DRIVEN ANTICORROSIVE EARTHQUAKE-RESISTANT PILE Russian patent published in 2017 - IPC E02D5/54 

FIELD: construction.

SUBSTANCE: driven earthquake-resistant pile comprises a shaft with an expandable lower part and a V-shaped element located inside the latter, the outlines of which repeat the inner outlines of the lower part of the shaft. The extendable lower part of the shaft is designed with three pairs of triangular grooves on the surface and additional bands and reinforcement meshes located in their area. The V-shaped element is made with a lower part in the form of a quadrangular pyramid and is equipped with two fixing pins on the embedded part in the upper part of the point. The outer surface of the fixing pins is covered with tantalum oxide, made in the form of a glass-like nano-like film.

EFFECT: increased pile reliability.

4 dwg