山岳トンネル（覆工・吹付）(2)

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[VI-418] Design of the largest precast lining in japan

*wataru moriyama¹, ryouhei hase¹, hiroyuki hirano¹, douta awazi¹, nagamatu hisataka² (1. Shimizu Corporation, 2. Ministry of Land,Infrastructure and Transport)

Keywords:

Mountain tunnel,Precast lining,Intersection,widening excavation

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