长兴盆地地下水资源丰富，有第四系孔隙水、砂岩裂隙水、碳酸岩类。裂隙水与溶洞水。
In Changxing Basin, there are abundant ground water resources, such as pore water of Quaternary system, fracture water of sandstone, fracture water and cavern water of carbonatite.
由于地质条件的复杂性，隧道工程在开挖过程中面临着断层、溶洞、涌水、涌泥等各种地质灾害。
As the complexity of the geological conditions, various geological disasters such as fault, rock burst, karst caves and so on in the tunnel excavating will be faced.
隧道在施工中不可避免地会遇到诸如溶洞、突水、坍塌等常见的地质灾害。
The geological disaster, such as cave of karst, rushing water and collapse often occur in tunnel excavation.
据此，详细介绍灌浆技术在岩溶地区处理涌水溶洞时的具体应用，这对于其他类型的堵漏及地基加固项目也可提供一定的参考。
Based on a foundation treatment project, karst cave grouting, jet grouting pile and steel pipe pile as well as their applications in actual engineering project were presented.
为此，在隧道进口设置长约4700 m的泄水洞，以泄出溶洞内高压水，保证隧道施工及运营安全。
For ensuring the safety of construction and traffic, a 4700 m-drainage tunnel was built to release the karst water in the Maluqing tunnel.
监测和分析认为，隧道揭露的含水溶洞突水对当地水环境影响最大，也是地表降水对隧道支护产生影响的主要通道。
It was found that the water gushing from the water filled limestone cave contributes the great impact on water environment, which is also the main...
监测和分析认为，隧道揭露的含水溶洞突水对当地水环境影响最大，也是地表降水对隧道支护产生影响的主要通道。
It was found that the water gushing from the water filled limestone cave contributes the great impact on water environment, which is also the main...
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