FIELD: construction.
SUBSTANCE: invention relates to construction and is intended for installation of drilled injection piles in soft soils when erecting foundations of buildings on complex relief, retaining walls, slopes of roads. Drilled injection pile includes an injection pipe with injection holes and an elastomer shell fixed on its lower part. Injection pipe is equipped with a reinforcing frame made in the form of reinforcing rods enclosing the elastomer shell with upper ends fixed on the injection pipe and free lower ends located above the cutting device installed on the end of the injection pipe with knives hinged to the head of the device. Drilled injection pile is equipped with a casing pipe and a shut-off pipe installed on the injection pipe over the reinforcement rods.
EFFECT: higher strength of pile for low bearing capacity of soils.
1 cl, 3 dwg
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