Steel plate and concrete combined civil air defense wall structure

Abstract

The utility model relates to the related technical field of civil air defense engineering, in particular to a steel plate and concrete combined type civil air defense wall structure which comprises a reinforced concrete wall arranged between a civil air defense top plate and a civil air defense bottom plate. A plurality of combined steel plates are fixedly installed on the inner side of the reinforced concrete wall, sawteeth are formed at the two ends of each steel plate in the vertical direction, and the sawteeth are inserted into the civil air defense top plate and the civil air defense bottom plate. According to the civil air defense wall, the wall body formed by combining the single-side reinforced concrete wall and the multiple steel plates is adopted, and the steel plates are arranged on the inner side of the combined wall body, so that the situation that the reinforced concrete wall cracks and seeps water into the wall can be avoided, and the civil air defense wall body is more regular and attractive; meanwhile, the steel plate can replace a side wall formwork, the formwork is omitted, horizontal distribution bars are replaced, steel bars are saved, the surface of the steel plate is flat and smooth, a plaster layer can be omitted, the steel plate is located on the outermost side of midspan stress, the thickness of a protective layer is omitted, and stress is reasonable and economical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of civil air defence engineering, and concretely is a steel plate concrete combined civil air defence wall structure. BACKGROUND

[0002] Civil air defence wall refers to underground protective building which is built separately for protecting personnel and materials, air defence command and medical aid in wartime, and basement which is built in combination with ground building and can be used for air defence in wartime. Generally, the civil air defence wall is made of reinforced concrete or brick concrete structure to meet various requirements of civil air defence engineering, such as protection, airtightness, durability and stability. The civil air defence wall is usually used for dividing the interior of the civil air defence cavern, which can effectively improve the protection capability and use efficiency of the civil air defence engineering.

[0003] In the existing civil air defence basement garage, the civil air defence wall is mostly supported by reinforced concrete, and the reinforcement amount in the civil air defence wall is relatively large. In addition, cracks are prone to occur in the civil air defence wall of the basement in engineering practice, which often leads to leakage and needs to be repaired, thereby reducing the engineering quality of the basement of the civil air defence area and affecting the appearance of the wall of the basement. SUMMARY

[0004] The utility model aims at providing a steel plate concrete combined civil air defence wall structure to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A steel plate concrete combined civil air defence wall structure comprises a reinforced concrete wall arranged between a civil air defence top plate and a civil air defence bottom plate.

[0007] A plurality of combined steel plates are fixedly installed on the inner side of the reinforced concrete wall, and the steel plates are formed with sawteeth at both ends in the vertical direction, which are inserted into the civil air defence top plate and the civil air defence bottom plate.

[0008] A reinforcing member is arranged at the connecting position of two adjacent steel plates.

[0009] The steel plate concrete combined civil air defence wall structure as described above is characterized in that the sawteeth are anchored to the civil air defence top plate and the civil air defence bottom plate.

[0010] The steel plate concrete combined civil air defence wall structure as described above is characterized in that the steel plates are connected to the reinforced concrete wall through bolts.

[0011] The steel plate concrete combined civil air defence wall structure as described above is characterized in that the side ends of the steel plates are formed with a plurality of through holes, the reinforced concrete wall is formed with corresponding counterbores, the bolts penetrate through the through holes and extend into the counterbores and are threadedly connected to the counterbores.

[0012] The steel plate concrete combined civil defense wall structure as described above: the contact surface of the steel plate and the stud is coated with an epoxy resin coating.

[0013] The steel plate concrete combined civil defense wall structure as described above: the reinforcing member comprises a reinforcing band, which is arranged at the joint of two adjacent steel plates and away from one side of the reinforced concrete wall, abuts against and is fixed with the two side edges of the two steel plates respectively, and a steel mesh is laid on the side of the reinforcing band away from the steel plate, and the two ends of the steel mesh are inserted into the civil defense roof and the civil defense floor and are anchored with the civil defense roof and the civil defense floor.

[0014] The steel plate concrete combined civil defense wall structure as described above: the civil defense roof is provided with a second surface bar and a second bottom bar, and the two bars are arranged at the top and the bottom of the civil defense roof respectively.

[0015] The steel plate concrete combined civil defense wall structure as described above: the civil defense floor is provided with a first surface bar and a first bottom bar, and the two bars are arranged at the top and the bottom of the civil defense floor respectively.

