Fuzzy integrated assessing theory was used in hard rock mine goaf for the first time and multifactor assessing model for goaf hazard degree was also constituted.
首次在硬岩矿山采空区评价中引入综合模糊评价理论，建立了采空区灾害危险度多因子评价模型。
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This paper researches the integrated method of urban debris flow risk assessment. The method involves the debris flow hazard zonation, the urban vulnerability evaluation and the risk assessment.