基于云模型的扩机工程进水口基坑施工风险评价  

Construction Risk Evaluation of Expansion Engineering Inlet Pit Based on Cloud Model

作　　者：唐直帆 祝文化[1] 文超 李俊 李伦 TANG Zhi-fan;ZHU Wen-hua;WEN Chao;LI Jun;LI Lun(School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China;China Gezhouba Group No.1 Engineering Co,Ltd,Yichang 443002,China)

机构地区：[1]武汉理工大学土木工程与建筑学院,武汉430070 [2]中国葛洲坝集团第一工程有限公司,宜昌443002

出　　处：《武汉理工大学学报》2023年第10期98-103,共6页Journal of Wuhan University of Technology

基　　金：国家自然科学基金面上项目(51374163)。

摘　　要：进水口基坑施工受高水头及多次重复爆破影响,施工过程中的安全风险高,针对施工风险评价具有模糊性和随机性,提出基于云模型的基坑爆破施工风险评价方法。从工程环境因素、施工作业因素、施工管理因素等方面进行危险源辨识,确定进水口基坑施工风险评价指标体系,应用层次法对评价指标进行赋权,通过云发生器生成风险云图,直观地对基坑施工风险因素进行分析及评价。实例应用结果表明:将层次法与云模型相结合,提出的基于云模型的进水口基坑施工安全评价方法合理可行,可为类似水工建筑物基坑施工安全评价及控制提供借鉴。The excavation of water intake pit is affected by high water head and repeated blasting,and the safety risk is high in the construction process.Aiming at the fuzziness and randomness of construction risk evaluation,a risk evaluation method of foundation pit construction based on cloud model was proposed.Hazard source identification was carried out from the aspects of engineering environmental factors,construction operation factors,construction management factors and so on,to determine the risk evaluation index system of water inlet foundation pit construction.The evaluation index was weighted by applying hierarchical method,and the risk cloud map generated by cloud generator was intuitively analyzed and evaluated for foundation pit construction risk factors.The practical application shows that the cloud model based construction safety evaluation method of water inlet foundation pit is reasonable and feasible,which can provide reference for the construction safety evaluation and control of similar hydraulic buildings.

关 键 词：进水口基坑 层次法 赋权 云模型 风险评价 

分 类 号：TU45[建筑科学—岩土工程]