| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is related to the field of construction, in particular, to technical facilities for erection of pile foundation erected from bored piles. Lost cap for erection of bored pile in the form of cone-shaped body is made of two parts, upper part of which represents truncated cone, and lower part is formed by bearing rod fixed in cantilever manner from the side of lower base along its symmetry axis with rippers in the form of radially installed plates. ^ EFFECT: reduction of head resistance and easier intrusion of guide tube in earth. ^ 3 cl, 2 dwg |
