Steel frame and wood formwork system for bare concrete outer wall of basement

Abstract

The steel frame and wood formwork system for the bare concrete outer wall of the basement comprises wood face plates and a concrete bottom plate, a plurality of steel face plates are arranged on the front face of the wood face plates in the transverse direction, the steel face plates are connected with the wood face plates through a plurality of opposite-pull screws, triangular trusses are arranged on the tops of the steel face plates, and the concrete bottom plate is arranged on the concrete bottom plate. A cantilever frame is arranged on the outer side face of the top of the triangular truss. A wood springboard is arranged on the top of the triangular truss. A steel frame wood pattern is arranged at the bottom of the triangular truss, an enclosure structure is arranged on the other side of the wood panel, and a combined system of the steel frame wood pattern, the opposite-pull screws and the triangular truss is adopted, so that displacement and deformation of the formwork during pouring are effectively reduced; the waterproof performance of the whole system is improved by additionally arranging the water-swelling water-stop strips at the opposite-pull screws, welding the three water-stop rings and making waterproof coiled materials on the surface of the enclosure structure, the enclosure structure is subjected to chiseling, net hanging and guniting treatment, follow-up surveying and setting-out are facilitated, and the precision of the bare concrete wall is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel frame wood formwork support, in particular to a steel frame wood formwork system for the fair-faced concrete exterior wall of a basement. Background Technique

[0002] For fair-faced concrete, once formed, its surface has no any decorative effect. Therefore, the formwork system is the key factor determining the final forming effect of fair-faced concrete. For decorative fair-faced concrete, to ensure the flatness, smoothness and aesthetics of the concrete surface, the formwork system needs to have sufficient strength, stiffness, stability, bearing capacity and precision. For the fair-faced concrete exterior wall of a basement, the formwork system also needs to have sufficient waterproof performance. Content of the Utility Model

[0003] The purpose of the utility model is to provide a steel frame wood formwork system for the fair-faced concrete exterior wall of a basement, so as to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution:

[0005] A steel frame wood formwork system for the fair-faced concrete exterior wall of a basement, including a wood panel and a concrete floor slab. A plurality of steel panels are arranged horizontally on the front surface of the wood panel. A triangular truss is arranged on the top of the steel panel. A picket is arranged on the outer side surface of the top of the triangular truss. A wood plank is arranged on the top of the triangular truss;

[0006] A base steel pipe is arranged at the bottom of the steel panel. The other end of the base steel pipe is obliquely provided with a diagonal bracing steel pipe. The other end of the diagonal bracing steel pipe is connected to the steel panel and is located at the bottom of the triangular truss. A first support steel pipe is horizontally arranged inside the triangle formed by the steel panel, the diagonal bracing steel pipe and the base steel pipe, and a second support steel pipe is obliquely arranged. A retaining structure is arranged at intervals on the back surface of the wood panel. Fair-faced concrete is arranged between the retaining structure and the wood panel. The bottom of the fair-faced concrete is the concrete floor slab. Anchor bolts are obliquely arranged inside the concrete floor slab. A pressing beam is arranged at the top of the lowermost second support steel pipe. An outer connecting rod is arranged inside the pressing beam. One end of the outer connecting rod is located at the position of the anchor bolt, and the other end of the outer connecting rod is located above the top of the pressing beam;

[0007] The steel panel and the wood panel are connected to the retaining structure through a plurality of tie bolts. One end of the tie bolt needs to be embedded in the retaining structure by implanting steel bars.

[0008] Preferably, the base steel pipe is connected to the concrete floor slab through embedded steel bars.

[0009] Preferably, the connection between the tie bolt and the steel panel is fixed by a nut.

[0010] Preferably, a water stop strip is provided on the surface of the tie rod, and three water stop rings are welded at the water stop strip of the tie rod.

[0011] Preferably, the connection between the outer connecting rod and the pressing beam is fixed by a D20 nut. A D20 gasket is provided at the connection between the outer connecting rod and the pressing beam, and the D20 nut is located above the D20 gasket.

