...With the exception of undersea tunnels such as the Seikan Tunnel, the majority of underwater tunnels are built in large cities near the mouths of rivers, and many of the locations have weak geology. *Some of the terminology used in reference to the "cut and cover backfill method" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水底トンネルは青函トンネルのような海底トンネルを除けば,大多数は河口近くの大都市に作られ,地質も軟弱な場所が多い。 ※「開削埋戻し工法」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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