[0016] Compared with the prior art, the steel plate concrete combined civil defense wall structure has the following beneficial effects:

[0017] The wall body is combined by a single-sided reinforced concrete wall and a plurality of steel plates, and the steel plates are arranged inside the combined wall body, so that water seepage from the reinforced concrete wall to the inside of the wall can be avoided, the civil defense wall body is more regular and beautiful, the steel plates can replace the side wall formwork and save the formwork, and the steel plates can replace the horizontally distributed bars and save the amount of steel bars, the plaster layer can be saved due to the smooth surface of the steel plates, the steel plates are arranged at the outermost side of the span and bear the force, the thickness of the protective layer is saved, and the force is reasonable and economical. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a wall section view of the steel plate concrete combined civil defense wall structure.

[0019] Figure 2 It is a wall inside elevation view of the steel plate concrete combined civil defense wall structure.

[0020] Figure 3 It is an A-A section view of the wall inside elevation view.

[0021] Figure 4 It is a structure view of the steel plate end anchoring into the civil defense roof and the civil defense floor in the steel plate concrete combined civil defense wall structure.

[0022] In the figure: 1, reinforced concrete wall; 2, steel plate; 3, bolt; 4, reinforcing band; 5, steel plate joint; 6, steel mesh; 7, epoxy resin coating; 8, first bottom bar; 9, first face bar; 10, second face bar; 11, second bottom bar; 12, sawtooth. DETAILED DESCRIPTION

[0023] Various exemplary embodiments, features, and aspects of the present application will be described herein in detail with reference to the drawings. Like reference numerals in the drawings denote the same or similar elements. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0024] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0025] In addition, for the purpose of convenience and brevity, detailed descriptions of well-known functions and structures incorporated in the application will be omitted when they are considered to make the subject matter of the present application unclear. It will be appreciated that those skilled in the art can practice the application without these specific details.

[0026] Referring to Figures 1-4 In the embodiment of the present application, a steel plate reinforced concrete combined civil defense wall structure comprises a reinforced concrete wall 1, a steel plate 2, a sawtooth 12, and a reinforcing member.

[0027] Specifically, referring to Figure 1 , Figure 4 comprises;

[0028] The reinforced concrete wall 1 is arranged between a civil defense top plate and a civil defense bottom plate;

[0029] A plurality of combined steel plates 2 are fixedly installed on the inner side of the reinforced concrete wall 1, and the steel plates 2 are respectively formed with sawtooth 12 at both ends in the vertical direction, and the sawtooth 12 is inserted into the civil defense top plate and the civil defense bottom plate;

[0030] The connecting portion of adjacent two steel plates 2 is provided with a reinforcing member.

[0031] In detail, in the embodiment, the steel plate concrete combined civil defense wall structure is used, when in use, the wall body combined by the single-side reinforced concrete wall 1 and the plurality of steel plates 2, and the steel plate 2 is arranged in the inside of the combined wall body, so that the reinforced concrete wall 1 is prevented from cracking and water seeping into the wall, the civil defense wall body is more regular and beautiful, meanwhile, the steel plate 2 can replace the side wall formwork and replace the horizontal distribution bar, so that the amount of steel bars is saved, the plaster layer can be saved due to the smooth surface of the steel plate 2, and the steel plate 2 is arranged at the outermost side of the span, so that the thickness of the protective layer is saved, and the force is reasonable and economical.

[0032] Preferably, the sawtooth 12 is anchored with the civil defense roof and the civil defense floor respectively.

[0033] Preferably, the sawtooth 12 is anchored with the civil defense roof and the civil defense floor respectively.

[0034] Preferably, the steel plate 2 is detachably connected with the reinforced concrete wall 1 through the bolt 3.

[0035] In one embodiment, the side end of the steel plate 2 is formed with a plurality of through holes, the reinforced concrete wall 1 is formed with a corresponding counterbore, and the bolt 3 penetrates the through hole and extends into the counterbore and is threadedly connected with the counterbore.

[0036] Preferably, the contact surface of the steel plate 2 and the bolt 3 is coated with an epoxy resin coating 7.

[0037] The epoxy resin coating 7 has excellent chemical stability and adhesion, can effectively prevent corrosion and wear, and can not only improve the connection strength and durability between the steel plate 2 and the bolt 3, but also effectively prevent corrosion caused by environmental factors, and ensure the safety and stability of the structure.

[0038] As a further scheme of the utility model, please refer to Figure 4 , the reinforcing member includes a reinforcing belt 4, the reinforcing belt 4 is arranged at the connection position of the two adjacent steel plates 2 and away from the side of the reinforced concrete wall 1, the reinforcing belt 4 is abutted and fixed with the side edges of the two steel plates 2 respectively, and the reinforcing belt 4 is laid with a steel mesh 6 away from the side of the steel plate 2, and the two ends of the steel mesh 6 are respectively inserted into the civil defense roof and the civil defense floor and anchored with the civil defense roof and the civil defense floor.

