Sprayed concrete structure for enhancing rock surface adhesion

Abstract

The utility model discloses a sprayed concrete structure for enhancing rock surface adhesion. The sprayed concrete structure comprises a concrete structure, the concrete structure is composed of a rock, a concrete layer and a framework, the framework covers the outer side of the rock and is installed on the outer side of the rock through a fixing mechanism, the concrete layer is attached to the outer side of the framework and the outer side of the rock, and a corrosion-resistant layer is attached to the outer side of the concrete layer. Concrete is wrapped by the framework to form a concrete layer, meanwhile, the strength and integrity of the concrete layer are improved through the framework, when the fixing mechanism is used, the fixing buckles are fixedly installed on the outer side of rock through the anchor rods, and the fixing buckles are used for fixing the framework.

Description

TECHNICAL FIELD

[0001] The utility model relates to rock face protection technical field, specifically a kind of sprayed concrete structure of enhanced rock face adhesion. BACKGROUND

[0002] Sprayed concrete can be closely pasted with surrounding rock surface, through resistance and shear force effect, make surrounding rock be in the favorable state of three-way stress, prevent surrounding rock strength deterioration.In addition, the sprayed layer itself has certain anti-cutting ability, can prevent the collapse of unstable block.

[0003] Chinese patent No.3201920955973.9 discloses a kind of foundation pit drainage type sprayed concrete structure, it includes: geotextile, by first fixed part is fixed on the surface of foundation pit surrounding rock soil body;Drainage plate, by second fixed part is fixed on the surface of geotextile;Reinforcing mesh, by binding piece and second fixed part binding connection, so that reinforcing mesh is fixed on the surface of drainage plate;And concrete layer, by spraying concrete on reinforcing mesh is formed.

[0004] The utility model in use, the skeleton, i.e. reinforcing mesh is fixed relatively loose, affect the stability of concrete structure, long time use is prone to deformation, lead to concrete loose. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of sprayed concrete structure of enhanced rock face adhesion to solve the problems in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sprayed concrete structure of enhanced rock face adhesion, including concrete structure;The concrete structure is composed of rock, concrete layer and skeleton, the skeleton is covered in rock outer side, the skeleton is installed in rock outer side position by fixed mechanism, the concrete layer is attached in the position of skeleton and rock outer side, the concrete layer outer side is attached with corrosion-resistant layer.

[0007] Preferably, the upper side of the skeleton is provided with a support rod, which is welded to the upper side of the skeleton.

[0008] Preferably, the skeleton is composed of longitudinal reinforcement, transverse reinforcement and fixing sheet, the longitudinal reinforcement and transverse reinforcement are cross-welded together, and the fixing sheet is welded at the welding position of the longitudinal reinforcement and the transverse reinforcement.

[0009] Preferably, the fixed mechanism is composed of a fixing buckle and an anchor rod, the anchor rod is installed inside the rock, the fixing buckle is installed at the front end position of the anchor rod, and the fixing buckle is installed on the upper side of the skeleton.

[0010] Preferably, the concrete layer is provided with a crack prevention net outside, and the crack prevention net is attached to the inside of the concrete.

[0011] Preferably, the corrosion resistant layer is provided with a self-cleaning layer outside, and the self-cleaning layer is a nano-silicon coating layer.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The concrete is held by the framework to form a concrete layer, and the framework increases the strength and integrity of the concrete layer;

[0014] 2. The fixing mechanism is used to fix the fixing buckle to the outside of the rock through the anchor rod, and the fixing buckle is used to fix the framework;

[0015] 3. The crack prevention net is used to reinforce the outer surface of the concrete layer to avoid cracking of the outer surface of the concrete layer;

[0016] 4. The nano-silicon coating layer used in the self-cleaning layer has strong hydrophobicity and dust adhesion resistance, and can keep the outer surface of the concrete layer clean for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a side view structural schematic view of the utility model;

[0020] Figure 3 It is a structural schematic view of the framework of the utility model;

[0021] Figure 4 It is a top view structural schematic view of the framework of the utility model.