[0012] Preferably, a waterproof coiled material is provided on the surface of the retaining structure.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] The steel frame wood formwork system for the fair-faced concrete exterior wall of the basement of the present utility model adopts a combined system of steel frame wood formwork + tie rod + triangular truss, effectively reducing the displacement and deformation of the formwork during pouring; a water swelling water stop strip is added at the tie rod, three water stop rings are welded, and a 1.2 mm thick pre-laid polymer self-adhesive waterproof coiled material is made on the surface of the retaining structure, thereby improving the waterproof performance of the entire system. In addition, the retaining structure is roughened and shotcrete with wire mesh is carried out to facilitate subsequent measurement and setting out, and improve the accuracy of the fair-faced concrete wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the structural schematic diagram of the steel frame wood formwork of the present utility model.

[0017] In the figure: 1, steel panel; 2, picket; 3, wooden plank; 4, tie rod; 5, diagonal bracing steel pipe; 6, first support steel pipe; 7, second support steel pipe; 8, anchor bolt; 9, concrete floor slab; 10, base steel pipe; 11, outer connecting rod; 12, D20 nut; 13, D20 gasket; 14, pressing beam; 15, embedded steel bar; 16, nut; 17, water stop ring; 18, waterproof coiled material; 19, wooden panel; 20, triangular truss; 21, retaining structure. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0020] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0021] Please refer to Figure 1-2 , the present utility model provides a technical solution:

[0022] A steel frame wood formwork system for the fair-faced concrete exterior wall of the basement, including a wood panel 19 and a concrete floor slab 9. A plurality of steel panels 1 are arranged horizontally on the front surface of the wood panel 19. A triangular truss 20 is arranged at the top of the steel panel 1. A picket 2 is arranged on the outer side surface at the top of the triangular truss 20. A wood plank 3 is arranged at the top of the triangular truss 20;

[0023] A base steel pipe 10 is arranged at the bottom of the steel panel 1. An inclined strut steel pipe 5 is arranged obliquely at the other end of the base steel pipe 10. The other end of the inclined strut steel pipe 5 is connected to the steel panel 1 and is located at the bottom of the triangular truss 20. A first support steel pipe 6 is arranged horizontally inside the triangle formed by the steel panel 1, the inclined strut steel pipe 5, and the base steel pipe 10, and a second support steel pipe 7 is arranged obliquely. A retaining structure 21 is arranged at intervals on the back surface of the wood panel 19. Fair-faced concrete is arranged between the retaining structure 21 and the wood panel 19. The bottom of the fair-faced concrete is the concrete floor slab 9. Anchor bolts 8 are arranged obliquely inside the concrete floor slab 9. A pressure beam 14 is arranged at the top of the lowermost second support steel pipe 7. An outer connecting rod 11 is arranged inside the pressure beam 14. One end of the outer connecting rod 11 is located at the position of the anchor bolt 8, and the other end of the outer connecting rod 11 is located above the top of the pressure beam 14.

[0024] The steel panel 1 and the wood panel 19 are connected to the retaining structure 21 through a plurality of tension bolts 4. One end of the tension bolt 4 needs to be embedded in the retaining structure 21 by post-inserting steel bars.

[0025] Furthermore, the base steel pipe 10 is connected to the concrete floor slab 9 through embedded steel bars 15.

[0026] Furthermore, the tie rod 4 is fixed to the connection with the steel panel 1 through a nut 16.

[0027] Furthermore, a water stop strip is provided on the surface of the tie rod 4, and three water stop rings 17 are welded at the water stop strip of the tie rod 4 to solve the problem of water seepage.

[0028] Furthermore, the connection between the outer connecting rod 11 and the pressing beam 14 is fixed through a D20 nut 12. A D20 gasket 13 is provided at the connection between the outer connecting rod 11 and the pressing beam 14, and the D20 nut 12 is located above the D20 gasket 13.

[0029] Furthermore, a waterproof coiled material 18 is provided on the surface of the retaining structure 21. The waterproof coiled material 18 is a 1.2 mm thick pre-laid polymer self-adhesive film waterproof coiled material (non-bituminous base), mainly for waterproofing.

