1994•PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEANOpen access

Wave Flume Experiment on the Settlement of Reclamed Sand behind a Caisson-type Seawall

Shigeo Takahashi, Kenichiro SHIMOSAKO, Shinji Yamamoto, Kouki Zen, H. Yamazaki

Abstract

A model experiment is conducted in a large wave channel to reproduce the settlement failures of caisson type seawalls. Due to wave overtopping and wave transmission through the rubble mound, the reclamed sand is washed down through the back-fill rubble stones. The pore pressure variation in the rubble stones and reclaimed sand can well explain the through-wash of the sand.

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Key concepts: Rubble, Seawall, Caisson, Geotechnical engineering, Settlement (finance), Flume, Geology, Riprap