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Suction-force adjustable supporting structure and its construction method

A supporting structure and construction method technology, applied in the direction of basic structure engineering, excavation, construction, etc., to achieve the effect of reducing earth pressure value, increasing cohesion or internal friction angle, and reducing the effect of soil slope collapse accidents

Inactive Publication Date: 2007-08-29
姚攀峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a suction-adjusting support structure and its construction method, which mainly solve the problems of adjusting soil suction, red

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  • Suction-force adjustable supporting structure and its construction method
  • Suction-force adjustable supporting structure and its construction method
  • Suction-force adjustable supporting structure and its construction method

Examples

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Embodiment Construction

[0049] The first embodiment of the suction adjustment support structure is shown in Figure 1. This suction adjustment support structure is embedded with a reinforcement body 2 in the soil slope 1. The above reinforcement body 2 can be selected from ordinary steel bars, prestressed steel bars, Metal anchor rods, plastic anchor rods, reinforced concrete anchor rods or plastic anchor pipes, metal anchor pipes or reinforced concrete anchor pipes with drainage holes distributed on the pipe wall. The outermost surface of the soil slope is covered with a suction regulating surface layer 3, which is composed of a stiffening net 32 ​​and a waterproof layer 31. The material of the above-mentioned waterproof layer can be selected from waterproof plastics, rubber, canvas, geomembrane, PVC fiber cloth, waterproof sheet, composite waterproof material or metal film.

[0050] The second embodiment of the suction adjustment support structure is shown in Fig. 2. The inner surface of the waterpr...

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Abstract

The invention is a suction adjusting timbering structure and the constructing method, covered on a soil side slope, where the outermost of the soil side slope is covered with suction adjusting surface layer, the suction adjusting surface layer is compounded of reinforcement web and waterproof layer, where the material of the waterproof layer is plastic, rubber, civil engineering membrane, canvas, PVC fiber cloth, waterproof sheet, waterproof composite or metal film; and the waterproof layer is connected with the reinforcement web, or of a split structure, or press-jointed to form a self-reinforced web waterproof layer, and its connecting mode: the waterproof layer is bound, bonded, riveted or bolted with the reinforcement web, or one to eight waterproof layers are combinationally connected with one to eight layers of reinforcement webs. And it can adjust soil suction in the constructing course in the unsaturated civil engineering, reducing cost of timbering engineering, saving materials and resources and avoiding collapse and other accidents.

Description

(1) Technical field [0001] The invention belongs to the technical field of geotechnical engineering, in particular to a foundation pit supporting material, structure and construction method thereof. (2) Background technology [0002] When there is gas in the pores of the soil, the soil is called unsaturated soil, and when there is no gas in the pores of the soil and is filled with water, it is called saturated soil. Most of the topsoil on the earth is in an unsaturated state, and the unsaturated soil is widely distributed in our country. A considerable number of existing support projects belong to the unsaturated soil support. The supporting structure of the existing unsaturated soil is that a reinforced body (supporting pile) is built in the slope of the soil layer, and a concrete protective layer is covered outside the slope of the soil layer. There are two main problems in engineering practice: (1) The cost of support engineering is much higher than the cost of meeting t...

Claims

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Application Information

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IPC IPC(8): E02D17/20E02D17/04
Inventor 姚攀峰
Owner 姚攀峰