Novel reservoir dam multi-layer anti-seepage structure

Abstract

The utility model discloses a novel reservoir dam multi-layer anti-seepage structure and relates to the technical field of reservoir dam anti-seepage, a first anti-seepage film is laid on the outer side of a dam body, a gravel layer is laid on the outer side of the first anti-seepage film, a first anti-seepage plate is installed on the outer side of the gravel layer, a pouring hole is formed in the upper surface of the first anti-seepage plate, and a second anti-seepage film is laid on the outer side of the first anti-seepage film. And a second anti-seepage plate is installed outside the first anti-seepage plate, the outer side of the second anti-seepage plate is coated with an anti-seepage coating, and positioning anchor rods are symmetrically arranged at the positions, close to the first anti-seepage plate, of the inner side of the second anti-seepage plate. Through the arrangement of the first anti-seepage plate, the positioning holes, the pouring holes, the gravel layer, the pouring layer and the first anti-seepage film, the purpose of seepage prevention of the reservoir dam can be achieved through the first anti-seepage film, and meanwhile the gravel layer is laid, and cement mortar is poured into the first anti-seepage plate through the pouring holes to form the pouring layer; therefore, the multi-layer anti-seepage treatment of the reservoir dam can be improved, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reservoir dam seepage prevention, especially to a new type of reservoir dam multilayer seepage prevention structure. BACKGROUND

[0002] The reservoir dam refers to the water retaining structure built along the reservoir periphery for intercepting and storing water flow, which is usually built by earthwork, concrete or other materials, and the main purpose is flood control, irrigation, water supply, power generation, etc. The safety and stability of the reservoir dam are of great significance to the protection of the safety of people's life and property downstream and the promotion of local economic and social development. Therefore, it is necessary to prevent seepage of the reservoir dam. The seepage prevention treatment can ensure the safety of the dam and prevent soil erosion.

[0003] A reservoir dam seepage prevention structure based on concrete panels (authorized publication number CN211898167U) is disclosed in Chinese patent. The patent technology combines concrete panels with anchor rod structure, which greatly improves the anti-erosion ability and position stability of the concrete panels, prolongs the service life of the concrete panels, and solves the problems of the prior art.

[0004] However, the existing reservoir dam adopts a single layer of concrete panel for seepage prevention, which has poor seepage prevention effect and cannot be treated for seepage prevention when damaged, affecting the safety of the reservoir dam. The above-mentioned comparative document adopts a concrete panel, which is easily eroded and damaged when the concrete panel is directly in contact with water for a long time. Therefore, the single concrete panel has poor seepage prevention effect and is prone to water seepage into the reservoir dam, affecting the safety. Therefore, the technical personnel in the field provides a new type of reservoir dam multilayer seepage prevention structure to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a new type of reservoir dam multilayer seepage prevention structure to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a new type of reservoir dam multilayer seepage prevention structure, comprising: a dam body, a first seepage prevention film is laid on the outer side of the dam body, a gravel layer is laid on the outer side of the first seepage prevention film, a first seepage prevention plate is installed on the outer side of the gravel layer, a pouring hole is formed on the upper surface of the first seepage prevention plate, and a second seepage prevention plate is installed on the outer side of the first seepage prevention plate, a seepage prevention coating is coated on the outer side of the second seepage prevention plate, and a positioning anchor rod is symmetrically arranged on the inner side of the second seepage prevention plate close to the first seepage prevention plate.

[0007] As a further technical scheme of the utility model, the outer side of the first anti-seepage plate is symmetrically provided with positioning holes, one end of the positioning anchor rod penetrates the inside of the positioning hole and is embedded into the inside of the gravel layer.

[0008] As a further technical scheme of the utility model, the material of the first anti-seepage film is same with the thickness of the second anti-seepage film, and the first anti-seepage film and the second anti-seepage film are both geomembranes.

[0009] As a further technical scheme of the utility model, the inside of the first anti-seepage plate is hollowly arranged, and a pouring layer is poured in the inside of the first anti-seepage plate.

[0010] As a further technical scheme of the utility model, the pouring hole is symmetrically provided with two on the upper surface of the first anti-seepage plate, and the pouring hole and the first anti-seepage plate are mutually penetrated.

