Large-section hollow anti-slide pile convenient to recycle and construction method thereof

Abstract

The large-section hollow anti-slide pile convenient to recycle comprises a large-section hollow concrete pile body, a rectangular groove is formed in the center of the large-section hollow concrete pile body, the rectangular groove is filled with an air bag type formwork supporting mechanism, and the air bag type formwork supporting mechanism comprises a rectangular air bag and an inflation and deflation steel pipe; the rectangular air bag is fixed to the outer wall of the inflation and deflation steel pipe in a surrounding mode, the bottom end of the inflation and deflation steel pipe is closed, a plurality of inflation and deflation holes are formed in the inflation and deflation steel pipe, inflation and deflation plugs are arranged at the positions, corresponding to the inflation and deflation holes, of the rectangular air bag, and the inflation and deflation plugs are inserted into the inflation and deflation holes. And a separation layer is arranged on the outer wall of the rectangular air bag. The invention further discloses a construction method of the large-section hollow anti-slide pile convenient to recycle. The construction method comprises the steps of manual hole digging, retaining wall supporting, guide pipe binding, rectangular air bag placing, concrete pouring and demolding. According to the slide-resistant pile, the formwork erecting process is greatly simplified, and the air bag type formwork erecting mechanism can achieve the formwork erecting function and can be conveniently recycled after being deflated.

Description

technical field [0001] The invention relates to the technical field of pile body construction, in particular to a large-section hollow anti-slide pile that is easy to recycle. Background technique [0002] Anti-slide piles are widely used by the people in the process of landslide treatment, and in the actual application of anti-slide piles, the amount of steel reinforcement is quite large, and its cost usually accounts for more than half of the total cost of anti-slide piles. Therefore, in the anti-slide piles In structural design, if the amount of reinforcement can be reasonably reduced, the cost of landslide treatment can be greatly reduced. Compared with the solid section anti-slide pile, the hollow section anti-slide pile can reduce the amount of steel bars. It also has the following characteristics: 1. The section size can be increased appropriately to reduce the amount of concrete; 2. The section increase can improve the section's bending resistance and Shear resistan...

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Problems solved by technology

[0003] Although large-section hollow anti-slide piles have great advantages in reducing the amount of steel bars, the construction of large-section hollow anti-slide piles has the following problems: 1. Before pouring large-section hollow anti-slide piles on site, formwork needs to be carried out. The formwork used is wooden formwork or steel formwork, and the process of setting up the formwork is extremely cumbersome; 2. After the formwork is successfully set up, concrete needs to be poured. After the concrete reaches a certain strength, the formwork will generate great friction under the extrusion of the concrete , resulting in the formwork being difficult to pull out from the large-section hollow anti-skid, these formworks tend to stay in the pile body and become a part of the pile body, which tends to increase the consumption of the formwork

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