RISK IDENTIFICATION AND SENSITIVITY ANALYSIS OF LEAKAGE OF SLURRY WALL FOR DEEP EXCAVATIONS
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摘要: 运用故障树的分析方法形成地下连续墙渗漏故障树,并计算其最小割集,求得造成渗漏的最基本事件组合,并以最小割集为判据,对造成地下连续墙渗漏的所有因素进行初步敏感性分析,结合工程实例统计的各因素发生概率确定最敏感因素集,最后针对分析结果提出针对性的地下连续墙渗漏防治措施。Abstract: Based on the usage of method of fault tree analysis(FTA),the fault tree of leakage of slurry wall is established and its minimal cut sets is calculated to determine the elementary combination of events resulted in the leakage.The sensitive analysis of factors led to the leakage of slurry wall is carried out and the most sensitive factors set are decided in accordance with probability of all factors.The precaution measures to the leakage of slurry wall are presented.
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Key words:
- excavation engineering /
- slurry wall /
- leakage /
- risk identification /
- fault tree /
- sensitivity analysis
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