- 著者
-
横平 弘
- 出版者
- 公益社団法人 土木学会
- 雑誌
- 土木史研究 (ISSN:09167293)
- 巻号頁・発行日
- no.19, pp.353-360, 1999
It is compared in this paper that the progress of reconstruction for four big or middle railways tunnels and corresponding passes on the national road.<BR>By the results of comparison with tunnels and passes, passes are repaired completely, however tunnels is not repaired yet. Therefore, the tunnels need to be reconstructed as soon as possible.