DISCHAGE CAPACITY OF HORIZONTAL DRAIN AT THE BASE OF EMBANKMENT ON SOFT SUBSOIL
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概要
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The discharge capacity (qw) of prefabricated horizontal drain (PHD) placed at the base of embankment on soft subsoil is investigated by laboratory tests. For two PHDs tested, although their qw values reduced with confining pressure and elapsed time, for the conditions investigated, their long-term confined in clay qw values were more than 16, 000m3/yr/m. The field performance of PHD has been investigated by FEM analysis. Under the assumed conditions, the analysis results indicate that when qw>1, 000m3/yr/m, qw value will have almost no effect on embankment settlement. This suggested that the two PHDs tested are suitable as drainage material under embankment on soft subsoil
- 国際ジオシンセティックス学会 日本支部の論文
国際ジオシンセティックス学会 日本支部 | 論文
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