发明授权
US06309143B1 Composite pile with tapering lower portion and method for driving pile into granular soil
有权
具有锥形下部的复合桩和将桩驱动到颗粒状土壤中的方法
- 专利标题： Composite pile with tapering lower portion and method for driving pile into granular soil
- 专利标题（中）： 具有锥形下部的复合桩和将桩驱动到颗粒状土壤中的方法
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申请号： US09275991申请日： 1999-03-25
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公开(公告)号： US06309143B1公开(公告)日： 2001-10-30
- 发明人: Stanley Merjan , John Dougherty
- 申请人： Stanley Merjan , John Dougherty
- 主分类号： E02D714
- IPC分类号： E02D714
摘要：
A pile consisting of a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together to form a composite pile, which, after being driven, is filled with concrete.
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