CN209975734U - High-performance large-span heavy-load multi-storey industrial building assembly type structure system - Google Patents
High-performance large-span heavy-load multi-storey industrial building assembly type structure system Download PDFInfo
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- CN209975734U CN209975734U CN201920179704.8U CN201920179704U CN209975734U CN 209975734 U CN209975734 U CN 209975734U CN 201920179704 U CN201920179704 U CN 201920179704U CN 209975734 U CN209975734 U CN 209975734U
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Abstract
The utility model discloses a heavy load multilayer industrial building assembled structure system is striden greatly to high performance relates to the structural engineering field. The system comprises an embedded high-strength H-shaped steel pipe concrete column, a prestressed laminated corrugated web I-shaped steel beam, a net frame type composite floor slab, a shock insulation support, prestressed ribs, bolts, studs and the like. The embedded high-strength H-shaped steel tube concrete column is formed by combining an outer steel tube, embedded high-strength H-shaped steel and filled concrete; the prestressed laminated corrugated web I-shaped steel beam is formed by welding a laminated corrugated web and a flat flange plate, and prestressed tendons are tensioned at the lower flange of the steel beam; the net rack type composite floor slab is formed by a lower space net rack and an upper concrete slab; the shock insulation support is composed of a spring support, a stiffened displacement restraining ring and an anti-collision rubber pad. The structure system can meet the requirements of industrial buildings on large span space and large use load, improves the construction efficiency, reduces the structural cost and has wide engineering application prospect.
Description
Technical Field
The utility model relates to a structural engineering field.
Background
The industrial building is a building which is used for various industrial production and directly serves for production, and due to the special use function of the building, the building often has the characteristics of large internal space and large load, and has high requirements on the structure, so that the traditional steel frame structure industrial building often needs larger column section size and higher beam section, and in addition, in order to avoid local buckling of a web plate, the thickness of the web plate of the traditional flat web plate I-shaped steel beam is often larger, so that the traditional steel frame structure industrial building has large steel quantity and high manufacturing cost.
The traditional industrial building is mostly a single-storey factory building or a small number of multi-storey delivery rooms due to the limitation of large span space and large use load, the occupied area is large, and the utilization rate of land is not high. Under the conditions of limited total land resource and large protection pressure of cultivated land, the government implements strict total construction land control and land use control system, so that the invention of a large-span heavy-load multi-layer industrial building structure system with high performance is particularly important for improving the land utilization rate.
Fabricated buildings have been rapidly developed in recent years under vigorous national initiatives. The main parts of the prefabricated building are produced in a centralized manner in a factory and assembled in a mechanized hoisting manner after being transported to a construction site, so that the use amount of template engineering and turnover materials is reduced, the quality is better guaranteed compared with the on-site production, the influence of weather factors on the construction progress can be avoided, and the prefabricated building has the advantages of short construction period, environmental protection, less on-site wet operation and the like.
The utility model provides a heavy load multilayer industrial building assembled structure system is striden greatly to high performance, the main atress component of this structure system have embedded H shaped steel reinforced concrete column that excels in, prestressing force coincide wave form web worker shape girder steel and net rack formula composite floor. The structural system can give full play to the material strength of high-strength steel and the long-span advantage of the corrugated web steel beam, can be expected to greatly reduce the structural cost, effectively improve the land utilization rate and obviously improve the comprehensive benefit, can obviously improve the construction efficiency and shorten the construction period by using an assembled construction mode, and has wide engineering application prospect.
