海面廃棄物処分場の遮水基盤を貫通する杭の施工可能性に関する検討(<特集>環境リスク面から捉えた廃棄物の地盤工学的利用)

概要

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Early offshore waste repositories constructed offshore are inland reclaimed land nowadays. Such a reclaimed land should be anticipated to be useful use. As foundation ground (impermeable ground) of these areas are left in soft ground state to maintain low permeability. In these areas ground improvements such as sand drains method or sand compaction pile method aren't treated. When important and heavy structures are constructed on such ground, pile foundations are inevitably required for supporting them. In this paper, effects of pile driving on the soundness of impermeable ground were investigated. It was found that low permeability of impermeable ground can be maintained if the piles are penetrated through impermeable ground.
2008-08-01