黄金科学技术 ›› 2019, Vol. 27 ›› Issue (1): 72-79.doi: 10.11872/j.issn.1005-2518.2019.01.072
Rendong HUANG,Zanzan LIU*(),Zezheng YAN
摘要:
为降低基坑安全评价指标等级边界信息的随机性和模糊性给评价结果带来的不利影响,构建基于有限区间云理论的基坑安全综合评价模型。依据基坑安全性评价指标分类标准,计算出各评价指标隶属于不同分类等级的云数字特征,然后利用博弈论组合赋权法明确各评价指标的权重,并结合有限正向云发生器,得到评价对象的综合确定度,最后根据最大隶属原则确定基坑安全性等级。将该方法应用于工程实践中,并在评价过程中与传统云模型、可拓法进行对比分析。研究结果表明:运用该方法所获取的基坑安全性评价结果与可拓法评价结果一致,符合工程实际,且克服了传统云模型在处理指标值远离两端云期望值时的弊端,可为基坑安全评价研究提供一种新思路。
中图分类号:
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