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为了研究如何避免或者降低在隧道施工风险评估过程中的个体主观性影响,以某公路隧道为依托,分别采用传统的以地质资料和工程经验为主的评估法及基于地质雷达预报的评估法,利用模糊综合评价模型建立风险的权重及隶属度,对隧道施工风险进行对比性评估.将两种不同评估法所得评估结论与工程实际进行比较,结果表明:基于地质雷达预报的隧道施工风险评估法所得评估结论与工程实际更加吻合,评估结论能为施工作业提供有效的指导,达到了满足施工需求的目的.
In order to study how to avoid or reduce the subjectivity of individuals in the process of tunnel construction risk assessment, based on a highway tunnel, the traditional assessment method based on geological data and engineering experience and the assessment method based on GPR are respectively adopted, The fuzzy comprehensive evaluation model was used to establish the weight and membership degree of risk to make a comparative assessment of tunnel construction risk.The results of two different evaluation methods were compared with the actual project.The results show that the risk assessment method of tunnel construction based on geological radar forecast The conclusions obtained are more in line with the actual project. The conclusion of the assessment can provide effective guidance for the construction operation and meet the construction requirements.