基于FAHP深厚软土基坑施工风险评估及其管控  

Risk A ssessm ent and Control of Foundation Pit Construction Based on FAHP Deep Soft Soil

作　　者：张彬[1] 董素芹[2] ZHANG Bin;DONG Su-qin(Inner Mongolia Vocational and Technical College,Chifeng 024005,China;Inner Mongolia Agricultural University,Hohhot 010000 China)

机构地区：[1]内蒙古交通职业技术学院,内蒙古赤峰024005 [2]内蒙古农业大学建筑工程学院,内蒙古呼和浩特010000

出　　处：《数学的实践与认识》2020年第24期89-98,共10页Mathematics in Practice and Theory

基　　金：国家自然科学基金(51368042)。

摘　　要：最大程度地减小基坑施工风险及灾害损失是目前亟需解决的问题.结合广州某铁路明挖隧道深基坑工程实例,通过对沿线工程地质及周边环境调研分析,明确施工风险的主控因素,建立4个一级指标和13个二级指标风险因素的综合评价指标体系,运用模糊层次分析法(FAHP)对基坑施工进行风险评估.结果表明:该基坑施工总风险评判为严重风险,一级指标风险从高到低依次为:施工人员>施工方法>施工环境>施工材料及机械设备,根据风险因素影响权重提出针对性的应对措施,从现场情况来看,该风险评估结果较好的指导了基坑施工,施工过程安全可控,施工方案合理可行,可以应用于其它类似工程中.At present,it is an urgent problem to minimize the risk and disaster loss of foundation pit construction.Based on the case study of a deep foundation pit project of a railway open cut tunnel in Guangzhou,through the investigation and analysis of the engineering geology and surrounding environment along the line,the main control factors of the construction risk are clarified,a comprehensive evaluation index system of 4 first-class indexes and 13 second-class indexes is established,and the fuzzy level analysis method(FAHP) is used to evaluate the risk of foundation pit construction.The results show that the total risk of foundation pit construction is judged as serious risk,and the first-level indicator risk is from high to low:construction personnel■construction method■construction environment■construction materials and mechanical equipment,According to the influence weight of risk factors,the corresponding countermeasures are put forward.From the field situation,the risk assessment results better guide the foundation pit construction,the construction process is safe and controllable,the construction scheme is reasonable and feasible,and can be applied to other similar projects.

关 键 词：FAHP 基坑施工 风险评估 风险管控 

分 类 号：U455[建筑科学—桥梁与隧道工程]