An assembled thin-film column composite structure

Abstract

An assembled thin-film column composite structure includes two L-shaped thin-film column units with the same structure; the L-shaped thin-film column unit includes an L-shaped skeleton, a steel bar truss and a steel film with matching lengths. Steel films are respectively fixed on the inner sides of the two sides of the L-shaped skeleton. The steel film closes the opening formed between the angle steel and the long steel plate. A steel bar truss is fixed on the steel film inside the L-shaped skeleton, and the steel bar truss is arranged along the length direction of the L-shaped skeleton. The two L-shaped thin-film column units are respectively the first film column unit and the second film column unit. The long steel plates on both sides of the first film column unit are welded to the long steel plates on both sides of the second film column unit. After the first film column unit and the second film column unit are connected, a casting cavity is formed in the middle. Concrete is cast in the casting cavity. This device saves steel consumption and has good economy. The whole can be prefabricated in the factory, and the on-site assembly degree is higher.

Description

Technical Field

[0001] The invention belongs to the field of building structures, and particularly relates to a prefabricated thin-film column composite structure. Background Art

[0002] The column structures in buildings include two types: concrete structures and steel structures. The defects of traditional concrete structures are as follows: a large amount of on-site labor is required, a large amount of wood is used in construction, and pollution such as waste water and dust is serious. However, the advantages of concrete structures are low cost and flexible building layout. Steel structure is an industrialized building system, and steel structures meet the requirements of building industrialization standards such as standardized design, factory production, assembled construction, and informatized management. Steel structures adopt assembled construction, which can save a large amount of labor and generate less construction waste during the construction process, and are energy-saving and environmentally friendly. However, the steel columns in steel structures require large steel beams, resulting in a significant increase in construction costs. Summary of the Invention

[0003] The invention provides a prefabricated thin-film column composite structure with reasonable stress, fast construction speed, high construction efficiency, low steel consumption and low cost to solve the deficiencies of the prior art.

[0004] To achieve the above object, the invention first proposes a prefabricated thin-film column composite structure, which includes two L-shaped thin-film column units with the same structure. The L-shaped thin-film column unit includes an L-shaped skeleton, a steel bar truss and a steel film with matching lengths. The L-shaped skeleton includes angle steel, long steel plates and transverse gusset plates. The angle steel is arranged vertically, and the two long steel plates are respectively arranged vertically on both sides of the angle steel, and the outer sides of the long steel plates are flush with the outer sides of the corresponding wing plates of the angle steel. The angle steel and the long steel plates are connected into a whole by multiple transverse gusset plates. Steel films are respectively fixed on the inner sides of the two sides of the L-shaped skeleton, and the steel films close the openings formed between the angle steel and the long steel plates. A steel bar truss is fixed on the steel film inside the L-shaped skeleton, and the steel bar truss is arranged along the length direction of the L-shaped skeleton. The two L-shaped thin-film column units are respectively the first film column unit and the second film column unit. The long steel plates on both sides of the first film column unit are welded to the long steel plates on both sides of the second film column unit. After the first film column unit and the second film column unit are connected, a casting cavity is formed in the middle, and concrete is poured into the casting cavity.

[0005] With the above structure, this structure divides the assembled thin-film column composite structure into two L-shaped thin-film column units with the same structure. The L-shaped thin-film column unit is composed of an L-shaped skeleton and a steel film. Compared with the existing steel plates, the steel consumption of the steel film is greatly reduced, thus saving costs. On the one hand, the structure of the two L-shaped thin-film column units facilitates prefabrication and installation in the factory, resulting in a higher degree of on-site assembly and faster construction speed. On the other hand, it is convenient to install and arrange the internal steel bar trusses during assembly; in this structure, steel bar trusses are arranged in the L-shaped skeleton. While increasing the stiffness of the assembled thin-film beam, the steel bar trusses reduce the weight of the entire assembled thin-film beam, thus better adapting to the process of transporting the prefabricated components from the factory to the construction site for assembly; in this structure, the angle steel and the long steel plate that make up the L-shaped skeleton are connected by transverse gusset plates, which improves the stability of the L-shaped skeleton. Moreover, when the first thin-film column unit and the second thin-film column unit are combined and concrete is poured into the pouring cavity, the concrete combines with the steel bar trusses, resulting in good overall mechanical properties of the finally formed assembled thin-film beam; and the entire structure can be prefabricated in the factory, with a higher degree of on-site assembly.

