欢迎来到天天文库
浏览记录
ID:55675531
大小:378.03 KB
页数:6页
时间:2020-05-24
《煤层底板突水危险性的可拓评判及应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Vo1.41No.4矿业安全与环保第41卷第4期Aug.2014MININGSAFETY&ENVIRONMENTALPROTECTION2014年8月张强,董青红,陈凯,等.煤层底板突水危险性的可拓评判及应用[J].矿业安全与环保,2014,41(4):44—49文章编号:1008—4495(2014)04—0044—06煤层底板突水危险性的可拓评判及应用张强,董青红,陈凯,刘飞,粟梅(中国矿业大学资源与地球科学学院,江苏徐州221116)摘要:为了全面评价煤层底板突水危险性,选取断层密度、断层导水性、裂隙发育程度、
2、承压水水压、含水层富水性、岩溶发育程度、强水源补给、隔水层厚度、隔水层强度、隔水层完整性、开采厚度、开采深度、工作面斜长等13个因子作为影响底板突水的主要因素,以物元理论、可拓集合论和关联函数运算为基础,建立了煤矿开采底板突水危险性等级评价的物元模型。应用该模型对淮北某矿3612工作面底板突水危险性进行评价,验证了其正确性。选取近年来煤层底板突水的典型案例作进一步的应用分析,其结果与实际相吻合。基于可拓评判法的煤层底板突水危险性分类具有较高可靠度和实用性,研究结果为煤层底板突水危险性分类提供了一种新的思路和方法。关键
3、词:可拓学;物元模型;底板突水;危险性分类中图分类号:TD745文献标志码:B网络出版时间:2014—07—2509:34网络出版地址:http://www.cnki.net/kcms/detail/50.1062.TD.20140725.0934.013.htmlExtenicsEvaluationofCoalSeamFloorWaterInrushHazardandItsApplicationZHANGQiang,DONGQinghong,CHENKaiLlUFei,SUMei(SchoolofResourcea
4、ndEarthScience,ChinaUniversityofMiningandTechnology,Xuzhou221116,China)Abstract:Inordertooverallevaluatingthewaterinrushriskincoalseamfloor,13factorsincludingthefaultdensity,thewaterconductivityoffault,thefracturedevelopmentdegree,thepressureofconfinedwater,the
5、wateryieldpropertyofaquifor,Karstdevelopmentdegree,themake-upofstrongwatersource,thethickness,strengthandintegrityofwater—resistinglayer,theminingthicknessanddepthandtheinclinedlengthofworkingfacewerechosenasthekeyevaluationfactorswhichaffectfloorwaterinrush.By
6、takingthematter-elementtheory,theextenicssettheoryandtheoperationofrelevancefunctionasthebase,amatter—elementmodelforfloorwaterinrushriskevaluationincoalmineswasestablished.Evaluationwasmadewiththismodelonthefloorwaterinrushriskin3612workingfaceinamineinHuaibei
7、CoalMiningArea,anditscorrectnesswasverified.Sometypicalcasesofminefloorwaterinrushoccurredinrecentyearswereselectedforfurtheranalysis,andtheanalysisresultswereconsistentwiththeactualones.Theclassificationofminefloorwaterinrushriskbasedontheextenicsevaluationhas
8、higherreliabilityandapplicability,andtheresearchresultsprovidedanewthoughtandmethodfortheevaluationofcoalminefloorwaterinrushrisk.Keywords:extenics;matter—elementmodel;floor
此文档下载收益归作者所有