Hollow anti-slide pile with drainage structure and its construction method

Abstract

The invention discloses a hollow antiskid pile with a drainage structure. The hollow antiskid pile with the drainage structure comprises a pile hole downwards extending to dive below a slide surface;a pile body is arranged in the pile hole; a water penetration layer is arranged between the pile body and the bottom surface of the pile hole; a seepage well communicating with the water penetration layer and used for guiding underground water around the pile body into the water penetration layer is arranged between the periphery of the pile body and the inner wall of the pile hole or at the external of the periphery of the pile body; a center cavity communicating with the water penetration layer is formed in the pile body; and a water pumping system for draining the underground water permeated into the center cavity by the water penetration layer is mounted in the center cavity. The invention further discloses a construction method of the hollow antiskid pile with the drainage structure.The drainage structure of the antiskid pile can be used for timely draining the underground water to reduce the underground water level around the antiskid pile so as to achieve the technical purposeof preventing or controlling sudden increment of landslide thrust acted on the antiskid pile; and the hollow antiskid pile with the drainage structure has the advantages of convenience to construct and excellent economy.

Description

technical field [0001] The invention belongs to the technical field of strengthening slopes and landslides, and specifically relates to a hollow anti-slide pile with a drainage structure and a construction method of the anti-slide pile. Background technique [0002] Anti-slide piles are one of the main measures for anti-sliding treatment of slopes and landslides. The effect of the anti-slide pile on the landslide body is to use the anti-slide pile to insert the resistance force (anchor force) of the stable stratum below the sliding surface to the pile to balance the thrust of the sliding body, so as to increase the stability of the landslide body. When the landslide body slides down, it is resisted by the anti-slide pile, so that the slide body in front of the pile reaches a stable state. In the design of anti-slide piles, the thrust of landslide is the key factor to determine the geometric dimensions of anti-slide piles, the spacing of piles, and the configuration of steel...

AI Technical Summary

Problems solved by technology

However, when the landslide body is relatively large, the use of the above methods to suppress or reduce the rise of the groundwater level in the landslide body and the seepage of groundwater to the outside of the slope have limited effects, that is, the use of the above methods to prevent or control the effect of the sudden increase in the thrust of the anti-slide pile landslide Not necessarily reliable, not necessarily economical

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