[0030] The steel panel 1 is made of 60*60 and 40*40 square steel pipes, connected by special fixtures. The second support steel pipe 7 is a 50*100 rectangular pipe, and the first support steel pipe 6 is a 60*100 mm steel plate. The wooden panel 19 is a 18 mm high-quality WISA fair-faced formwork with a smooth surface, easy demoulding, high strength, light weight, good surface wear resistance and strong nail holding force. The wooden panel 19 is connected to the steel panel 1 from the back with wood screws, and attention should be paid to controlling the length of the wood screws to prevent the wood screws from penetrating the panel. The retaining structure 21 needs to be roughened and shotcreted with wire mesh. One end of the tie rod 4 needs to be post-embedded into the retaining structure 21. The inner and outer wall formworks are reinforced with five-section through-wall bolts. By using the triangular truss 20 as the support structure of the steel frame wood formwork, the displacement and deformation of the entire steel frame wood formwork system are effectively reduced, thus ensuring the flatness and perpendicularity of the fair-faced surface. For the case of fair-faced concrete walls that need to be cast in multiple layers, some fair-faced walls may not have a reliable support platform to set up the triangular truss, and a steel section bracket is used for interlayer conversion.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel frame wood formwork system for fair - faced concrete exterior walls of basements, comprising a wood panel (19) and a concrete floor slab (9), characterized in that: On the front of the wooden panel (19), a number of steel panels (1) are arranged horizontally. At the top of the steel panel (1), a triangular truss (20) is provided. On the outer side of the top of the triangular truss (20), a cantilever truss (2) is provided. At the top of the triangular truss (20), a wooden plank (3) is provided; At the bottom of the steel panel (1), there is a base steel pipe (10). At the other end of the base steel pipe (10), a diagonal bracing steel pipe (5) is inclined. The other end of the diagonal bracing steel pipe (5) is connected to the steel panel (1) and is located at the bottom of the triangular truss (20). Inside the triangle formed by the steel panel (1), the diagonal bracing steel pipe (5), and the base steel pipe (10), a first support steel pipe (6) is arranged horizontally and a second support steel pipe (7) is arranged obliquely. At intervals on the back of the wooden panel (19), an enclosure structure (21) is provided. Between the enclosure structure (21) and the wooden panel (19), fair-faced concrete is provided. The bottom of the fair-faced concrete is a concrete floor slab (9). Inside the concrete floor slab (9), anchor bolts (8) are arranged obliquely. At the top of the lowermost second support steel pipe (7), a compression beam (14) is provided. Inside the compression beam (14), an outer connecting rod (11) is provided. One end of the outer connecting rod (11) is located at the anchor bolt (8), and the other end of the outer connecting rod (11) is above the top of the compression beam (14); The steel panel (1) and the wooden panel (19) are connected to the enclosure structure (21) by a number of tie bolts (4). One end of the tie bolt (4) needs to be post-embedded into the enclosure structure (21).

2. The steel frame and wood formwork system for fair - faced concrete exterior walls of basements according to claim 1, wherein: The base steel pipe (10) is connected to the concrete floor slab (9) by embedded steel bars (15).

3. The steel frame and wood formwork system for fair-faced concrete exterior walls of basements according to claim 1, wherein: The connection between the tie bolt (4) and the steel panel (1) is fixed by a nut (16).

4. The steel frame wood formwork system for fair - faced concrete exterior walls of basements according to claim 1, wherein: A water stop strip is provided on the surface of the tie bolt (4). Three water stop rings (17) are welded at the water stop strip of the tie bolt (4).

5. The steel frame and wooden formwork system for fair-faced concrete exterior walls of basements according to claim 1, characterized in that: The connection between the outer connecting rod (11) and the compression beam (14) is fixed by a D20 nut (12). A D20 washer (13) is provided at the connection between the outer connecting rod (11) and the compression beam (14). The D20 nut (12) is located above the D20 washer (13).

6. The steel frame and wood formwork system for fair - faced concrete exterior walls of basements according to claim 1, wherein: A waterproof coiled material (18) is provided on the surface of the enclosure structure (21).

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