THE SETTLEMENT, HARDNESS AND LIQUEFACTION OF SAND BEDS DUE TO FLUCTUATING WATER PRESSURE

Takaaki Minamimura; Masaki Niiyama; Takao Akutu; Kenji Yano; Toshihiko Yamashita

doi:10.9753/icce.v26.%p

No. 26 (1998), Conference Proceedings

No. 26 (1998)

THE SETTLEMENT, HARDNESS AND LIQUEFACTION OF SAND BEDS DUE TO FLUCTUATING WATER PRESSURE

Conference Proceedings

https://doi.org/10.9753/icce.v26.%25p

Published 1998-01-29

Takaaki Minamimura⁺⁻
Masaki Niiyama⁺⁻
Takao Akutu⁺⁻
Kenji Yano⁺⁻
Toshihiko Yamashita⁺⁻

Takaaki Minamimura

Obayashi Corporation

Masaki Niiyama

Laboratory of Coastal and Offshore Engineering, Division of Environment and Resources Engineering, Hokkaido University

Takao Akutu

Hokkaido Development Bureau

Kenji Yano

Depertment of Marine science and Technology, Hokkaido Tokai University

Toshihiko Yamashita

Laboratory of Coastal and Offshore Engineering, Division of Environment and Resources Engineering, Hokkaido University

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Keywords

water pressure
pressure fluctuation
liquefaction
bed

How to Cite

Minamimura, T., Niiyama, M., Akutu, T., Yano, K., & Yamashita, T. (1998). THE SETTLEMENT, HARDNESS AND LIQUEFACTION OF SAND BEDS DUE TO FLUCTUATING WATER PRESSURE. Coastal Engineering Proceedings, 1(26). https://doi.org/10.9753/icce.v26.%p

Abstract

The degree of sand beds compaction affects the accumulation and erosion of shorelines, and the popuration of creatures which live in sandy beach. The properties of the settlement, hardness and liquefaction of sand beds due to fluctuating water pressure were experimentally studied. The settlement of a sand bed was accelerated by liquefaction .The thickness of liquefaction layer which is estimated from the measured values of excess pore water pressure agreed well with one from the measured values of the rate of settlement. The hardness of sand bed was determined only by void ratio independent of liquefaction or non-liquefaction beds.

https://doi.org/10.9753/icce.v26.%25p

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THE SETTLEMENT, HARDNESS AND LIQUEFACTION OF SAND BEDS DUE TO FLUCTUATING WATER PRESSURE

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