Construction method of pile hole protective wall of manually excavated anti-slide pile

Abstract

The invention discloses a construction method of a pile hole protective wall of a manually excavated anti-slide pile. The construction method comprises the following steps that firstly, a top-sectionprotective wall and various prefabricated pieces of protective wall units are prefabricated in a factory; secondly, a pile hole is excavated at the designed position according to the designed dimensions, when the excavation depth is equal to the height of the top-section protective wall, and the top-section prefabricated protective wall is hoisted and installed; thirdly, the pile hole continues being excavated downwards, when the excavation depth of the pile hole is equal to the height of the first-section protective wall unit, all the prefabricated pieces of the first-section protective wallunit are sequentially hoisted, installed and connected into a whole; fourthly, the third step is repeatedly executed until all the protective wall units are installed. The construction method has theadvantages that the prefabricated pieces of the top-section protective wall and the protective wall units all can be prefabricated in factory, it is just needed to install the top-section protective wall and the multiple sections of protective wall units in the pile hole from top bottom, so that the work amount of wet construction in the pile hole is greatly reduced, the construction speed is rapid, and the construction period is shortened.

Description

technical field [0001] The invention relates to the field of side slope reinforcement, in particular to a construction method for artificially digging anti-slide pile hole protection walls. Background technique [0002] The anti-slide pile is to penetrate the pile body into the rock and soil mass, relying on the strong anti-deformation ability of the pile body to resist the sliding force of the sliding body, so as to ensure the safety of the slope. Due to the advantages of small excavation surface, small masonry volume, flexible layout location, fast construction speed and good reinforcement effect, anti-slide piles are widely used in fields such as water conservancy, highways, railways and construction engineering, and are suitable for remediation of shallow and medium Thick and deep large-scale landslides. [0003] In the construction of anti-slide piles, in order to maximize the resistance of anti-slide piles, anti-slide piles with rectangular cross-sections are often us...

AI Technical Summary

Problems solved by technology

Most of the existing pile hole retaining walls are cast-in-situ retaining walls, such as CN205296177U discloses a retaining wall supporting structure suitable for artificially digging anti-slide pile pile holes, during construction, a section of retaining wall is poured into every section of pile hole, and this section of retaining wall is required to reach A certain strength can continue to excavate the pile hole downwards. The wet work is heavy and the pile hole construction period is long, which makes the pile hole exposed for too long and weakens the slope anti-slide ability of the anti-slide pile.

At the same time, the existing retaining wall that is excavated and poured has a long construction period and a long exposure time, which is especially not suitable for slopes with poor engineering properties.

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