The steel pipe concrete column is a novel structural form which combines a steel structure and a concrete structure into a whole to work together, can give full play to the mechanical properties of the steel structure, the reinforced concrete structure and respective materials, has excellent mechanical properties and convenient construction, and is widely researched and applied in recent years. The steel pipe concrete column has good compression resistance and torsion resistance, the bending resistance of the steel pipe concrete column can be improved by the built-in high-strength H-shaped steel, the adverse effect of the bending moment on the common steel pipe concrete column is effectively solved, the compression resistance and the torsion resistance of the steel pipe concrete column can be further improved, and the ductility and the energy consumption capability of the structure are improved. The laminated wave-shaped web I-shaped steel beam has the advantages that the out-of-plane bending rigidity of the web is remarkably improved, and the wave-shaped web has extremely low compressive rigidity along the longitudinal direction of the member due to the accordion effect of the wave-shaped steel plate, so that the wave-shaped web hardly bears normal stress along the longitudinal direction of the member, buckling can not occur under axial load, the shearing resistant buckling load is greatly improved, and the thickness of the web and the amount of structural steel can be greatly reduced. The net rack type composite floor slab is composed of a lower space net rack and an upper concrete slab, the advantages of the space net rack can be effectively exerted, and the large-span space is favorably formed and the steel consumption is reduced.
Disclosure of Invention
The utility model provides a high performance strides heavily loaded multilayer industrial building assembled structure system greatly: the main components of the structural system comprise an embedded high-strength H-shaped steel pipe concrete column, a prestressed laminated corrugated web I-shaped steel beam, a net frame type composite floor slab, a shock insulation support between the floor slab and a frame beam and the like; the embedded high-strength H-shaped steel tube concrete column is formed by combining an outer steel tube, embedded high-strength H-shaped steel and filled concrete, the embedded H-shaped steel is made of high-strength steel with yield strength not lower than 420MPa, and due to effective constraint of the concrete on the embedded high-strength steel, the high-strength steel is not easy to destabilize, the material strength can be fully exerted, and the embedded high-strength H-shaped steel tube concrete column can be widely used for heavy-load structures; the prestressed superposed corrugated web I-shaped steel beam is formed by welding and combining a superposed corrugated web formed by cold rolling and a flat flange plate, a prestressed tendon is tensioned at the lower flange of the steel beam, the web is formed by combining two identical corrugated steel plates and is connected by adopting a bolt, compared with the flat web, the shearing resistance and bearing capacity of the superposed corrugated web are greatly improved, the buckling of the web can be effectively relieved, the thickness of the web is reduced, and in addition, the deflection and vibration of a large-span beam can be reduced by tensioning the prestressed tendon; the net rack type composite floor slab is formed by a lower space net rack and an upper concrete slab together, and the net rack and the concrete slab are effectively connected through the studs, so that the advantages of the space net rack can be effectively exerted, and the large-span space is favorably formed and the steel consumption is reduced; the shock insulation support between the floor slab and the frame beam consists of a spring support, a displacement restraining ring for arranging stiffening ribs and an anti-collision rubber pad, so that the earthquake action can be reduced, the displacement and vibration of the floor slab under the earthquake action can be reduced, and high-precision industrial equipment can be effectively protected; the node connection structure of the I-shaped steel beam and the embedded high-strength H-shaped steel pipe concrete is simple, reliable in connection and convenient to construct; all the components of the structure system are prefabricated in a factory, and are spliced on site in a bolt or reserved post-cast strip mode, so that the construction efficiency can be obviously improved, the construction quality can be ensured, and the construction measure cost can be reduced.
The utility model provides a pair of high performance stride heavily loaded multilayer industrial building assembled structure system greatly, can satisfy the requirement that industrial building strides the space greatly and use the load big, avoid the individual layer factory building to occupy in a large number to the soil, improve the utilization ratio of soil resource, embedded high strength H shaped steel reinforced concrete column and the prestressing force coincide wave form web worker shape girder steel that this structural system adopted have good atress performance, anti-seismic performance is superior, can fully exert steel's intensity, reduce beam column cross sectional dimension and structural steel volume, the shock insulation support can reduce the displacement and the vibration of floor under the earthquake action, protect industrial equipment, the construction method that uses the assembly ization can show and improve the efficiency of construction, shorten construction cycle, wide engineering application prospect has.
