调查岩溶发育特征，分析突水机理，对隧道的设计和施工具有重要的指导作用。
It is of great use to tunnel design and construction by investigation of karst development and analysis of water burst mechanism.
大红山矿大理岩岩溶发育，由于突水造成井下大量涌水，同时引起地下水位急剧下降，引发了较大范围、较大规模的地面塌陷。
Developed marble karst in Dahongshan mine has led to a great deal of water burst in mine shaft and rapid groundwater table lowering, resulting in a large scale of surface subsidence.
隧道位于岩溶地区，岩溶角砾岩、白云质灰岩在雨季施工时易产生坍塌、突水和突泥现象。
The tunnel site is located in Karstic area with limestones gravels, where is easy to cave in when construction in raining season.
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