In tunnel construction of rich water karst area, the key technology to guarantee the tunnel construction security is to detect and forecast the geological situation in front of the tunnel face.
岩溶富水隧道施工中对隧道掌子面前方一定范围内的地质情况进行超前探测和预测预报是保证隧道施工安全的关键技术。
With the construction of the Through-street Tunnel under the Binhai Avenue as a practical example, this article describes the construction technology for tunnels crossing water-rich sand stratum.
结合深圳滨海大道过街隧道的施工实践，分析了隧道所处的工程地质和水文地质情况，详细介绍了隧道穿越富水砂层的施工技术。
The tunnel adverse geological faults include faultage, low strength, geological formation and development of loose, non-rock clay, high stress formation and water-rich strata.
隧洞不良地质段包括断层、低强度的软弱夹层、地质构造发育的结构松散地层、非岩性粘土、高地应力地层和富水地层等。
It is difficult for mined tunnel with shallow cover to cross water-rich sand stratum.
穿越富水砂层一直是浅埋暗挖隧道的难点。
The suitable grouting parameters for Yuanliangshan tunnel. are verified by analyzing particular karst aquifers within high pressure and rich water zone.
针对圆梁山隧道高压富水区的岩溶水分布特点，确定了合理的注浆范围和注浆参数。
Based on the monitoring data of the Kuyu diversion tunnel, the deformation characteristics and mechanisms of the water-rich soft rock tunnel are analyzed.
基于库尉引水隧洞现场监测资料，对富水软岩隧道的变形特性及变形机制进行分析。
Construction of foundation tunnel of multiple building of Changsha traffic cop detachment was very difficult with complicated geological condition, rich water and much flow-sand.
长沙市交警支队技术综合大楼地质条件复杂，水量丰富，流砂严重，基坑施工相当困难。
Construction of foundation tunnel of multiple building of Changsha traffic cop detachment was very difficult with complicated geological condition, rich water and much flow-sand.
长沙市交警支队技术综合大楼地质条件复杂，水量丰富，流砂严重，基坑施工相当困难。
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