水利水电技术2018，Vol.49Issue(3)：127-134,8.DOI:10.13928/j.cnki.wrahe.2018.03.019
隧道岩溶段涌水突泥风险评价体系初探
Preliminary study on risk evaluation system of water inrush and mud burst in karst section of tunnel
摘要
Abstract
The risk evaluation system of geo-disaster from water inrush and mud burst occurred in the karst section during tunneling is studied herein,so as to provide the basis for disaster prevention and control,and then reduce the loss from the disaster during the construction as lower as possible.At first,the risk impacting factors are divided in accordance with the risk control target and forming conditions,and then a comprehensive evaluation model for the risk from the geo-disaster of water inrush and mud burst in the karst section of tunnel is established on the basis of the relevant risk evaluation theory.Secondarily,the data of the basic characteristics of the evaluating factors are obtained and the classification standard for the risk index factors is defined through the methods of data collection,geological investigation,in-tunnel observation,instrument detection,etc.At last,comprehensive evaluation and verification are made according to the control target in three phases through the analysis on the relevant engineering case.The result shows that under the consideration of the dynamic attributes of the impacting factors,the risk evaluation of the geo-disaster of water inrush and mud burst made in phases more accords with the actual engineering condition.The impacts from rainstorm and the thickness of rock wall are larger on the occurrence probability of the risk,thus must be emphatically controlled,while the risk can be obviously lowered by the targeted control measures.The study result can be widely applied to the construction managements of the projects such as water conservancy,traffic,mine,etc.as well as provide a basis for making construction scheme and implementing disaster control measures.关键词
隧道施工/岩溶地质/涌水突泥/风险评价/综合评价体系Key words
tunneling/karst geology/water inrush and mud burst/risk evaluation/comprehensive evaluation system分类
交通运输引用本文复制引用
徐钟,邓辉,卢平,彭良田,万柯,雷鹏博..隧道岩溶段涌水突泥风险评价体系初探[J].水利水电技术,2018,49(3):127-134,8.基金项目
国家自然科学基金项目(41272332) （41272332）
国家自然科学基金青年基金项目(11402038) （11402038）
