A natural flexible prefabricated drain assembled by using jute and coir natural fibres has been in use for deep soil stabilisation in some countries for over a decade now. Excellent performance record, adaptability, versatility and most of all, its environmental acceptability are the virtues contributing to its growing popularity.
The natural fibre prefabricated drain has gained popularity over its synthetic counterparts in Indonesia and most recently in Japan. In this paper, the author reports one recent study involving such a drain application in a soil im rovement project involving deep seated marine clay for the redevelopment of Hiroshima port in Japan.
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