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[III-206] About a tunnel measure artisan in a fault fracture zone

〇Yohei Watabe¹, Shunsuke Miyagawa¹, Toshihiro Ootake¹, Hiroto Yamanaka¹, Katsuhiro Abe² (1.OBAYASHI CORPORATION, 2.Ministry of Land, Infrastructure, Transport and Tourism)

Keywords:Fault fracture zone, Face collapse, Hollow investigation, Supplementary construction method, Drainage boring, Timbering reinforcement