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tunnel disease 【醫學】坑道病,潛涵病。

tunnel vision

It shows that the k near the channel of tunnel ' s base is lower , and most tunnel diseases arise here , which is in agreement with the survey result 計算結果表明,標準圖方案在隧道底部水溝附近結構安全系數偏小,是隧道病害的多發部位,這與實際的觀測結果也比較符合。

The site investigation has shown that operating tunnel disease is serious , even dangerous to operation 現場調查表明,鐵路運營隧道病害嚴重,有的危及行車安全,其健康狀況不容樂觀。

But the base of tunnel is not regarded in tunnel design , which cause tunnel disease 我國鐵路隧道設計中普遍存在“重拱輕底”的思想,由于基底結構薄弱而引起的隧道病害問題嚴重。