摘要
地铁深基坑施工技术复杂、不确定因素多,施工阶段发生风险的概率较大且风险损失后果严重.为降低和控制地铁深基坑施工风险,有必要对其进行风险评估.结合工程实例,先根据工程地质条件和施工方法等对主要施工风险进行辨识;然后采用模糊层次分析法得到风险概率等级,并结合专家调查法对风险后果等级进行评估;最后确定地铁深基坑施工风险等级为IV级,并根据主要风险提出了有针对性的施工风险控制措施,确保施工安全.
Metro deep excavation engineering is characterized by complex construction technology and many unpredictable factors. The risk is likely to occur in construction and bring vast adverse consequence. It is necessary to make a risk assessment to reduce and Control the metro deep foundation in construction. In this paper, firstly, according to the geological engineering conditions and construction methods to identify the construction risk through a case study. Secondly, fuzzy analytic hierarchy process is used to determine the risk probability grade; and expert research method is used to assess the risk consequence grade. Thirdly, the risk grade of metro deep excavation in construction is IV and make specific control measures to ensure the safety according to principal risk in construction.
出处
《数学的实践与认识》
北大核心
2017年第13期136-142,共7页
Mathematics in Practice and Theory
基金
国家自然科学基金(51608042)
陕西省教育厅自然基金(15JK1337)
西安工业大学校长基金(XAGDXJJ16003)
中央高校基本科研业务费专项资金(310828161004)
自然科学基础研究计划-面上项目(2017JM5136)
关键词
地铁深基坑
风险
模糊层次分析法
风险等级
metro deep excavation pit
risk fuzzy analytic hierarchy process
the level of risk
