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PRESSURE GROUTED PIER AND PIER INSERTING TOOL
PRESSURE GROUTED PIER AND PIER INSERTING TOOL
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机译:压力灌浆码头和码头插入工具
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摘要
An improved pipe pier inserting tool comprising at least two separate driving means, attached to two separate gripping means, whereby a pipe pier held within the gripping means can be forced, either in tandem or sequentially, by the two driving means into unstable soil beneath a building foundation so as to add new support.
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