加给陇洼矿区首采区矿井涌水量计算方法及其可靠度研究
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摘要
在多年冻土区和季节冻融区,矿井涌水量计算和预测是一个值得研究的课题。根据青海加给陇洼矿区水文地质条件,采用数值法和解析法对加给陇洼矿区首采区矿井涌水量进行计算和分析。结果表明:加给陇洼矿区地下水的补给、径流和排泄的边界条件,明显受到冻融循环条件的干扰,地下水补给以冻土融水为主。用数值法和解析法在青海加给陇洼首采区矿井涌水量计算和预测的过程中,数值法计算和预测精度为C级,可信度为0.4;解析法预测精度为D级,可信度为0.3,采用数值法计算和预测结果的可靠度高于解析法,为青海冻土区首采区矿井涌水量计算和预测提供了基础数据,对青藏高原冻土区矿井涌水量计算和预测具有很好的参考意义。
In permafrost regions and seasonal freezing-thawing regions,mine water inflow′s calculation and prediction is a subject worth studying.According to the hydrogeological conditions of Qinghai Jiageilongwa mining,numerical method and analytic method are used to calculate and analyze the initial mining water inflow of Jiageilongwa mining.The results show that the boundary conditions of recharge,runoff and discharge of groundwater in Jiageilongwa mining are obviously disturbed by the freezing-thawing cycle conditions.Using numerical method and analytical in the process of calculation and prediction of initial mine water inflow in Qinghai Jiageilongwa mining,the prediction accuracy of numerical method is grade C and the reliability is 0.4,the prediction accuracy of analytical method is D grade and the reliability is 0.3.The reliability of numerical calculation and prediction results is higher than that of analytic method,which provides basic data for calculation and prediction of initial mining water inflow of Qinghai cryolithozone,and has a good reference significance for calculation and prediction of mine water inflow in the Qinghai-Tibet plateau cryolithozone.
In permafrost regions and seasonal freezing-thawing regions,mine water inflow′s calculation and prediction is a subject worth studying.According to the hydrogeological conditions of Qinghai Jiageilongwa mining,numerical method and analytic method are used to calculate and analyze the initial mining water inflow of Jiageilongwa mining.The results show that the boundary conditions of recharge,runoff and discharge of groundwater in Jiageilongwa mining are obviously disturbed by the freezing-thawing cycle conditions.Using numerical method and analytical in the process of calculation and prediction of initial mine water inflow in Qinghai Jiageilongwa mining,the prediction accuracy of numerical method is grade C and the reliability is 0.4,the prediction accuracy of analytical method is D grade and the reliability is 0.3.The reliability of numerical calculation and prediction results is higher than that of analytic method,which provides basic data for calculation and prediction of initial mining water inflow of Qinghai cryolithozone,and has a good reference significance for calculation and prediction of mine water inflow in the Qinghai-Tibet plateau cryolithozone.
引文
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[19] 贾小龙,赵洪菊,王军,等.青海纳日贡玛矿区冻土区水文地质特征及充水因素分析[J].西部探矿工程,2010,22(12):152-154.
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[22] MCDONALD M G,HARBAUGH A W.The history of MODFLOW[J].Ground Water,2010,41(2):280-283.
[23] 赵雪梅.浅谈大气降水对地下水的补给[J].地下水,2011,33(2):9-10.
[24] 周月明,王家彬.高原环境下娘姆特矿充水条件分析及首采区涌水量预测[J].煤炭技术,2016,35(3):145-147.
[25] 钱学溥,雷小乔,许超,等.矿坑涌水量的计算及其精度级别和可信度[J].中国煤炭地质,2016,28(5):39-41.
[2] 田成成,李成英,张磊,等.大场金矿区水文地质特征及矿坑涌水量预测[J].西部探矿工程,2012,24(11):177-180.
[3] 连会青,夏向学,徐斌,等.矿井涌水量预测方法及适用性评价[J].华北科技学院学报,2014,11(2):22-27.
[4] 宋春辉,杨云龙,郭继锋.浅析矿井水涌水量预测的几种常见方法[J].科技情报开发与经济,2009,19(10):177-178.
[5] 张帅伟,张清锋,徐志军,等.解析法预测寒武系灰岩含水层涌水量[J].科技传播,2012(12):157-158.
[6] 马秀媛,李逸凡,张立,等.数值方法在矿井涌水量预测中的应用[J].山东大学学报(工学版),2011,41(5):86-91.
[7] 董兴文.矿井最大涌水量计算与参数确定-试论岩溶管流矿井水均衡预测方法[J].工程勘察,1995(4):24-28.
[8] 吴翠娟.基于神经网络的矿井涌水量预测研究[J].中国煤炭,2009,35(10):105-108.
[9] 温文富,曹丽文.比拟法和解析法在某矿井涌水量预测中的分析比较[J].中国煤炭,2011,37(7):38-40.
[10] 钟金先.巴朗山隧道涌突水灾害危险性研究[D].成都:成都理工大学,2010.
[11] 祝晓彬.地下水模拟系统(GMS)软件[J].水文地质工程地质,2003(5):53-55.
[12] 李士锦,段晓平,李晖.Felow在矿井涌水量预测模拟中的应用[J].能源技术与管理,2017,42(6):203-204.
[13] 崔原萍,张宝平.解析法在矿井涌水量预测中的应用及评价[J].地下水,2016,38(5):8-9.
[14] 程继雄,程胜高,张炜.地下水质量评价常用方法的对比分析[J].安全与环境工程,2008(2):23-25.
[15] ANONYMOUS.Recommendations for the treatment of water inflows and outflows in operated underground structures[J].Tunnelling & Underground Space Technology Incorporating Trenchless Technology Research,1989,4(3):343-407.
[16] ODA M.An equivalent continuum model for coupled stress and fluid flow analysis in jointed rock masses[J].Water Resources Research,1986,22(13):1845-1856.
[17] HEUER R E.Estimating rock tunnel water inflow[C]//Proceedings Rapid Excavation and Tunneling Conference.California:[s.n]:1995:41-60.
[18] 熊冰,张昆宏,李军红.青海省加给陇洼金矿床地质特征及成因探讨[J].吉林地质,2012,31(2):25-27.
[19] 贾小龙,赵洪菊,王军,等.青海纳日贡玛矿区冻土区水文地质特征及充水因素分析[J].西部探矿工程,2010,22(12):152-154.
[20] 孔逊,龙庆.哈西亚图多金属矿区矿坑涌水量预测[J].现代矿业,2015,31(1):122-123.
[21] Waterloo Hydrogeologic Inc.User′s Manual of Visual Modflow V.2015.1[M].Canada:180 columbia Street West-Unit 1104,2015:1-3.
[22] MCDONALD M G,HARBAUGH A W.The history of MODFLOW[J].Ground Water,2010,41(2):280-283.
[23] 赵雪梅.浅谈大气降水对地下水的补给[J].地下水,2011,33(2):9-10.
[24] 周月明,王家彬.高原环境下娘姆特矿充水条件分析及首采区涌水量预测[J].煤炭技术,2016,35(3):145-147.
[25] 钱学溥,雷小乔,许超,等.矿坑涌水量的计算及其精度级别和可信度[J].中国煤炭地质,2016,28(5):39-41.
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