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(6) Increasing Fc considerably reduces post-liquefaction residual strength of granular
soils particularly for higher density. The effect is more pronounced by a smaller
increase of Fc in well-graded gravels because of smaller critical fines content or
smaller void ratiothaninpoorly-graded sands.
Acknowledgments
ExperimentalresultsusedinthispaperarefrompreviousresearchescarriedoutinCentral
Research Institute of Electric Power Industry, Japan and in Graduate School of Chuo
University. Mr. Yasuo Yoshida and Dr. Yukihisa Tanaka of CRIEPI and a number of
ex-graduate students of Chuo University, Tadashi Hara, Yoshiro Komiyama and Keita
Murahata, in particular, aredeeply acknowledged fortheir great contributions.
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