A drainage anti-slide pile structure with embedded piles and its construction method

Abstract

The invention discloses a pile column embedded drainage slide-resistant pile structure and a construction method thereof. The slide-resistant pile comprises a lower pile bottom structure, an upper pile body structure, a circular reinforcement cage I, a circular reinforcement cage II and a circular reinforcement cage III. The upper pile body structure comprises an upper annular pile wall, an uppercircular pile core, upper circular pile columns, inclined water collection holes and an upper pile body residual space. The lower pile body structure comprises a lower circular pile bottom and drain holes. According to the slide-resistant pile, the upper circular pile wall, the upper circular pile core and the upper circular pile columns are connected and are connected with the lower circular pilebottom into a whole; the upper circular pile columns are tangent to one another, and the upper circular pile columns are tangent to the upper circular pile wall and the upper circular pile core; theintegrity of the slide-resistant pile is improved; a pile body has the high bending resistance and shear resistance while ensuring the drainage property; the pile column embedded drainage slide-resistant pile effectively resists slope deformation, and the stability of a slope is remarkably improved. The pile column embedded drainage slide-resistant pile structure provides an effective retaining structure for hydrodynamic landslide disaster prevention and control.

Description

technical field [0001] The invention belongs to the field of slope support structures, in particular to a drainage anti-slide pile structure embedded with piles and a construction method thereof, which is suitable for hydrodynamic side slope reinforcement technology affected by hydrological factors such as reservoir water and rainfall. Background technique [0002] Landslide control is a complex geotechnical engineering problem. At present, the main anti-slide measures used in landslide control projects are anti-slide piles. The anti-slide pile is a structure that passes through the slide body and is embedded in the bedrock at a certain depth. The thrust of the upper part of the landslide is transmitted to the stable slide bed through the anti-slide pile, so as to achieve the purpose of landslide control. In landslide treatment projects, the construction of anti-slide piles usually forms a relatively water-repellent wall with extremely low permeability, which will block the ...

AI Technical Summary

Problems solved by technology

If it is a hollow pile, blindly filling the gravel to improve the drainage performance of the anti-slide pile cannot fundamentally solve the defect of poor bending resistance, and will also cause waste of materials

Although many drainage anti-slide piles have both drainage and anti-sliding capabilities, they have defects such as low bending resistance, poor integrity, or poor water permeability.

The document with application number 201820859645.4 discloses a deep drainage anti-slide pile suitable for slopes with loose muck structures. Although the anti-slide pile has both drainage and anti-slide capabilities, the interior of the pile body is a water collection cavity, which cannot fundamentally To solve the disadvantage of its lack of bending performance

The document with the application number 201821355796.2 discloses prefabricated drainage bamboo piles, using prefabricated permeable concrete pipes instead of crushed stones, which can partially compensate the bending performance, but its water permeability is greatly reduced

The document with the application number 201710851300.4 discloses the anti-sliding pile and its construction method for collecting drainage and liquefaction. The bottom pier is formed simply by pouring, there is no connection between the two, and the integrity is poor

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