[0011] As a further technical scheme of the utility model, the gravel layer is 10-20mm in granularity, and one end of the positioning anchor rod is conically arranged.

[0012] As a further technical scheme of the utility model, the thickness of the anti-seepage coating is 2mm, and the anti-seepage coating is polyurethane waterproof paint

[0013] The utility model provides novel reservoir dam multilayer anti-seepage structure, and compared with prior art has the following

[0014] Beneficial effects:

[0015] 1, the novel reservoir dam multilayer anti-seepage structure of the design, through the setting of first anti-seepage plate, positioning hole, pouring hole, gravel layer, pouring layer and first anti-seepage film, so utilize first anti-seepage film can play the purpose of the anti-seepage of reservoir dam, simultaneously through the laying of gravel layer and from pouring hole to cement mortar pouring to the inside of first anti-seepage plate and form pouring layer, so can improve the multilayer anti-seepage treatment of reservoir dam, avoid seepage and cause damage to dam main body, and the practicability is good.

[0016] 2, the novel reservoir dam multilayer anti-seepage structure of the design, through the setting of second anti-seepage plate, anti-seepage coating, second anti-seepage film and positioning anchor rod, so utilize positioning anchor rod and insert into gravel layer in positioning hole, so can guarantee the stability of its connection after pouring, so utilize second anti-seepage film and second anti-seepage plate can improve the anti-seepage work of reservoir dam, and utilize anti-seepage coating can make the anti-seepage effect better. ACCURACY

[0017] Fig. 1 It is structure schematic view of novel reservoir dam multilayer anti-seepage structure;

[0018] Fig. 2It is a structure diagram of the second impervious plate in the new type of multi-layer impervious structure of the reservoir dam.

[0019] Fig. 3 It is a structure diagram of the pouring layer in the new type of multi-layer impervious structure of the reservoir dam.

[0020] In the figure: 1, dam main body; 2, first impervious plate; 21, positioning hole; 22, pouring hole; 23, gravel layer; 24, pouring layer; 25, first impervious membrane; 3, second impervious plate; 31, impervious coating; 32, second impervious membrane; 33, positioning anchor rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figs. 1-3 The present application provides a new type of multi-layer impervious structure of the reservoir dam, which comprises: a dam main body 1, a first impervious membrane 25 laid on the outer side of the dam main body 1, a gravel layer 23 laid on the outer side of the first impervious membrane 25, a first impervious plate 2 installed on the outer side of the gravel layer 23, a pouring hole 22 formed on the upper surface of the first impervious plate 2, a second impervious plate 3 installed on the outer side of the first impervious plate 2, an impervious coating 31 coated on the outer side of the second impervious plate 3, and positioning anchor rods 33 symmetrically arranged on the inner side of the second impervious plate 3 close to the first impervious plate 2. The first impervious membrane 25 laid on the outer side of the dam main body 1 can achieve the purpose of imperviousness, and the gravel layer 23 and the pouring layer 24 poured through the pouring hole 22 can achieve the purpose of impervious reinforcement, so that the multi-layer impervious treatment of the reservoir dam is achieved, and the second impervious plate 3 and the second impervious membrane 32 can improve the impervious treatment.

[0023] As shown in Fig. 2 and Fig. 3 , the outer side of the first impervious plate 2 is symmetrically provided with positioning holes 21, and one end of the positioning anchor rod 33 penetrates the inside of the positioning hole 21 and is embedded in the inside of the gravel layer 23. The positioning anchor rod 33 is embedded in the inside of the positioning hole 21 and inserted into the inside of the gravel layer 23, so that the sealing property of the subsequent second impervious plate 3 can be ensured.

[0024] As shown in Fig. 3 , the material of the first impervious membrane 25 is the same as the thickness of the second impervious membrane 32, and the first impervious membrane 25 and the second impervious membrane 32 are both geomembranes. The first impervious membrane 25 and the second impervious membrane 32 can improve the impervious property.

