High seepage slope reinforcement diversion and drainage system and construction method

A construction method and drainage system technology, applied in the field of construction engineering, can solve the problems of poor prevention and control effect of subgrade water seepage and slope collapse, difficult construction quality, long construction period, etc., and achieve significant economic and social benefits and strong promotion value.

Inactive Publication Date: 2018-12-25
CHINA MCC17 GRP
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to solve the difficulty in controlling the construction quality of the conventional subgrade slope protection project propose...

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  • High seepage slope reinforcement diversion and drainage system and construction method

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Embodiment 1

[0035] like figure 1 The shown reinforcement and drainage system for a high seepage slope includes a slope 1 and a drainage system. The drainage system includes a roadbed side ditch 2 and a platform intercepting ditch 3. The platform intercepting ditch 3 is opened in the middle of the side slope 1. The platform intercepting ditch 3 divides the slope 1 into an upper slope 1 and a lower slope 1; the upper slope 1 is equidistantly drilled with multiple rows of granular piles 4, and the lower slope 1 is equidistantly drilled with multiple rows of slurry spray piles 5. The citron at the contact position between material pile 4 and side slope 1 is provided with an anti-filter layer, and the citron at the contact position between granular material pile 4 and side slope 1 is provided with a clay seal; the surface of lower slope 1 is also provided with a barrier The soil wall 6 and the retaining wall 6 are provided with a drain hole 7, the drain hole 7 is inclined 3% to the wall, and t...

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Abstract

The invention provides a high seepage slope reinforcement diversion and drainage system and a construction method. The construction method comprises the steps that an easy-to-collapse excavation slopeto be reinforced is leveled; then slurry spraying piles at the lower part of a high slope is constructed; when the strength of the slurry spraying piles reaches 85% of the design strength, granular material piles on an upper slope are constructed; and finally a retaining wall and a slope protection project are constructed to form combined support and connect a water outlet to form an integrated drainage system with a roadbed drainage project. The lower slope surface is reinforced by the slurry spraying piles to form a relatively dense soil body with certain strength, and the outer part is further supported by the inclined retaining wall; water flow on the slope surface flows through the granular material piles of the upper soil body, and the granular material piles have the function of compacting the soil body, have certain strength and can be used as a drainage channel at the same time; and granular materials can act as a filter layer to drain water and protect soil, so that the possible water flow is discharged out of the soil body of the slope, and a series of diseases such as collapse, slump and landslide of the high slope are prevented.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a reinforcement drainage system and a construction method for high seepage slopes. Background technique [0002] The construction of expressway drives the rapid development of local economy. With the rapid development of China's economy, the country has vigorously developed infrastructure construction in remote mountainous areas in the southwest, and the expressway network has gradually extended to the southwest in order to develop and build mountainous areas, change the face of economic lag in mountainous areas, and improve people's living standards. [0003] Among them, infrastructure construction, especially expressway construction, has a large scale and high technical difficulty. [0004] The southwest mountainous area is mostly karst geology, the rock and soil are relatively broken, and the water retention is poor. The summer rainfall in the southwest mount...

Claims

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Application Information

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IPC IPC(8): E02D17/20E02D29/02E02D3/10
CPCE02D3/10E02D17/207E02D29/02
Inventor 张瑞祥
Owner CHINA MCC17 GRP
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