采矿与安全工程学报2018,Vol.35Issue(1):112-117,6.DOI:10.13545/j.cnki.jmse.2018.01.016
基于熵权物元可拓模型的工作面顶板水害评价
Evaluation on water disaster from roof strata based on the entropy-weight and matter-element extension model
摘要
Abstract
In order to effectively evaluate the safety level of water disaster control in the roof strata, 11 factors are selected as the evaluation indexes based on the hydrogeological condition, sediment, tectonic and water drainage of the aquifer in the roof. Then the weight of each evaluation index is determined by adopting the entropy-weight method. Finally, the entropy-weight and matter-element extension model is established to evaluate the safety level of water disaster control in roof strata. 5 working faces in Ningdong coal basin with complex hydrogeological conditions are analyzed as examples, of which, the evaluation results are all safe. Meanwhile, those 5 working faces are all mined safely. It indicates that the model evaluation results matches well with the actual situation. In conclusion, the matter-element extension model based on entropy-weight can be used to quantitiatively evaluate the threat of water disaster from roof strata, providing theoretical basis for the safety assessment before longwall mining.关键词
顶板水害/熵权/关联度/物元可拓模型Key words
water disaster from roof strata/entropy weight/degree of association/matter-element extension model分类
矿业与冶金引用本文复制引用
徐会军,赵宝峰,周勇,刘生优..基于熵权物元可拓模型的工作面顶板水害评价[J].采矿与安全工程学报,2018,35(1):112-117,6.基金项目
国家重点研发计划项目(2016YFC0501104,2016YFC0600708) (2016YFC0501104,2016YFC0600708)
中煤科工集团西安研究院面上项目(2016XAYMS10) (2016XAYMS10)