難透水性材料を対象とした透水試験方法の現状・課題とその対応(<特集>地盤環境工学の不易流行)

概要

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For the designing and quality identification of sealing works for waste disposal site and low-permeable geo-technical materials used for vertical impermeable wall and cover soil works for in-situ containment, the measurement of saturated hydraulic conductivity is carried out by the permeability test. In this report, the results of questionnaire targeting workers and researchers who perform the permeability test intended for the low-permeable materials are introduced, and the current state and issue are summarized. Then, the recent research outcomes regarding the evaluation of laboratory and in-situ permeability tests are reviewed. Thereafter, the controversial points for the institutionalization of the permeability test method intended for the low-permeable materials and its strategy are discussed with recent research findings.
2011-08-01