监测采动岩层地应力变化预测矿井出水情况
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摘要
为有效预测矿井出水状况,防止矿井突水事故的发生,采用天然电磁波法矿山采动岩层地应力变化监测系统对梧桐庄矿182101采煤工作面全程采煤过程中的地应力变化进行监测,结合区域地应力的变化作出了7次出水情况预测意见,结果显示在做出预报后的1~4 d时间内,出水量有明显的增加,持续很短时间后开始下降,并分析了出现这种现象的原因.该方法也可以对某些矿井地质灾害的发生提前作出预报,为煤矿制定合理有效的突水治理方案提供依据.
In order to forecast the status of gushing water and avoid the occurrence of the water inrush,the natural electromagnetic wave mine induced terrestrial stress monitoring system were applied to monitor the dynamically changes of terrestrial stress of the strata around the coal-bed working face in the 182101 coal face at Wutongzhuang mine.Combined with the monitoring of the change of the area terrestrial stress,seven predictions ideas were got on the water gushing.The results show that the outlet water increased during the 1~4 days after the prediction was generated,and then decreased quickly.The reason of this phenomenon was analyzed.This method can also be used to forecast the occurrence of some other mine geological disasters and provide the base for establishing efficient treatment method of the water inrush.
In order to forecast the status of gushing water and avoid the occurrence of the water inrush,the natural electromagnetic wave mine induced terrestrial stress monitoring system were applied to monitor the dynamically changes of terrestrial stress of the strata around the coal-bed working face in the 182101 coal face at Wutongzhuang mine.Combined with the monitoring of the change of the area terrestrial stress,seven predictions ideas were got on the water gushing.The results show that the outlet water increased during the 1~4 days after the prediction was generated,and then decreased quickly.The reason of this phenomenon was analyzed.This method can also be used to forecast the occurrence of some other mine geological disasters and provide the base for establishing efficient treatment method of the water inrush.
引文
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[2]李玉寿,王衍森,赵海云.煤巷围岩地应力测量及岩芯断裂形态分析[J].矿山压力与顶板管理,1998,15(2):78-80.LI Yu-shou,WANG Yan-sen,ZHAO Hai-yun.Mo-nitoring of ground pressure of rock surrounding a coalroadway,Suncun Colliery and analysis of breakagefeatures of the related drill core[J].Ground Pressureand Strata Control,1998,15(2):78-80.
[3]张光建.地应力及其对巷道稳定性的影响分析[J].矿山压力与顶板管理,2003,20(1):6-9.ZHANG Guang-jian.The crustal stress and its influ-ence to stability of the laneway[J].Ground Pressureand Strata Control,2003,20(1):6-9.
[4]王文祥,唐方头,汤寒松,等.SYT型物性探测仪探测精度浅析[J].煤炭科学技术,1998,(10):47-50.WANG Wen-xiang,TANG Fang-tou,TANG Han-song,et al.A brief Analysis for the detection accura-cy of the SYT physical property detector[J].CoalScience and Technology,1998,(10):47-50.
[5]王文祥,杨武洋.天然电磁波法勘探研究的新进展[J].煤炭科学技术,2005,33(1):18-19.WANG Wen-xiang,YANG Wu-yang.New develop-ment on exploration research of natural electric mag-netic wave method[J].Coal Science and Technology,2005,33(1):18-19.
[6]王文祥,杨武洋.瞬论与天然电磁波法勘探[M].西安:陕西人民出版社,2002:73.
[7]郝锦绮,钱书清,高金田,等.岩石破裂过程中的超低频电磁异常[J].地震学报,2003,25(1):102-110.HAO Jin-qi,QIAN Shu-qing,Gao Jin-tian,et al.ULF electric and magnetic anomalies accompanyingthe cracking of rock sample[J].Acta SeismologicaSinica,2003,25(1):102-110.
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