Reinforcing steel bar ceramsite concrete light composite wallboard

Abstract

The utility model discloses a reinforcing steel bar ceramsite concrete light composite wallboard which comprises a ceramsite concrete layer and a prefabricated reinforcing steel bar layer, the prefabricated reinforcing steel bar layer comprises a reinforcing steel bar truss and reinforcing steel bar nets distributed on the two sides of the reinforcing steel bar truss, and a binding layer is further arranged between the prefabricated reinforcing steel bar layer and the ceramsite concrete layer. The steel bar truss is composed of a row of main bars, a plurality of first wave bars and a plurality of second wave bars, the first wave bars and the second wave bars are supported between the row of main bars, the steel bar net is formed by vertically overlapping a row of longitudinal bars and a row of transverse bars, the two ends of each longitudinal bar are horizontally bent to form hooks, and threaded grooves are formed in the surfaces of the transverse bars. A plurality of anchoring nails are arranged on the side, close to the combining layer, of the reinforcing mesh. According to the utility model, the bonding layer is arranged to inhibit crack development and reduce the layering risk; a hook structure and an anchoring nail are arranged to increase the anchoring force of the reinforcing steel bar; and the formed threaded grooves improve the bond strength of the steel bars and the concrete, so that the bonding strength of the whole wallboard is effectively improved, and the problem that the ceramsite concrete layer 1 and the steel bar framework are prone to layering is solved.

Description

Technical Field

[0001] This utility model relates to the field of lightweight wall panel technology, and in particular to a reinforced ceramsite concrete lightweight composite wall panel. Background Technology

[0002] Reinforced ceramsite concrete wall panels are made from lightweight clay ceramsite, perlite, high-strength cement, and admixtures. They have an internal steel reinforcement skeleton and are formed by casting and curing into lightweight strip wall panels. They are a new type of wall material with advantages such as lightweight, high strength, and convenient and quick installation.

[0003] However, the existing reinforced aerated concrete wall panels have a small contact area between the concrete layer and the reinforcing steel skeleton, resulting in poor bonding strength and the possibility of delamination.

[0004] Therefore, we propose a reinforced ceramsite concrete lightweight composite wall panel to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a reinforced ceramsite concrete lightweight composite wall panel to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A lightweight composite wall panel made of reinforced aerated concrete includes an aerated concrete layer and a precast steel reinforcement layer. The precast steel reinforcement layer includes a steel truss and a steel mesh distributed on both sides of the steel truss. A bonding layer is also provided between the precast steel reinforcement layer and the aerated concrete layer. The steel truss consists of a row of main bars and several corrugated bars I and II supporting the row of main bars. The corrugated bars I and II are arranged alternately along the length of the main bars. The steel mesh is formed by a row of longitudinal bars and a row of transverse bars that are vertically overlapped. The ends of the longitudinal bars are bent horizontally to form hooks, and the surface of the transverse bars is provided with threaded grooves. Several anchoring nails are provided on the side of the steel mesh near the bonding layer.

[0008] In a further embodiment, the bonding layer is made of expanded clay concrete mixed with 0.8-1.2% by volume of steel fiber or polypropylene fiber.

[0009] In a further embodiment, the crest height of the first and second wave ribs is 50 mm.

[0010] In a further embodiment, the spacing between adjacent longitudinal bars is 100 mm, and the spacing between adjacent transverse bars is 150 mm.

[0011] In a further embodiment, the length of the hook is ≥ 5 times the diameter of the longitudinal reinforcement.

[0012] In a further embodiment, the depth of the threaded groove is 0.3-0.5 mm, and the spacing is 10-15 mm.

[0013] In a further embodiment, the anchor nails are 15-20mm long, arranged in a quincunx pattern on the surface of the steel mesh, and the spacing is ≤150mm.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention effectively improves the bonding strength of the entire wall panel by setting a bonding layer to inhibit crack propagation and reduce the risk of delamination; the hook structure increases the anchoring force at the ends of the reinforcing bars; the threaded groove enhances the bond strength between the reinforcing bars and concrete; and the anchoring nails increase the anchoring force between the concrete and the reinforcing bars. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the precast steel reinforcement layer disassembly structure of this utility model;

[0018] Figure 3 This is a partial structural diagram of the steel truss of this utility model;

[0019] Figure 4 This is a partial structural diagram of the steel mesh of this utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the present invention.

