YAN Changhong, CHEN Jianjie, WANG Huawei, WU Runjiang, HUANG Yuxiong, CHU Yucheng. 2011: EVALUATION OF SEEPAGE INTO TUNNELS IN GRANITE IN ARID AREA with LOGIC-INFORMATION METHOD. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 338-345.
    Citation: YAN Changhong, CHEN Jianjie, WANG Huawei, WU Runjiang, HUANG Yuxiong, CHU Yucheng. 2011: EVALUATION OF SEEPAGE INTO TUNNELS IN GRANITE IN ARID AREA with LOGIC-INFORMATION METHOD. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 338-345.

    EVALUATION OF SEEPAGE INTO TUNNELS IN GRANITE IN ARID AREA with LOGIC-INFORMATION METHOD

    • Seepage into a tunnel system with granitic surrounding rock in an arid area is studied in this paper using logic-information method.Influential factors of seepage into the tunnels are analyzed and eleven factors are selected.Seriousness of seepage is divided into four grades based on the characteristics of seepage into the tunnels.The logic-information method is established to predict and evaluate seepage into the tunnels on the site.Weights of influential factors are calculated.According to the weights of influential factors,it can be concluded that lithology,landform and fracture characteristics of the surrounding granitic rock influenced the seepage into the tunnels clearly.And the site is divided into several different zones and the probability of seepage in each zone is evaluated.
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