Seepage drainage method for tailing dam and seepage drainage pipe for use therein

A technology for tailings dams and seepage drainage pipes, applied in excavation, soil protection, construction, etc., can solve the problems of difficult construction, easy downward displacement, small seepage area, etc., and achieve low construction and maintenance costs, Good water permeability, ensure the effect of water permeability

Active Publication Date: 2007-05-16
付文堂
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  • Abstract
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AI Technical Summary

Problems solved by technology

The disadvantages of this method are: 1. The construction is difficult, because the pressure above the dam body is greater than that below, and it is easy to shift downward during the sinking of the concrete pipe; 2. The water seepage effect is poor, the seepage area is small, and the seepage effect of the geotextile is poor. Poor; 3. The construction period is long and the cost is high. After the completion, water pumps are needed for dewatering, which is expensive

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  • Seepage drainage method for tailing dam and seepage drainage pipe for use therein

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Embodiment Construction

[0019] A method for drainage of tailings dam, comprising the following steps:

[0020] Drilling, including laying of drill pipes: on the tailings dam, use a horizontal directional drilling machine to drill holes according to the specified depth, angle, and direction to form a tunnel from the lower part of the dam body to the upper part of the dam body; at the same time, lay the drill pipes on the tailings In the borehole of the dam body;

[0021] Pipe pulling, including drainage pipe laying: connect the drill pipe laid in the tailings dam body with the end exposed outside the dam body to a reamer. To facilitate the laying of the drainage pipe in the next step, the reamer is connected with a universal joint, and the universal joint is connected with the head end of the special drainage pipe through a clamp, and then the drilling rig extracts the drill pipe from the tailings dam body, thereby The special drainage pipe is dragged into the tunnel drilled on the tailings dam;

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Abstract

The invention discloses a eliminating outcrop water method of tailing dam and it includes the following steps: drilling hole: drilling hole as required depth, angle and direction in the tailing dam to forming the pore path leading to the top of the dam from the lower; pulling the tubes: pulling the specially-produced drainage pipes into the pore path drilled in the tailing dam; decortication: taking off the outer layer of protective layer of drainage pipes. The specially-produced drainage pipes of the method comprise of the body pipe, the gauze and the protective layer which are prepared out the body pipe one by one, said body pipe is equipped with percolating water groove along the axial center direction of pipe body uniformly and the bottom of percolating water groove is equipped with percolating water holes which reach the inner of pipe body discontinuously. The invention is facilitating to construction, the effect of drainage is fine and it is good for eliminating the hidden danger of the tailings dam is in danger, cave-in collapse and breaking.

Description

technical field [0001] The present invention relates to the danger-relief reinforcement method of the tailings dam formed by the discarded slag in the industrial mineral processing plant or the accumulated residue in the thermal power generation industry, and specifically refers to a tailings dam drainage method and a specially designed and used drainage method for the implementation of the method. seepage tube. technical background [0002] Tailings dam is an important facility for the infrastructure of various mineral processing plants and thermal power plants in the metallurgical industry, and an important link to ensure the normal production of various mineral processing plants and thermal power plants. , the amount of tailings discharged from the concentrator and the amount of ash discharged from the power plant has also increased sharply, and many safety and environmental protection issues related to tailings dams and ash dams have become increasingly prominent. Vicio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/10E02D17/20
Inventor 付文堂
Owner 付文堂
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