佛岭隧道竖井建设期安全风险评估

Safety Risk Assessment for Foling Tunnel Shaft Construction

佛岭隧道竖井由于其构造的特殊性,再加上所处地质环境的复杂性,在建设过程中存在大量的安全风险。文章通过查阅资料并结合工程实践,建立了佛岭隧道竖井施工阶段主要安全风险评估的指标体系,采用层次分析法与专家打分法相结合对各单因素进行综合,得出准则层和目标层的概率等级指标。通过计算分析,得出佛岭隧道竖井施工阶段安全风险概率等级综合评定值,针对高风险事件,提出降低风险等级的措施。

There were a large number of security risks in the process of construction of Foling tunnel shaft, due to the particularity of its structure, combined with the complexity of geological environment. In this article, the main safety risk assessment index system was established in the Foling tunnel shaft construction stage according to reference information and engineering practice. By combining expert scoring method and analytic hierarchy process, single factor was evaluated synthetically, and then criterion layer and target layer of the probability index were concluded. The comprehensive evaluation value on the Foling tunnel shaft construction safety risk probability level was calculated and analyzed. The measures to reduce the risk level were put forward for high risk events.