トンネル(4)

[III-28] EVALUATION OF SPRING WATER QUANTITY AND PRESSURE IN SEIKAN TUNNEL BY SEEPAGE ANALYSIS

〇Michiaki Imaizumi¹, Takuya Urakoshi¹, Kazuhide Yashiro¹, Tatsuo Okada², Yusuke Nakanishi³ (1.Railway Technical Reserch Institute, 2.Japan Railway Construction, Transport and Technology Agency, 3.Hokkaido Railway Company)

Keywords:undersea tunnel, maintenance, seepage analysis, spring water quantity, spring water pressure