Abstract:In the prevention and control of water hazards in mines,grouting curtain is widely used as a useful method to prevent water seepage. With the increases in mining depth and the service life of curtain,the capability of curtain to prevent water is reduced. Taking curtain repairing project of Zhangmatun iron mine for example,the hydrogeology analysis,dewatering test,transient electromagnetic exploration and connection test were carried out to find the weak zones of the curtain. A comprehensive analysis method to find the weak zones of the curtain was proposed. The range of grouting treatment was determined;and reasonable borehole design and grouting scheme were proposed,which bring in a good treatment effect. Practice shows that this method can provide certain reference for similar projects.
房佩贤,卫中鼎,廖资生. 专门水文地质学[M]. 北京:地质出版社,1987:45-47.(FANG Peixian,WEI Zhongding,LIAO Zisheng. Specialized hydrogeology[M]. Beijing:Geological Publishing House,1987:45-47.(in Chinese))
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