坍陷地 的英文怎麼說
中文拼音 [tānxiànde]
坍陷地
英文
collapse land-
The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period
摘要貴州水柏鐵路何家寨隧道,工程地質條件極其復雜,集「高瓦斯、強巖溶、大涌水」為一體,施工期間曾發生多次涌水涌砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災害,堪稱水柏鐵路施工難度最大的「爛洞子」 。This article introduced the method of geological investigation of nanling tunnel karst disease, elaborated the tunnel engineering geology conditions, especially the karst water, the karst water power channel and the harm of karst water, and analyzed the cause that produced the karst disease
摘要南嶺隧道巖溶地下水活動造成地表坍陷、洞內泥砂淤塞等病害,其原因在於隧道施工遺留的導洞長期疏排巖溶水,採用地質測繪、物探、鉆探、水文地質試驗等綜合勘察方法,查明地下水通道位置、地下水流速、流向,針對病害原因,提出攔截、封團、疏排、填充等綜合整治方案。
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