某矿第四系底部含水层降水井群优化布置
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摘要
基于目标函数法,以控制点水位为首要约束条件,以总排水量最少为目标函数,对某煤矿6311工作面上部第四系底部含水层疏放水井群降水进行优化设计。以该矿区的突水溃砂安全水头作为控制点水位,对优化设计方案进行计算。采用优化设计,在达到同样水位要求的前提下,可以使总排水量比采用承压转无压完整井公式计算结果减少20%。优化设计计算结果给出单井出水量,对井点位置的安排与单井出水设备的选择具有指导意义。
This paper presents an optimization of multi-well dewatering for the Quaternary bottom aquifer above the panel 6311 in a coal mine based on optimal objective function.The minimum drainage is selected as the target func-tion and groundwater levels at the controlling points as the primary constraint conditions.The calculated safety water head for preventing quicksand is selected as the water level of controlling points,and the optimal objective function is then used to optimize the design.The result indicates that the optimized drainage is reduced by 20% compared with the result calculated with the model of a fully penetrating well in a confined-unconfined aquifer,meeting the same requirement for groundwater levels.The result reveals the pump-output of every dewatering well,that will be helpful for choosing the position and equipment of the dewatering wells.
This paper presents an optimization of multi-well dewatering for the Quaternary bottom aquifer above the panel 6311 in a coal mine based on optimal objective function.The minimum drainage is selected as the target func-tion and groundwater levels at the controlling points as the primary constraint conditions.The calculated safety water head for preventing quicksand is selected as the water level of controlling points,and the optimal objective function is then used to optimize the design.The result indicates that the optimized drainage is reduced by 20% compared with the result calculated with the model of a fully penetrating well in a confined-unconfined aquifer,meeting the same requirement for groundwater levels.The result reveals the pump-output of every dewatering well,that will be helpful for choosing the position and equipment of the dewatering wells.
引文
[1]谭云亮,吴士良,尹增德.矿山压力与岩层控制[M].北京:煤炭工业出版社,2007:206-248.
[2]国家安全生产监管总局,国家煤矿安全监察局.煤矿防治水规定[S].北京:煤炭工业出版社,2009.
[3]隋旺华,蔡光桃,董青红.近松散层采煤覆岩采动裂缝水砂突涌临界水力坡度试验[J].岩石力学与工程学报,2007,26(10):2084-2091.
[4]汤爱平,董莹,谭周地,等.震动作用下矿井突水涌砂机理的研究[J].地震工程与工程震动,1999,19(2):132-135.
[5]杭远.煤矿顶板水砂灾害及防治对策[J].西部探矿工程,2006(1):279-280.
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[7]陈彦美,陈植华,王涛.福建省某铁矿岩溶水疏干试验方案优化设计[J].金属矿山,2008(4):27-30.
[8]芮平.煤矿复合含水层疏放水试验[J].煤矿开采,1996(4):10-14.
[9]居建国.大水量综放工作面疏放水技术实践[J].能源技术与管理,2009(4):65-92.
[10]刘志敏,徐云峰,许艳杰.基于目标函数法的基坑降水井群优化布置[J].建井技术,2006,27(2):37-40.
[11]徐岩,赵文,李慎刚.基于目标函数法的地铁隧道井群降水优化[J].水文地质与工程地质,2009(5):98-101.
[12]姬永红.深基坑工程中井点布置的优化设计[J].西部探矿工程,2004(7):1-4.
[13]薛禹群.地下水动力学[M].北京:地质出版社,2005:61-70.
[14]隋旺华,董青红,蔡光桃,等.采掘溃砂机理与预防[M].北京:地质出版社,2008:114-116.
[15]武汉地质学院.钻探工艺学(下册)[M].北京:地质出版社,1981:8-14.
[2]国家安全生产监管总局,国家煤矿安全监察局.煤矿防治水规定[S].北京:煤炭工业出版社,2009.
[3]隋旺华,蔡光桃,董青红.近松散层采煤覆岩采动裂缝水砂突涌临界水力坡度试验[J].岩石力学与工程学报,2007,26(10):2084-2091.
[4]汤爱平,董莹,谭周地,等.震动作用下矿井突水涌砂机理的研究[J].地震工程与工程震动,1999,19(2):132-135.
[5]杭远.煤矿顶板水砂灾害及防治对策[J].西部探矿工程,2006(1):279-280.
[6]张石开.厚含水松散层薄基岩开采涌水规律及预计[J].河北煤炭,1999(2):1-2.
[7]陈彦美,陈植华,王涛.福建省某铁矿岩溶水疏干试验方案优化设计[J].金属矿山,2008(4):27-30.
[8]芮平.煤矿复合含水层疏放水试验[J].煤矿开采,1996(4):10-14.
[9]居建国.大水量综放工作面疏放水技术实践[J].能源技术与管理,2009(4):65-92.
[10]刘志敏,徐云峰,许艳杰.基于目标函数法的基坑降水井群优化布置[J].建井技术,2006,27(2):37-40.
[11]徐岩,赵文,李慎刚.基于目标函数法的地铁隧道井群降水优化[J].水文地质与工程地质,2009(5):98-101.
[12]姬永红.深基坑工程中井点布置的优化设计[J].西部探矿工程,2004(7):1-4.
[13]薛禹群.地下水动力学[M].北京:地质出版社,2005:61-70.
[14]隋旺华,董青红,蔡光桃,等.采掘溃砂机理与预防[M].北京:地质出版社,2008:114-116.
[15]武汉地质学院.钻探工艺学(下册)[M].北京:地质出版社,1981:8-14.
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