The technical scheme of the utility model as follows:
the system comprises an embedded high-strength H-shaped steel pipe concrete column, a prestressed laminated corrugated web I-shaped steel beam, a net frame type composite floor slab, embedded high-strength H-shaped steel, an embedded high-strength H-shaped steel pipe concrete column outer side steel pipe, a flange connecting plate, bolts, laminated corrugated webs, an anchorage device, prestressed ribs, an I-shaped steel bracket, a concrete plate post-cast strip, studs, embedded steel bars, flange connections, a space net rack, a shock insulation support, a spring support, a displacement restraining ring, an anti-collision rubber pad and stiffening ribs.
The embedded high-strength H-shaped steel tube concrete column is formed by combining an outer steel tube, embedded high-strength H-shaped steel and filled concrete, the embedded H-shaped steel is made of high-strength steel with yield strength not lower than 420MPa, the column is prefabricated in sections according to transportation conditions and hoisting conditions, the upper end and the lower end of each section of the embedded high-strength H-shaped steel tube concrete column are welded with perforated flange plates, and the two sections of the prefabricated embedded high-strength H-shaped steel tube concrete columns are in lap joint through bolts.
The prestressed overlapped corrugated web I-shaped steel beam is formed by welding and combining an overlapped corrugated web and a flat flange plate which are formed by cold rolling, a prestressed tendon is tensioned at the lower flange of the steel beam, and the web is formed by combining two identical corrugated steel plates and is connected by adopting a bolt.
The I-shaped steel beam is extended into the steel tube concrete column through a hole in the steel tube when the I-shaped steel beam is prefabricated in a factory and is welded with the embedded high-strength H-shaped steel to form a bracket; when the prestressed laminated corrugated web I-shaped steel beam is installed, the prestressed laminated corrugated web I-shaped steel beam is connected with a bracket welded on the column in advance through bolts.
The net frame type composite floor slab is formed by a lower space net frame and an upper concrete slab together, the net frame and the concrete slab are effectively connected through studs, the net frame type composite floor slab is prefabricated in a blocking mode according to transportation conditions and hoisting conditions, and during construction and installation, net frame rod pieces of the net frame type composite floor slab are connected through flanges, and concrete is poured on a construction site through reserved post-pouring belts and pre-buried lap-joint reinforcing steel bars to form integral common work.
The shock insulation support is composed of a spring support, a stiffened displacement restraining ring and an anti-collision rubber pad.
The net frame type composite floor slab and the prestressed laminated corrugated web I-shaped steel beam are connected through the shock insulation support, so that the displacement and vibration of the floor slab under the action of an earthquake can be reduced, and high-precision industrial equipment is effectively protected.
The utility model discloses following beneficial effect has for prior art:
(1) the embedded high-strength H-shaped steel concrete filled steel tubular column can fully exert the mechanical properties of a steel structure, a reinforced concrete structure and respective materials, has excellent bearing capacity and earthquake resistance and is convenient to construct, the bending resistance of the embedded high-strength H-shaped steel can be improved by the embedded high-strength H-shaped steel, the adverse effect of the action of bending moment on the common concrete filled steel tubular column is effectively solved, and meanwhile, the high-strength H-shaped steel is not easy to destabilize due to the effective constraint of the concrete on the embedded high-strength H-shaped steel, the material strength can be fully exerted, and the;
(2) the out-of-plane bending rigidity of the laminated corrugated web plate I-shaped steel beam is remarkably improved, and the corrugated web plate has extremely low compressive rigidity along the longitudinal direction of the beam, so that the web plate of the laminated corrugated web plate I-shaped steel beam hardly bears the normal stress along the longitudinal direction of the beam, buckling under axial load is avoided, the shear-resistant buckling load is greatly improved, the shear-resistant requirement and the stability requirement of the web plate of a large-span heavy-load steel beam can be met, and the steel consumption of the steel beam web plate is greatly reduced;
(3) the laminated corrugated web can provide enough out-of-plane rigidity in the transportation and installation process of the member, and the shape of the section of the member is ensured not to change;
(4) the net frame type composite floor can effectively exert the advantages of a space net frame, and is beneficial to forming a large-span space and reducing the steel consumption;
(5) the net frame type composite floor slab and the prestressed laminated corrugated web I-shaped steel beam are connected through the shock insulation support, so that the displacement and vibration of the floor slab under the action of an earthquake can be reduced, and high-precision industrial equipment is effectively protected;
(6) the prestressed laminated corrugated web I-shaped steel beam and the embedded high-strength H-shaped steel pipe concrete column are connected in a penetrating manner, so that the structure is simple, the connection is reliable, and the construction is convenient;
(7) all the components of the structure system are prefabricated in a factory, and are spliced on site in a bolt or reserved post-cast strip mode, so that the construction efficiency can be obviously improved, the construction quality can be ensured, and the construction measure cost can be reduced.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Figure 2 is the utility model discloses embedded high strength H shaped steel core concrete column cross sectional view.
