胶东地区废弃金矿采空区改造含水层方法探讨——以文登市大时家废弃银金矿为例
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摘要
胶东地区金矿开采历史悠久,20世纪70—90年代产生了大量稳定性差的采空区。在采空区治理过程中,一般采取注浆法进行充填,以消除地面塌陷隐患。该文以文登市大时家废弃银金矿历史遗留采空区治理项目为例,针对治理区地下水资源贫乏的现状,首次选用中粗砂方案,采取干注法和水注法相结合的注砂方法进行充填,从而达到既消除采空塌陷地质灾害隐患,又形成新的蓄水空间的目的。
The gold mining in Jiaodong area has a long history.In the 1970 s and 1990 s,a large number of goafs with poor stability have been formed.In the process of the goaf treatment,the grouting method is generally used for the top filling to eliminate the hidden danger of the ground collapse.In this paper,setting the historical and abandoned goaf treatment project of the abandoned silver and gold mine in Wendeng city as an example,pointing to present condition of poor groundwater resources in the treatment area,the medium coarse sand scheme is selected for the first time,and the sand injection is carried out by using the combination of dry injection method and the water injection method.Thus,the purpose has been gained for eliminating the hidden dangers of geological disasters caused by goaf collapse and forming a new water storage space.
The gold mining in Jiaodong area has a long history.In the 1970 s and 1990 s,a large number of goafs with poor stability have been formed.In the process of the goaf treatment,the grouting method is generally used for the top filling to eliminate the hidden danger of the ground collapse.In this paper,setting the historical and abandoned goaf treatment project of the abandoned silver and gold mine in Wendeng city as an example,pointing to present condition of poor groundwater resources in the treatment area,the medium coarse sand scheme is selected for the first time,and the sand injection is carried out by using the combination of dry injection method and the water injection method.Thus,the purpose has been gained for eliminating the hidden dangers of geological disasters caused by goaf collapse and forming a new water storage space.
引文
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[9]杜贤军,刘春华.瞬变电磁法在煤矿断层导水性勘查中的应用[J].山东国土资源,2017,33(4):59-62.
[10]孟庆鲁,胡安顺.高密度电法在枣庄某建设场采空区注浆效果检测中的应用[J].山东国土资源,2017,33(11):62-65.
[2]王学聚.山东省地面塌陷地质灾害的综合研究[J].华北地震科学,1997(4):26-29.
[3]徐军祥,康凤新.山东省地下水资源可持续开发利用研究[M].北京:海洋出版社,2001:1-29.
[4]冯克印,刘善军,董强,等.山东省主要矿山排水与地下水系统影响研究[J].中国地质灾害与防治,2010,21(3):125-128.
[5]刘青勇,张保祥,董广清,等.山东省水资源可持续利用研究[J].山东农业大学学报(自然科学版),2005,36(4):577-580.
[6]张兴,王凌云.矿山地质环境保护与治理研究[J].中国矿业,2011,20(8):52-55.
[7]蒙永辉,许燕,王集宁,等.山东省矿山地质环境治理工作形势分析[J].山东国土资源,2016,32(9):26-29.
[8]王士党,梅西华,谢兴友,等.综合物探在寿阳煤矿水害探测中的应用[J].山东国土资源,2016,32(4):60-63.
[9]杜贤军,刘春华.瞬变电磁法在煤矿断层导水性勘查中的应用[J].山东国土资源,2017,33(4):59-62.
[10]孟庆鲁,胡安顺.高密度电法在枣庄某建设场采空区注浆效果检测中的应用[J].山东国土资源,2017,33(11):62-65.