[0006] In this embodiment, a joint domain steel plate is provided between the angle steel and the long steel plate in the joint connection area of the beam and column. The two ends of the joint domain steel plate are respectively welded to the angle steel and the long steel plate. The joint domain steel plate is used to strengthen the strength of the beam-column joint.

[0007] In this embodiment, L-shaped stiffening steel plates matching the inner shape of the L-shaped skeleton are fixed at the corresponding positions of the transverse gusset plates and the joint domain steel plates on the inner side of the L-shaped skeleton. The L-shaped stiffening steel plates provided on the joint domain steel plates are welded to the joint domain steel plates and the L-shaped skeleton, and the L-shaped stiffening steel plates provided on the transverse gusset plates are welded to the transverse gusset plates and the L-shaped skeleton. By providing L-shaped stiffening steel plates inside the L-shaped skeleton, the mechanical properties of this structure are improved.

[0008] In this embodiment, steel sheets are welded to the L-shaped stiffening steel plates of the first thin-film column unit and the second thin-film column unit that face each other. The corresponding steel sheets on the L-shaped stiffening steel plates that face each other are respectively arranged on both sides of the L-shaped stiffening steel plates and both protrude from the L-shaped stiffening steel plates. After the first thin-film column unit and the second thin-film column unit are assembled, the L-shaped stiffening steel plates of the first thin-film column unit and the second thin-film column unit are welded to each other through the steel sheets. Specifically: due to preventing interference and errors, there is a certain distance between the butt joints of the adjacent L-shaped stiffening steel plates of the L-shaped stiffening steel plates of the first thin-film column unit and the second thin-film column unit. Through the steel sheets, this distance is just filled. The L-shaped stiffening steel plates of the first thin-film column unit and the second thin-film column unit are welded into a whole through the steel sheets, thus improving the integrity of the assembly of the first thin-film column unit and the second thin-film column unit.

[0009] In this embodiment, an outer ring plate is fixed at the position of the joint domain steel plate on the outside of the assembled thin-film column composite structure. The size and shape of the inner hole of the outer ring plate match the size and shape of the outer diameter of the assembled thin-film column composite structure, so as to ensure that the L-shaped skeleton has sufficient stiffness and does not deform during pouring.

[0010] In this embodiment, each group of steel bar trusses includes three vertical steel bars arranged in a triangle and multiple inclined steel bars welded between adjacent vertical steel bars to fixedly connect the three vertical steel bars. The steel bar trusses ensure that the vertical tensile or compressive forces of the cruciform thin-film wall abdomen meet the design requirements. While increasing the stiffness of the cruciform thin-film wall abdomen, the weight of the entire cruciform thin-film wall abdomen is reduced.

[0011] In this embodiment, the steel bar trusses are welded to both the L-shaped skeleton and the steel film.

[0012] In this embodiment, at least one row of stud bolts is welded on one side of the angle steel and the long steel plate in the pouring cavity. The stud bolts increase the integrity of the steel structure and concrete.

[0013] In this embodiment, strip holes are provided at the positions of the L-shaped stiffening steel plates corresponding to the vertical longitudinal bars of the steel bar trusses to prevent interference between the L-shaped stiffening steel plates and the steel bar trusses during installation.

[0014] Adopting the above structure, this structure has the following advantages:

[0015] 1. The steel consumption is saved, and it is economical and fast;

[0016] 2. The on-site assembly degree is higher, and the construction speed is faster;

[0017] 3. This structure can be prefabricated and assembled for use. The product quality is reliable, and a large amount of labor is saved.

[0018] In summary, this device is composed of an L-shaped skeleton and a steel film. Compared with the existing steel plates, the steel consumption of the steel film is greatly reduced, thus saving costs. Moreover, the entire device can be prefabricated in the factory, and the on-site assembly degree is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present invention;

[0020] Figure 2 is a cross-sectional view of the present invention;

[0021] Figure 3 is an assembly process diagram of the present invention;

[0022] Figure 4 is an exploded view of the present invention.

