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[VI-961] Trial calculation of discharged soil volume in foam shield tunnelling considering loss of additive and water balance

*Teru Yoshida¹, Kazuo Yoshizako¹, Masayoshi Nakagawa¹, Fumio Tatsuoka² (1. KAJIMA CORPORATION, 2. Prof. Emeritus,Univ. of Tokyo & Tokyo Univ. of Science)

Keywords:

foam shield tunnelling,evaluation of excavated soil volume,additive,excavated soil rate,water balance,sedimentary soft rock

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