Fig. 3 is the utility model discloses embedded high strength H shaped steel concrete filled steel tubular column flange formula overlap joint elevation picture.
Fig. 4 is the utility model discloses embedded high strength H shaped steel reinforced concrete column flange formula overlap joint sectional view.
FIG. 5 is the cross-sectional view of the I-shaped steel beam with prestressed laminated corrugated web
Figure 6 is the utility model discloses prestressing force coincide wave web worker shape girder steel elevation picture.
Figure 7 is the utility model discloses prestressing force coincide wave web worker shape girder steel top view.
Fig. 8 is the utility model discloses embedded high strength H shaped steel core concrete column and through type beam column node elevation picture of prestressing force coincide wave web worker shape girder steel.
Fig. 9 is the utility model discloses embedded high strength H shaped steel core concrete column and through type beam column node top view of prestressing force coincide wave web worker shape girder steel.
Fig. 10 is the utility model discloses the net frame type composite floor divides the setting sketch map of prefabricated and post-cast strip of piece.
Fig. 11 is a schematic view of the connection mode of the concrete slab and the net rack rod of the net rack type composite floor of the present invention.
Figure 12 is the utility model discloses the schematic diagram that connects through the shock insulation support between floor and the I-shaped girder steel of prestressing force coincide wave form web.
Fig. 13 is a sectional view of the seismic isolation bearing of the present invention.
Fig. 14 is a top view of the seismic isolation bearing of the present invention.
In the figure: 1-embedded high-strength H-shaped steel pipe concrete column, 2-prestressed laminated wave-shaped web I-shaped steel beam, 3-net frame type composite floor slab, 4-embedded high-strength H-shaped steel, 5-embedded high-strength H-shaped steel pipe concrete column outer side steel pipe, 6-flange connecting plate, 7-bolt, 8-laminated wave-shaped web, 9-anchorage device, 10-prestressed tendon, 11-I-shaped steel bracket, 12-concrete plate post-cast strip, 13-stud, 14-embedded steel bar, 15-flange connection, 16-space net rack, 17-isolation support, 18-spring support, 19-displacement restraining ring, 20-anti-collision rubber pad and 21-stiffening rib.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to a heavy load multilayer industrial building assembled structure system is striden greatly to high performance, this system contains embedded high strength H shaped steel core concrete column (1), prestressing force coincide wave form web worker shape girder steel (2), net rack formula composite floor (3), embedded high strength H shaped steel (4), embedded high strength H shaped steel core concrete column outside steel pipe (5), flange joint board (6), bolt (7), coincide wave form web (8), ground tackle (9), prestressing tendons (10), I shaped steel bracket (11), concrete slab post-cast strip (12), peg (13), embedded steel bar (14), flange joint (15), space network frame (16), shock insulation support (17), spring support (18), displacement restraint ring (19), crashproof rubber pad (20), stiffening rib (21). The specific implementation steps are as follows:
and (I) prefabricating the embedded high-strength H-shaped steel pipe concrete column (1) and the I-shaped steel corbel (11) connected with the steel beam in a factory.
a. The high-strength H-shaped steel pipe concrete column (1) with the embedded steel pipes is prefabricated in sections according to transportation conditions and hoisting conditions, and the lap joint position of the column is taken at the middle recurve point between layers.