[0023] In the attached drawings, 1 is an assembled thin-film column composite structure, 2 is an angle steel, 3 is a long steel plate, 4 is a steel bar truss, 5 is a steel film, 6 is an L-shaped stiffening steel plate, 7 is a steel sheet, 8 is a stud, 9 is concrete, 10 is a first film column unit, 11 is a second film column unit, 12 is a transverse batten plate, 13 is a joint area steel plate, and 14 is an outer ring plate. Detailed implementation manners

[0024] 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0026] As Figures 1 to 4 shown, the present invention provides an assembled thin-film column composite structure 1, which includes two L-shaped thin-film column units with the same structure;

[0027] The L-shaped thin-film column unit includes an L-shaped skeleton, a steel bar truss 4, and a steel film 5 with matching lengths. The L-shaped skeleton includes angle steel 2, long steel plates 3, and transverse gusset plates 12. The angle steel 2 is arranged vertically, and two long steel plates 3 are respectively arranged vertically on both sides of the angle steel 2. The long steel plates 3 are arranged on the extension surfaces of the flange plates of the angle steel 2 and are flush with the outer side surfaces of the flange plates of the angle steel 2. A plurality of transverse gusset plates 12 are welded between the inner sides of the angle steel 2 and the long steel plates 3, and the angle steel 2 and the long steel plates 3 are connected to each other as a whole through the plurality of transverse gusset plates 12. A joint domain steel plate 13 is arranged between the angle steel 2 and the long steel plates 3 in the joint connection area of the beam and column. The two ends of the joint domain steel plate 13 are respectively welded to the angle steel 2 and the long steel plates 3. Steel films 5 are laid on the inner sides of both sides of the L-shaped skeleton, and the steel films 5 are fixed to the L-shaped skeleton by spot welding. The steel films 5 enclose the opening formed between the angle steel 2 and the long steel plates 3. L-shaped stiffening steel plates matching the inner shape of the L-shaped skeleton are fixed at the positions corresponding to the transverse gusset plates 12 and the joint domain steel plate 13 on the inner side of the L-shaped skeleton. The L-shaped stiffening steel plates arranged on the joint domain steel plate 13 are welded to the joint domain steel plate 13 and the L-shaped skeleton, and the L-shaped stiffening steel plates arranged on the transverse gusset plates 12 are welded to the transverse gusset plates 12 and the L-shaped skeleton. Steel bar trusses 4 are respectively arranged on the inner sides of both sides of the L-shaped skeleton on the steel films 5. The steel bar trusses 4 are arranged along the length direction of the L-shaped skeleton, and the steel bar trusses 4 are welded to the L-shaped skeleton and the steel films 5.

[0028] The two L-shaped thin-film column units are respectively a first film column unit 10 and a second film column unit 11. The long steel plates 3 on both sides of the first film column unit 10 are perpendicularly lapped with the long steel plates 3 on both sides of the second film column unit 11 and are connected by a single-bevel groove weld. After the first film column unit 10 and the second film column unit 11 are connected, a casting cavity is formed in the middle, and concrete 9 is cast in the casting cavity. Before casting, an outer ring plate 14 is fixed at the position of the joint domain steel plate 13 on the outer side of the assembled thin-film column composite structure. The size and shape of the inner hole of the outer ring plate 14 match the size and shape of the outer diameter of the assembled thin-film column composite structure to ensure that the L-shaped skeleton has sufficient stiffness and does not deform during casting.

[0029] In this embodiment, the steel film is a galvanized steel film or an anti-rust material layer is coated on both the inner and outer sides of the steel film. At least one row of stud bolts 8 is welded on the side of the angle steel 2 and the long steel plates 3 in the casting cavity. The integrity of the steel structure and the concrete is increased through the stud bolts. A single-bevel groove is opened on the long steel plate 3 at the overlapping part of the first film column unit 10 and the second film column unit 11. After assembly, the long steel plate 3 of the second film column unit 11 extends a certain length beyond the edge of the long steel plate of the first film column unit 10.

[0030] The L-shaped stiffening steel plate 6 is provided with a strip-shaped hole at the position where the vertical longitudinal bars of the steel bar truss 4 pass through to prevent interference between the L-shaped stiffening steel plate 6 and the steel bar truss 4 during installation.

