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洞口段是隧道的关键段,此段地形条件会对隧道施工产生很大影响。合理的施工方案对隧道进洞起决定性作用;隧道洞口段也是施工事故多发段,洞口段施工方案的优劣,在某种程度上决定隧道的成败。本文运用模糊层次分析法、建立洞口段施工评选方案,综合各因素建立评价模型,计算出各因子的相对重要次序的权重,并通过排序的结果得出各因子在实际施工中的重要性。
Dongkou section is the key section of the tunnel, this section of the terrain conditions will have a great impact on the construction of the tunnel. Reasonable construction program plays a decisive role in the tunnel entrance; tunnel entrance section is also a construction accident prone section, the construction of the entrance section of the pros and cons of the project, to some extent, determine the success or failure of the tunnel. In this paper, fuzzy analytic hierarchy process is used to establish the selection scheme for the construction of the tunnel mouth section, and the evaluation model is established based on all factors to calculate the weight of the relative importance of each factor. The importance of each factor in the actual construction is obtained through the ranking results.