 2022-09-02 | 2023-06-27 | 中建八局(厦门)建设有限公司 | Welding auxiliary structure for prefabricated steel structure |
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