北陸本線糸魚川─直江津間の地質調査と施工上の問題点

概要

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The geology in this area consists of such soft rocks as mudstone, sadstone, tuff and many crashed zone that landslides and collapses of a precipice has happened so freguently. For the purpose of the prevention of these disasters we surveyed thoroughly the geology and selected the root of the double line. This new line has resulted in boring of six tunnels (l=2660m, 1570m, 11355m, 3596m, 1055m and 3025m in length). It is anticipated that these tunnels pass through the swelling rocks and strata with confined water and gar. s The writer mentions the correlation about the geology as above mentioned with engineering works.
一般社団法人日本応用地質学会の論文
1967-03-01