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中文摘要：
基于可拓学理论和专家打分-层次分析法,利用专家打分-层次分析法确定影响底板突水各因素的权系数,选取了影响底板突水等级的1 2个影响因素作为评价特征,运用可拓学理论建立物元模型进行底板突水安全性评价,并结合实际工程背景,对山东华秦矿业有限公司深部31 5采区进行了底板突水安全性评价.结果表明,该矿深部开采区域突水等级为Ⅳ级,涌水量偏高,约为800～1 100 m3/h,验证了评价方法的有效性,评价结果客观合理,具有较好的实用性.
英文摘要：
Based on the theory of extenics and expert scoring -analytic hierarchy process （AHP）.expert scoring -ana- lytic hierarchy process （AHP） was used to determine the weights of the various factors effecting the inrush, with consideration of inrush grade 12 factors as evaluation characteristics. The matter-element model for floor water safety evaluation was built and a safety evaluation of water-inrush from floor in deep mining was carried out in the actual engineering background. The results in the field work indicate that the water levels are category IV,and the outflow ranges between 800-1 100 m3/h. The evaluation results verify the validity and applicability of the evaluation method.
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North China Lower Coal Surrounding Rock Failure Characteristics Study Based on FLAC3D and Fiber Brag
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