PILE Russian patent published in 1994 - IPC

FIELD: civil engineering. SUBSTANCE: pile comprises spiral member with fixed ends in the form of net with the maximum mesh size of 0.01 to 0.05 of the minimum pile cross section, the height ranging from 0.8 to 1.2 of the pile cross section and the spiral coil pitch of 0.03 to 0.1 of the same pile cross section. The pile head may be provided with rack-shaped distributing members arranged along the diagonal of the head and/or parallel to its sides and rigidly secured to the working reinforcement. EFFECT: improved design. 3 cl, 2 dwg, 1 tbl