[0039] Preferably, the connection position of the two adjacent steel plates 2 is formed with a steel plate joint 5.

[0040] In detail, the reinforcing belt 4 and the steel mesh 6 can avoid the bending and slippage and horizontal displacement of the wall body under large load, mainly because the reinforcing belt 4 and the steel mesh 6 applied at the connection between the adjacent two steel plates 2 not only improve the shear strength, crack resistance and stability of the structure, but also optimize the force transmission path and reduce the stress concentration phenomenon, thereby significantly improving the safety and reliability of the multiple steel plate 2 combination.

[0041] Preferably, the second face wire 10 and the second bottom wire 11 are arranged in the civil defense roof, and the second face wire 10 and the second bottom wire 11 are arranged at the top and the bottom of the civil defense roof, respectively.

[0042] Further, the second face wire 10 and the second bottom wire 11 are arranged in the civil defense roof to enhance the stability and load-bearing capacity of the civil defense, so as to deal with the structural damage caused by nuclear explosion and other severe explosion impact, wherein the second bottom wire 11 and the second face wire 10 are pulled together by the action of the pull hook, and the two layers of steel bars can be connected together when the nuclear explosion and other severe explosion impact occurs, so as to prevent the civil defense roof from being lifted and falling off.

[0043] Preferably, the first face wire 9 and the first bottom wire 8 are arranged in the civil defense floor, and the first face wire 9 and the first bottom wire 8 are arranged at the top and the bottom of the civil defense floor, respectively.

[0044] It should be noted that the first face wire 9 and the second face wire 8 arranged in the civil defense floor have the same effect as described above, so as to enhance the stability and load-bearing capacity of the civil defense floor.

[0045] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0046] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A steel plate reinforced concrete combined civil defense wall structure, comprising a reinforced concrete wall (1) arranged between a civil defense top plate and a civil defense bottom plate, characterized in that ； The inner side of the reinforced concrete wall (1) is fixedly provided with a plurality of combined steel plates (2), both ends of the steel plate (2) in the vertical direction are respectively provided with sawteeth (12), and the sawteeth (12) are inserted into the civil air defense top plate and the civil air defense bottom plate. The connecting position of the adjacent two steel plates (2) is provided with a reinforcing member.

2. The steel plate reinforced concrete combined civil defense wall structure according to claim 1, characterized in that, The sawteeth (12) are anchored with the civil air defense top plate and the civil air defense bottom plate.

3. The steel plate reinforced concrete combined civil defense wall structure according to claim 1, characterized in that, The steel plate (2) is connected with the reinforced concrete wall (1) through a bolt (3).

4. The steel plate reinforced concrete combined civil defense wall structure according to claim 3, characterized in that, The side end of the steel plate (2) is provided with a plurality of through holes, the reinforced concrete wall (1) is provided with a corresponding counterbore, the bolt (3) penetrates the through hole and extends into the counterbore and is screw-connected with the counterbore.

5. The steel plate reinforced concrete combined civil defense wall structure according to claim 4, characterized in that, The contact surface of the steel plate (2) and the bolt (3) is coated with an epoxy resin coating (7).

6. The steel plate reinforced concrete combined civil defense wall structure according to claim 1, characterized in that, The reinforcing member comprises a reinforcing belt (4), the reinforcing belt (4) is arranged at the connecting position of the adjacent two steel plates (2) and away from one side of the reinforced concrete wall (1), the reinforcing belt (4) is respectively abutted and fixed with the side edges of the two steel plates (2), and a steel mesh (6) is laid on the side of the reinforcing belt (4) away from the steel plate (2), both ends of the steel mesh (6) are respectively inserted into the civil air defense top plate and the civil air defense bottom plate and are anchored with the civil air defense top plate and the civil air defense bottom plate.

7. The steel plate reinforced concrete combined civil defense wall structure according to claim 1, characterized in that, The civil air defense top plate is provided with a second face wire (10) and a second bottom wire (11), and the second face wire (10) and the second bottom wire (11) are respectively arranged at the top and the bottom of the civil air defense top plate.

8. The steel plate reinforced concrete combined civil defense wall structure according to claim 1, characterized in that, The civil air defense bottom plate is provided with a first face wire (9) and a first bottom wire (8), and the first face wire (9) and the first bottom wire (8) are respectively arranged at the top and the bottom of the civil air defense bottom plate.

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