摘要
针对华北型煤田下组煤底板突水脆弱性问题,在综合分析煤层底板突水危险性影响因素的基础上,考虑到影响底板突水因素的多面性和不确定性,建立了煤层底板突水脆弱性总体评价指标体系。以山西紫金煤业11号煤层为例,运用基于改进AHP(三标度)的模糊综合评价法,对煤层底板突水的脆弱性进行了综合评价。评价结果为:从井田中部向东西两侧,底板突水脆弱性依次为中等、较脆弱、脆弱、中等。评价结果合理可靠,为下组煤开采过程中奥灰水的防治提供科学依据。
For floor water burst problem in down-coal of North China coalfield,considering multiformity and nondeterminacy of influencing floor water burst,floor vulnerability evaluation index system of water burst was set up on the basis of analyzing influence factors of floor water burst. Taking 11 Coal-seam of Shanxi Zijin Coal Industry as an example,applying modified AHP fuzzy comprehensive evaluation method,floor vulnerability of water burst was evaluated. results showed that from middle part of coal-field to east and west side,the vulnerability of floor water burst were respectively medium,weaker,weak and medium. Evaluation result was reliable and this provided scientific reference for Ordovician limestone water prevention in down-coal mining.
出处
《煤矿开采》
北大核心
2013年第6期17-22,共6页
Coal Mining Technology
基金
山西省自然科学基金(2012011033-2)
关键词
AHP
模糊综合评价
煤层底板突水
脆弱性评价
三标度法
AHP
fuzzy comprehensive evaluation
floor water burst
vulnerability evaluation
3-calibration method
