關於地盤改良擠壓砂樁工法的問題 - 土木
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By Delia
at 2009-07-13T23:03
at 2009-07-13T23:03
Table of Contents
小弟目前正在研究一個關於擠壓砂樁的案例,有些問題想請問各位
該場址改良深度為20m深
分為兩層 0~12m為黏土(有側向流潰的現象)
12~20m為砂土
我再改良前後於該場址施做剪力波速試驗(跨孔)
然而剪力波速卻在改良後有降低的現象(改良後不升反降?!)
不知道各位有沒有遇過黏土層在震動後反而更軟化的案例?
謝謝
--
該場址改良深度為20m深
分為兩層 0~12m為黏土(有側向流潰的現象)
12~20m為砂土
我再改良前後於該場址施做剪力波速試驗(跨孔)
然而剪力波速卻在改良後有降低的現象(改良後不升反降?!)
不知道各位有沒有遇過黏土層在震動後反而更軟化的案例?
謝謝
--
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