b. And finishing the hole opening of the upper flange connecting plate and the lower flange connecting plate (6) of each section of column (the hole opening aims to pour concrete from a hole), and the hole opening of the outer steel pipe (5) of the embedded high-strength H-shaped steel pipe concrete column at the beam column connecting node.
c. And (3) welding the embedded high-strength H-shaped steel (4) of each section of column with the upper and lower perforated flange connecting plates (6) (for the convenience of welding the high-strength embedded H-shaped steel with the upper and lower perforated flange connecting plates, the outer steel pipe of the concrete-filled steel pipe column with the embedded high-strength H-shaped steel is formed by splicing two semicircular steel pipes through butt welding seams).
d. The embedded high-strength H-shaped steel (4) and the I-shaped steel bracket (11) are welded at corresponding positions (in order to enable a force transmission path of a node to be more definite and obtain better stress performance, the upper flange plates of the I-shaped steel bracket in all directions are on the same horizontal plane).
e. The two semicircular steel pipes are installed at corresponding positions, connected through butt welding seams and then welded with the upper and lower perforated flange connecting plates (6).
f. Concrete pouring is carried out through holes reserved in the flange connecting plates (6), and therefore prefabrication of the section of the embedded high-strength H-shaped steel pipe concrete column (1) and the I-shaped steel corbel (11) connected with the steel beam is completed.
And (II) prefabricating the prestress laminated corrugated web I-shaped steel beam (2) in a factory.
a. According to the design size, the flat steel plate is cold rolled into a corrugated steel plate.
b. Two identical corrugated steel plates are connected through bolts (7) to form a superposed corrugated web (8).
c. And connecting the superposed corrugated web (8) with the upper flange and the lower flange through welding seams to form the superposed corrugated web I-shaped steel beam.
d. And (3) tensioning the prestressed ribs (10) at the lower flange of the laminated corrugated web I-shaped steel beam, and applying prestress to the laminated corrugated web I-shaped steel beam to finish the prefabrication of the prestressed laminated corrugated web I-shaped steel beam (2).
And (III) prefabricating the net rack type composite floor slab (3) in a factory, and performing block prefabrication on the net rack type composite floor slab according to the transportation condition and the hoisting condition.
And (IV) finishing the production of the vibration isolation support (17) in a factory.
Fifthly, after the foundation construction on site is completed, the embedded high-strength H-shaped steel pipe concrete column (1) is installed; after the installation of the column is finished, hoisting of the prestress laminated corrugated web I-shaped steel beam (2) is carried out, and the prestress laminated corrugated web I-shaped steel beam (2) is connected with an I-shaped steel corbel (11) connected to the column in advance through a bolt (7).
And (VI) after the installation of a layer of beam-column framework is completed on site, hoisting the net-frame type composite floor slabs (3), splicing the partitioned net-frame type composite floor slabs (3) through reserved concrete post-pouring belts and flanges as shown in fig. 11, and connecting the net-frame type composite floor slabs and the framework beams through shock-insulation supports (17) as shown in fig. 12, so that the assembly of the single-layer beam-column is completed.
And (seventhly) repeating the steps on site to carry out subsequent construction, wherein the columns are connected in a lap joint mode through flange-type lap joints of the embedded high-strength H-shaped steel pipe concrete columns shown in the figure 3, and the construction of the whole structure is completed.
The structure system can meet the requirements of industrial buildings on large-span space and large service load, can give full play to the material strength of high-strength steel and the large-span advantage of the corrugated web steel beam, the shock insulation support can reduce displacement and vibration of a floor slab under the action of an earthquake, effectively protects high-precision industrial equipment, the construction efficiency can be obviously improved and the construction period can be shortened by using an assembled construction mode, the system can greatly reduce the structural cost, effectively improve the land utilization rate, obviously improve the comprehensive benefit, and has wide engineering application prospect.
The foregoing is merely a preferred embodiment of the present invention, but the present invention is not limited to the specific embodiment described above. Those skilled in the art should appreciate that they may readily use the present disclosure as a basis for modifying or supplementing other structures, elements, or steps without departing from the principles of the present disclosure.