[0021] In the diagram: 1. Lightweight aggregate concrete layer; 2. Bonding layer; 3. Steel truss; 31. Main reinforcement; 32. Corrugated reinforcement 1; 33. Corrugated reinforcement 2; 4. Steel mesh; 41. Longitudinal reinforcement; 411. Hook; 42. Transverse reinforcement; 421. Threaded groove; 43. Anchor nail. Detailed Implementation

[0022] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5A lightweight composite wall panel made of reinforced aerated concrete includes an aerated concrete layer 1 and a precast steel reinforcement layer. The precast steel reinforcement layer includes a steel truss 3 and a steel mesh 4 distributed on both sides of the steel truss 3. A bonding layer 2 is provided between the precast steel reinforcement layer and the aerated concrete layer 1. Specifically, the bonding layer 2 is made of aerated concrete with 0.8-1.2% steel fiber or polypropylene fiber added by volume, which can improve crack resistance and reduce the risk of delamination. The steel truss 3 consists of a row of main bars 31 and several corrugated bars 32 and 33 supporting the row of main bars 31. The corrugated bars 32 and 33 are arranged alternately along the length of the main bars 31. Specifically, the crest height of the corrugated bars 32 and 33 is 50mm. The intersection of the corrugated bars and the main bars 31 can be fixed by binding with steel wire or by welding. The steel mesh 4 is formed by a row of longitudinal bars 41 and a row of transverse bars 42 overlapping vertically. Specifically, adjacent longitudinal bars 41 and 42 are arranged alternately. The spacing of the longitudinal reinforcement 41 is 100mm, and the spacing of adjacent transverse reinforcement 42 is 150mm. The intersection of the longitudinal reinforcement 41 and the transverse reinforcement 42 can be fixed by binding with steel wire or by welding. The two ends of the longitudinal reinforcement 41 are bent horizontally to form hooks 411. Specifically, the length of the hooks 411 is ≥ 5 times the diameter of the longitudinal reinforcement 41. The hooks 411 increase the anchorage force at the end of the reinforcement. The surface of the transverse reinforcement 42 is provided with threaded grooves 421. The threaded grooves 421 are formed by continuous surface pressing. Specifically, the depth of the threaded grooves 421 is 0.3-0.5mm, and the spacing is 10-15mm, which improves the bond strength between the reinforcement and the concrete. Several anchor nails 43 are provided on the side of the steel mesh 4 near the bonding layer 2. Specifically, the length of the anchor nails 43 is 15-20mm. They are arranged in a quincunx pattern on the surface of the steel mesh 4, and the spacing is ≤ 150mm. The anchor nails 43 are welded at the intersection of the steel mesh 4 to improve the anchorage force between the concrete and the reinforcement.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A lightweight reinforced ceramsite concrete composite wallboard, comprising a ceramsite concrete layer (1) and a prefabricated reinforcing layer, characterized in that: The precast steel reinforcement layer includes a steel truss (3) and a steel mesh (4) distributed on both sides of the steel truss (3). A bonding layer (2) is also provided between the precast steel reinforcement layer and the ceramsite concrete layer (1). The steel truss (3) consists of a row of main bars (31) and several corrugated bars I (32) and corrugated bars II (33) supporting the row of main bars (31). The corrugated bars I (32) and corrugated bars II (33) are arranged alternately along the length of the main bars (31). The steel mesh (4) is formed by a row of longitudinal bars (41) and a row of transverse bars (42) overlapping vertically. The ends of the longitudinal bars (41) are bent horizontally to form hooks (411). The surface of the transverse bars (42) is provided with threaded grooves (421). Several anchor nails (43) are provided on the side of the steel mesh (4) near the bonding layer (2).

2. A reinforced haydite concrete lightweight composite wall panel according to claim 1, characterized in that: The crest height of the first wave rib (32) and the second wave rib (33) is 50 mm.

3. A reinforced haydite concrete lightweight composite wall panel according to claim 1, characterized in that: The spacing between adjacent longitudinal bars (41) is 100mm, and the spacing between adjacent transverse bars (42) is 150mm.

4. The reinforced haydite concrete light composite wall panel according to claim 1, characterized in that: The length of the hook (411) is ≥ 5 times the diameter of the longitudinal reinforcement (41).

5. The reinforced haydite concrete light weight composite wall panel as claimed in claim 1 wherein: The depth of the threaded groove (421) is 0.3-0.5mm, and the spacing is 10-15mm.

6. A reinforced haydite concrete lightweight composite wall panel according to claim 1, characterized in that: The anchor nails (43) are 15-20mm long and are arranged in a quincunx pattern on the surface of the steel mesh (4), with a spacing of ≤150mm.

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