矿山帷幕薄弱区综合分析方法研究

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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.

Key words： mining engineering prevention and control of water hazards weak zones of curtain comprehensive analysis method connection test grouting project

Received: 20 August 2012

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https://rockmech.whrsm.ac.cn/EN/Y2013/V32/I3/512

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