基于模糊综合评价法的软弱围岩隧道洞口段施工风险评价
Construction Risk Evaluation of Weak Surrounding Rock Tunnel Portal Section Based on Fuzzy Comprehensive Evaluation Method
摘要: 依托某隧道高速公路项目洞口段施工部分，构造三层次的软弱围岩隧道洞口段的施工风险评价体系，提出了一种基于模糊综合评价法的软弱围岩隧道洞口段施工风险评价模型。首先，运用灰色关联法与CRITIC法确定评价目标的主、客观权重，并在此基础上确定组合权重。其次，通过建立梯形隶属度函数来构建隶属度矩阵。最后，利用模糊综合评价法对评价目标进行风险评估，并将该评估模型应用于施工开挖实体工程中，并与现场评估结果进行对比。研究结果表明模型计算的结果与现场评估结论基本吻合，验证了该模型的可行性，为实际工程施工提供了更有价值的信息支持。
Abstract: Based on the construction part of the tunnel entrance section of a certain tunnel expressway project, a three-level construction risk assessment system for the tunnel entrance section of weak surrounding rock tunnels is constructed, and a construction risk assessment model for the tunnel entrance section of weak surrounding rock tunnels based on the fuzzy comprehensive evaluation method is proposed. Firstly, the subjective and objective weights of the rating target are determined by using the grey relational method and the CRITIC method, and on this basis, the combined weights are determined. Secondly, the membership degree matrix is constructed by establishing a trapezoidal membership degree function. Finally, the fuzzy comprehensive evaluation method is utilized to conduct a risk assessment of the evaluation target, and this evaluation model is applied to the actual construction excavation project. The on-site assessment results are then compared. The research results show that the calculation results of the model are basically consistent with the on-site assessment conclusions, verifying the feasibility of the model and providing more valuable information support for the actual engineering construction.
文章引用：冉德晖, 彭亚雄, 陈鹏. 基于模糊综合评价法的软弱围岩隧道洞口段施工风险评价[J]. 土木工程, 2025, 14(9): 2230-2240. https://doi.org/10.12677/hjce.2025.149240

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