維持･補修 (2)

11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[III-204] Countermeasure by grouting beneath roadbed of mountain tunnel and verification of effectiveness of countermeasure

*Naomichi Hosaka¹, Mizuno Kouichiro¹, Miyazaki Shinya¹, Yamazaki Ryouma¹ (1. East Japan Railway Company)

Keywords:

mountain tunnels,roadbed,grouting,railway

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