巖溶隧道突水災變過程分析及控制技術

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Analysis on the process of water burst catastrophe and it's prevention countermeasures in a karst tunnel

1. Innovative Base of Geotechnical and Thermal Engineering, China University of Geosciences, Beijing 100083, China;
2. School of Civil Engineering and Mechanics, Yanshan University, Qinhuangdao 066004, China;
3. School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing 100044, China

摘要: 采用現場調查、模擬實驗、理論分析與現場監測相結合的研究方法,對圓梁山隧道巖溶突水特征及突水機理進行了系統研究,揭示了隧道巖溶突水是受巖溶充填物、水壓與隧道圍巖塑性區范圍等因素影響的漸進破壞過程.針對圓梁山隧道揭露的5個巖溶,分別制定了有效防治巖溶突水的關鍵技術對策.
- 工程地質條件 /
- 巖溶隧道 /
- 巖溶突水 /
- 數值模擬 /
- 防治對策
Abstract: On basis of the investigation on engineering geological conditions, the process, pattern and features of karst water burst, as well as the mechanism of the water burst, were studied by means of laboratory test, numerical modeling, theoretical analysis and in-situ tests. The results showed that the karst water burst in a tunnel was a gradually developed process, which is influenced by water pressure, filling materials and plastic zpnes around the tunnel. Detailed technical measures were planned for different karst structural types and different geological modes in Yuanliangshan tunnel.
- engineering geological conditions /
- karst tunnel /
- karst water burst /
- numerical simulation /
- prevention countermeasure