Although used more herein: the terms of 1-embedded high-strength H-shaped steel pipe concrete column, 2-prestressed laminated corrugated web I-shaped steel beam, 3-net frame type composite floor slab, 4-embedded high-strength H-shaped steel, 8-laminated corrugated web, 11-I-shaped steel bracket, 17-seismic isolation support and the like do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is contrary to the spirit of the present invention.
Claims (5)
1. The utility model provides a high performance strides heavily loaded multilayer industrial building assembled structure system greatly, characterized by: the system comprises an embedded high-strength H-shaped steel tube concrete column (1), a prestressed laminated corrugated web I-shaped steel beam (2), a net frame type composite floor slab (3), embedded high-strength H-shaped steel (4), an external steel tube (5) of the embedded high-strength H-shaped steel tube concrete column, a flange connecting plate (6), bolts (7), a laminated corrugated web (8), an anchorage device (9), prestressed ribs (10), I-shaped steel brackets (11), a concrete plate post-cast strip (12), studs (13), embedded steel bars (14), flange connections (15), a space net frame (16), shock insulation supports (17), spring supports (18), displacement restraint rings (19), anti-collision rubber pads (20) and stiffening ribs (21); the embedded high-strength H-shaped steel tube concrete column (1) is formed by combining an outer steel tube, embedded high-strength H-shaped steel (4) and filled concrete, wherein the embedded high-strength H-shaped steel (4) is made of high-strength steel with yield strength not lower than 420 MPa; the prestressed overlapped corrugated web I-shaped steel beam (2) is formed by welding and combining an overlapped corrugated web (8) formed by cold rolling and a flat flange plate, a prestressed tendon (10) is tensioned at the lower flange of the steel beam, and the web is formed by combining two identical corrugated steel plates and is connected by a bolt (7); the net rack type composite floor slab (3) is formed by a lower space net rack (16) and an upper concrete slab together, and the net rack and the concrete slab are effectively connected through studs (13); the shock insulation support (17) is composed of a spring support (18), a displacement restriction ring (19) with a stiffening rib (21) and an anti-collision rubber pad (20).
2. The high performance large span heavy duty multistory industrial building fabricated structural system of claim 1 wherein: the embedded high-strength H-shaped steel tube concrete column (1) is prefabricated in a segmented mode according to transportation conditions and hoisting conditions, the upper end and the lower end of each segment of the embedded high-strength H-shaped steel tube concrete column (1) are welded with perforated flange connecting plates (6), and the two segments of the prefabricated embedded high-strength H-shaped steel tube concrete columns (1) are connected in an overlapping mode through bolts (7).
3. The high performance large span heavy duty multistory industrial building fabricated structural system of claim 1 wherein: the I-shaped steel beam (2) is connected with the embedded high-strength H-shaped steel tube concrete column (1) in a penetrating manner, and when the I-shaped steel beam is prefabricated in a factory, a section of I-shaped steel beam extends into the steel tube concrete column through a hole in the steel tube and is welded with the embedded high-strength H-shaped steel (4) to form an I-shaped steel bracket (11); when the prestressed laminated corrugated web I-shaped steel beam is installed, the prestressed laminated corrugated web I-shaped steel beam (2) is connected with an I-shaped steel bracket (11) welded on the column in advance through bolts (7).
4. The high performance large span heavy duty multistory industrial building fabricated structural system of claim 1 wherein: and the net rack type composite floor slab (3) is prefabricated in blocks according to the transportation condition and the hoisting condition, and during construction and installation, the net rack rod piece of the net rack type composite floor slab (3) is integrally and jointly worked by pouring concrete on a construction site through the flange connection (15), the concrete slab through the reserved post-pouring belt (12) and the embedded steel bars (14).
5. The high performance large span heavy duty multistory industrial building fabricated structural system of claim 1 wherein: the net frame type composite floor slab (3) and the prestressed laminated corrugated web I-shaped steel beam (2) are connected through the shock insulation support (17), so that the displacement and vibration of the floor slab under the action of an earthquake can be reduced, and high-precision industrial equipment is effectively protected.
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