Occlusal pileIt is a kind of foundation pit pile row enclosure, and part of the circumference between adjacent concrete pile row is embedded,The reinforced concrete pile and plain concrete pile are cut and occluded to form a soil retaining and enclosure structure with good impermeability. Because it is characterized by the mutual occlusion between piles, it is called occluding pile.

Occlusal pileConstruction principle:

Occlusal pileFeatures:

Functional advantages:

(1) the reinforcement ratio is low;

(2) good mechanical integrity;

(3) Flexible construction.

Disadvantages:

(1) the diameter of the occluding pile is restricted;

(2) After pouring concrete, sometimes the steel cage will rise;

(3A split may occur resulting in water leakage.

Construction method of occluding pile:

Full casing construction method,Rotary drilling construction method,Rotary drill construction method, Long spiral post pressure irrigation construction method.

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