发明名称 DEVICE FOR COMPACTION OF SOIL IN BOTTOMHOLE
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
申请公布号 RU2401909(C2) 申请公布日期 2010.10.20
申请号 RU20080139138 申请日期 2008.10.01
申请人 OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU PROEKTNO-STROITEL'NAJA KOMPANIJA "FUNDAMENT" 发明人 LUBJAGIN ALEKSANDR VASIL'EVICH;BOBRJAKOV AL'BERT PAVLOVICH
分类号 E02D5/44 主分类号 E02D5/44
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