[0025] As Fig. 3 shown, the inside of the first impervious plate 2 is hollowly arranged, and the inside of the first impervious plate 2 is poured with a pouring layer 24, two pouring holes 22 are symmetrically arranged on the upper surface of the first impervious plate 2, and the pouring hole 22 and the first impervious plate 2 are mutually penetrated, which can pour the cement mortar into the inside of the first impervious plate 2 through the pouring hole 22, and can ensure the stability of the positioning anchor rod 33 after pouring.

[0026] As Fig. 3 shown, the gravel layer 23 is 10-20mm in size, and one end of the positioning anchor rod 33 is conically arranged, which can flatten the first impervious membrane 25 through the gravel layer 23, and facilitate the subsequent pouring of the impervious layer.

[0027] As Fig. 2 shown, the thickness of the impervious coating layer 31 is 2mm, and the impervious coating layer 31 is a polyurethane waterproof coating, which can make the second impervious plate 3 have the purpose of high-efficiency imperviousness through the impervious coating layer 31.

[0028] The working principle of the utility model is: when the multi-layer impervious structure of the reservoir dam is used, first, the first impervious membrane 25 is laid on the outside of the dam body 1, which can play the purpose of preventing the reservoir dam from seeping, and at the same time, the first impervious membrane 25 is compressed by laying the gravel layer 23, the first impervious plate 2 is installed on the gravel layer 23, and the second impervious plate 3 is installed on the outside of the first impervious plate 2, the positioning anchor rod 33 is inserted into the gravel layer 23 through the positioning hole 21 during installation, and the cement mortar is poured into the first impervious plate 2 through the pouring hole 22 to form the pouring layer 24, which can play the purpose of reinforcing the positioning anchor rod 33, and at the same time, the second impervious membrane 32 can improve the impervious effect between the first impervious plate 2 and the second impervious plate 3, and the impervious coating layer 31 is coated on the outside of the second impervious plate 3, which can make the impervious effect better through the impervious coating layer 31.

[0029] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, without departing from the principle of the utility model, some improvements and refinements can be made, which should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A new type of multi-layered anti-seepage structure of a reservoir dam, characterized in that, Include: Dam body (1), the outer side of the dam body (1) is paved with a first impermeable membrane (25), the outer side of the first impermeable membrane (25) is paved with a gravel layer (23), the outer side of the gravel layer (23) is installed with a first impermeable plate (2), the upper surface of the first impermeable plate (2) is provided with a pouring hole (22), and the outer side of the first impermeable plate (2) is installed with a second impermeable plate (3), the outer side of the second impermeable plate (3) is coated with an impermeable coating (31), and the inner side of the second impermeable plate (3) is symmetrically provided with a positioning anchor rod (33) close to the first impermeable plate (2).

2. The new multi-layered anti-seepage structure of the dam of the reservoir according to claim 1, characterized in that, The outer side of the first impermeable plate (2) is symmetrically provided with a positioning hole (21), one end of the positioning anchor rod (33) penetrates the inside of the positioning hole (21) and is embedded in the inside of the gravel layer (23).

3. The new multi-layered anti-seepage structure of the dam of the reservoir according to claim 1, characterized in that, The material of the first impermeable membrane (25) is the same as the thickness of the second impermeable membrane (32), and the first impermeable membrane (25) and the second impermeable membrane (32) are both geomembranes.

4. The new type of multi-layer seepage control structure of reservoir dam according to claim 1, characterized in that, The inside of the first impermeable plate (2) is provided with a hollow, and the inside of the first impermeable plate (2) is poured with a pouring layer (24).

5. The new multi-layered anti-seepage structure of the dam of the reservoir according to claim 1, characterized in that, The pouring hole (22) is symmetrically provided with two on the upper surface of the first impermeable plate (2), and the pouring hole (22) and the first impermeable plate (2) are mutually penetrated.

6. The new type of multi-layer seepage control structure of reservoir dam according to claim 1, characterized in that, The gravel layer (23) is 10-20mm in size, and one end of the positioning anchor rod (33) is provided with a taper.

7. The new type of multi-layer seepage control structure of reservoir dam according to claim 1, characterized in that, The thickness of the impermeable coating (31) is 2mm, and the impermeable coating (31) is polyurethane waterproof paint.

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