[0022] In the drawings: 1, concrete structure; 2, rock; 3, concrete layer; 4, corrosion resistant layer; 5, self-cleaning layer; 6, anchor rod; 7, fixing mechanism; 8, framework; 9, crack prevention net; 10, fixing buckle; 11, transverse steel bar; 12, fixing piece; 13, longitudinal steel bar; 14, support rod. DETAILED DESCRIPTION

[0023] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In the embodiments of the present application, a shotcrete structure for enhancing rock surface adhesion comprises a concrete structure 1; the concrete structure 1 is composed of a rock 2, a concrete layer 3 and a framework 8; the framework 8 is covered outside the rock 2; the framework 8 is installed outside the rock 2 by a fixing mechanism 7; the concrete layer 3 is attached to the outside of the framework 8 and the rock 2; an anti-corrosion layer 4 is attached to the outside of the concrete layer 3; a support rod 14 is arranged on the top of the framework 8; the support rod 14 is welded to the top of the framework 8; the support rod 14 is arranged to support the framework 8 and the rock 2, so that the framework 8 is not tightly attached to the surface of the rock 2, and the concrete can enter the position between the rock 2 and the framework 8; a crack prevention net 9 is arranged outside the concrete layer 3; the crack prevention net 9 is attached to the inside of the concrete; the crack prevention net 9 is arranged to reinforce the outer surface of the concrete layer 3, so that the outer surface of the concrete layer 3 does not crack during use; and a self-cleaning layer 5 is arranged outside the anti-corrosion layer 4; the self-cleaning layer 5 is a nano-silicon coating layer; the nano-silicon coating layer used by the self-cleaning layer 5 has strong hydrophobicity and dust-attachment resistance, and can keep the outer surface of the concrete layer 3 clean for a long time.

[0025] The framework 8 is composed of longitudinal steel bars 13, transverse steel bars 11 and fixing pieces 12; the longitudinal steel bars 13 and the transverse steel bars 11 are cross-welded together; the fixing pieces 12 are welded to the welding position of the longitudinal steel bars 13 and the transverse steel bars 11; the framework 8 is cross-welded into a net shape by the longitudinal steel bars 13 and the transverse steel bars 11, so as to cover the outer surface of the rock 2 and avoid the rock 2 from falling off.

[0026] The fixing mechanism 7 is composed of a fixing buckle 10 and an anchor rod 6; the anchor rod 6 is installed inside the rock 2; the fixing buckle 10 is installed at the front end of the anchor rod 6; the fixing buckle 10 is installed on the top of the framework 8; in use, the fixing mechanism 7 fixes and installs the fixing buckle 10 outside the rock 2 by the anchor rod 6; and the fixing buckle 10 is arranged to fix the framework 8.

[0027] The working principle and use flow of the utility model: the concrete structure 1 is in use, first through fixed establishment 7 with the skeleton 8 is installed in the rock 2 outside position, in the concrete is sprayed to the rock 2 outside, through the skeleton 8 with the concrete is held, forms the concrete layer 3, through the skeleton 8 increases the strength and integrity of concrete layer 3.

[0028] Finally, it should be noted that: the above is only the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A shotcrete structure with enhanced rockface bond comprising a concrete structure (1); characterised in that: The concrete structure (1) is composed of rock (2), concrete layer (3) and skeleton (8), the skeleton (8) is covered outside the rock (2), the skeleton (8) is installed outside the rock (2) by the fixing mechanism (7), the concrete layer (3) is attached to the outside of the skeleton (8) and the rock (2), the concrete layer (3) is attached with corrosion-resistant layer (4) outside.

2. A shotcrete structure reinforced for rockface bonding according to claim 1, characterised in that: The skeleton (8) is provided with a support rod (14) on the upper side, the support rod (14) is welded on the upper side of the skeleton (8).

3. A shotcrete structure reinforced for rockface bonding according to claim 1, characterised in that: The skeleton (8) is composed of longitudinal steel bars (13), transverse steel bars (11) and fixing pieces (12), the longitudinal steel bars (13) and the transverse steel bars (11) are cross-welded together, the fixing pieces (12) are welded at the welding position of the longitudinal steel bars (13) and the transverse steel bars (11).

4. A shotcrete structure that enhances rockface bond according to claim 1, characterised in that: The fixing mechanism (7) is composed of a fixed buckle (10) and an anchor rod (6), the anchor rod (6) is installed inside the rock (2), the fixed buckle (10) is installed at the front end of the anchor rod (6), and the fixed buckle (10) is installed on the upper side of the skeleton (8).

5. A shotcrete structure that enhances rockface bond according to claim 1, characterised in that: The concrete layer (3) is provided with a crack prevention net (9) outside, the crack prevention net (9) is attached to the inside of the concrete.

6. A shotcrete structure that enhances rockface bond according to claim 1, characterised in that: The corrosion-resistant layer (4) is provided with a self-cleaning layer (5) outside, the self-cleaning layer (5) is set as a nano silicon coating layer.

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