摘要 |
FIELD: construction. ^ SUBSTANCE: device for compaction of soil in drilled pile well bottomhole includes casing pipe, bushing fixed on it with working element pulled through it. Working element is arranged in the form of hollow pipe, at the lower end of which there is a thrust journal and sealing attachment, and at the upper end there are upper and lower supports and inertial mass, placed on hollow pipe between upper and lower supports with sliding fit. ^ EFFECT: improved bearing capacity of drilled piles erected in watered and soft soils. ^ 4 dwg |