发明名称 |
SOIL IMPROVEMENT METHOD |
摘要 |
PROBLEM TO BE SOLVED: To provide a soil improvement method capable of reducing a cost without increasing foundation strength beyond necessity to prevent liquefaction.SOLUTION: A soil improvement method solidifies and improves the ground 1 immediately beneath a structure 10 such as a road embankment by: solidifying and improving a region 2 necessary for stability with respect to deadweight load of a structure 10 by solidification piles 8; constructing boreholes 6 from a ground surface 1a in the region 2 necessary to secure stability of the structure 10 in the ground 1 which liquefies at the time of an earthquake; inserting air injecting pipes 7 down to lower edges of the boreholes 6; and getting the region 2 unsaturated by injecting air A into the region 2, which is solidified and improved by the solidification piles 8, through injection holes of the air injecting pipes 7. |
申请公布号 |
JP2013185306(A) |
申请公布日期 |
2013.09.19 |
申请号 |
JP20120048873 |
申请日期 |
2012.03.06 |
申请人 |
FUDO TETRA CORP;TOA HARBOR WORKS CO LTD;ORIENTAL SHIRAISHI CORP;DIA CONSULTANT:KK |
发明人 |
MIYOSHI AKIHIRO;SAEGUSA HIROYUKI;OUCHI MASATOSHI;YAMAURA MASAYUKI |
分类号 |
E02D3/12;E02D3/10;E02D27/34;E02D31/08 |
主分类号 |
E02D3/12 |
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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