发明名称 |
Sand pile driving method |
摘要 |
A sand pile driving method for making a sand pile which does not cause trouble in terms of strength even at a soft point in the actual ground, and enables secure limitation of the increase in total construction time and total amount of sand. A compaction procedure is a procedure for compacting a granule pile 15 by pressing and rotating the casing pipe 13 downward. This is performed based on thrust force P by which the casing pipe presses a granule pile and a driving torque T for rotating the casing pipe against a granule pile.
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申请公布号 |
US6881013(B2) |
申请公布日期 |
2005.04.19 |
申请号 |
US20030624930 |
申请日期 |
2003.07.21 |
申请人 |
FUDO CONSTRUCTION CO., LTD. |
发明人 |
OTSUKA MAKOTO;ISHIDA OSAMU;YOSHITOMI HIROKI |
分类号 |
E02D3/10;(IPC1-7):E02D3/10 |
主分类号 |
E02D3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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