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基于熵度量法的盾构施工过程风险评价 被引量:13

Risk assessment in shield construction based on entropy theory
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摘要 为保证盾构施工安全进行,基于熵度量法对盾构施工过程风险进行评价.根据沈阳地铁某盾构工程实际情况,提出包含盾构施工设备、工程水文地质、环境影响和盾构操作的4个一级指标以及22个二级指标的盾构施工风险评估体系,分析计算各指标的权重,建立基于熵度量法的盾构施工风险评价模型.通过分析可知,该地铁项目施工过程中的总体风险为可接受风险,需要引起重视.在规范的操作以及严密的监控措施下,可以做到施工过程中不发生危险. In order to ensure the safety of shield construction,the risk assessment in shield construction was carried out based on entropy theory. According to the actual situation of the Shenyang Metro Line engineering,risk assessment system in shield construction was proposed,which contains 4 one- class indexes: shield construction equipment, engineering geological and hydro- geological, environmental impact and shield operation,and one- class indexes contained 22 two- class indexes,each index weight was analyzed,and shield construction risk assessment model was established based on the entropy theory. Through the analysis,the overall risk in the process is regarded as acceptable risk,need close attention. Based on regulate operation as well as strict control measures,there will be no risk in the construction process.
出处 《湖南科技大学学报(自然科学版)》 CAS 北大核心 2015年第4期64-68,共5页 Journal of Hunan University of Science And Technology:Natural Science Edition
基金 国家自然科学基金资助项目(51308209)
关键词 熵度量法 盾构施工 风险 风险评价模型 风险等级 entropy theory shield construction risk risk assessment model risk rank
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