[0031] Steel sheets 7 are welded on the L-shaped stiffening steel plates 6 of the first membrane column unit 10 and the second membrane column unit 11 which face each other. The corresponding steel sheets 7 on the upper part of the L-shaped stiffening steel plates 6 are respectively arranged on both sides of the L-shaped stiffening steel plates 6 and both extend out of the L-shaped stiffening steel plates 6. After the first membrane column unit 10 and the second membrane column unit 11 are assembled, the L-shaped stiffening steel plates 6 on the first membrane column unit 10 and the L-shaped stiffening steel plates 6 on the second membrane column unit 11 are welded to each other through the steel sheets 7. Specifically: after the L-shaped stiffening steel plates 6 of the first membrane column unit 10 and the second membrane column unit 11 are arranged in one-to-one correspondence, due to preventing interference and errors, there is a certain distance at the butt joint part of the adjacent L-shaped stiffening steel plates 6. Through the steel sheets 7, this distance is just made up, and the L-shaped stiffening steel plates 6 of the first membrane column unit 10 and the second membrane column unit 11 are welded into a whole through the steel sheets 7.

[0032] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. All equivalent structural transformations made under the concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An assembled thin-film column composite structure, characterized in that: It includes two L-shaped thin-film column units with the same structure. The L-shaped thin-film column unit includes an L-shaped skeleton, a steel bar truss (4) and a steel film (5) with matching lengths. The L-shaped skeleton includes angle steel (2), long steel plates (3) and transverse gusset plates (12). The angle steel (2) is arranged vertically, and two long steel plates (3) are respectively arranged vertically on both sides of the angle steel (2). The angle steel (2) and the long steel plates (3) are connected into a whole by multiple transverse gusset plates (12). Steel films (5) are respectively fixed on the inner sides of the two sides of the L-shaped skeleton. The steel films (5) enclose and seal the opening formed between the angle steel (2) and the long steel plates (3). A steel bar truss (4) is fixed on the inner side of the L-shaped skeleton and on the steel film (5). The steel bar truss (4) is arranged along the length direction of the L-shaped skeleton. The two L-shaped thin-film column units are respectively a first film column unit (10) and a second film column unit (11). The long steel plates (3) on both sides of the first film column unit (10) are welded to the long steel plates (3) on both sides of the second film column unit (11). After the first film column unit (10) and the second film column unit (11) are connected, a casting cavity is formed in the middle. Concrete (9) is cast in the casting cavity.

2. The assembled thin-film column composite structure according to claim 1, characterized in that: A joint area steel plate (13) is arranged between the angle steel (2) and the long steel plate (3) in the beam-column joint connection area. The two ends of the joint area steel plate (13) are respectively welded to the angle steel (2) and the long steel plate (3).

3. The assembled thin-film column composite structure according to claim 2, characterized in that: L-shaped stiffening steel plates (6) matching the inner shape of the L-shaped skeleton are fixed at the positions corresponding to the transverse gusset plates (12) and the joint area steel plate (13) on the inner side of the L-shaped skeleton. The L-shaped stiffening steel plates (6) arranged on the joint area steel plate (13) are welded and connected to the joint area steel plate (13) and the L-shaped skeleton. The L-shaped stiffening steel plates (6) arranged on the transverse gusset plates (12) are welded and connected to the transverse gusset plates (12) and the L-shaped skeleton.

4. The assembled thin-film column composite structure according to claim 3, characterized in that: Steel sheets (7) are welded on the opposite L-shaped stiffening steel plates (6) of the first film column unit (10) and the second film column unit (11). The corresponding steel sheets (7) on the opposite L-shaped stiffening steel plates (6) are respectively arranged on both sides of the L-shaped stiffening steel plates (6) and both protrude from the L-shaped stiffening steel plates (6).

5. The assembled thin-film column composite structure according to claim 4, characterized in that: An outer ring plate (14) is fixed at the position of the joint area steel plate (13) on the outer side of the assembled thin-film column composite structure. The size and shape of the inner hole of the outer ring plate (14) match the size and shape of the outer diameter of the assembled thin-film column composite structure.

6. The assembled thin-film column composite structure according to claim 1, characterized in that: Each group of steel bar trusses (4) includes three vertical steel bars arranged in a triangle and multiple inclined steel bars welded between adjacent vertical steel bars to fixedly connect the three vertical steel bars.

7. The assembled thin-film column composite structure according to claim 6, characterized in that: The steel bar truss (4) is welded and connected to both the L-shaped skeleton and the steel film (5).

8. The assembled thin-film column composite structure according to claim 6, characterized in that: Strip-shaped holes are formed at the parts of the L-shaped stiffening steel plates (6) corresponding to the vertical longitudinal bars of the steel bar trusses (4).

9. The assembled thin-film column composite structure according to any one of claims 1 to 8, characterized in that: At least one row of stud bolts (8) is welded on one side of the angle steel (2) and the long steel plate (3) in the casting cavity.

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