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金州石棉矿竖井的顺利下掘,说明在溶洞发育岩层中用注浆法凿井是可行的。文章通过大量的现场观测和数据分析总结了溶洞发育岩层中的注浆经验,分析了注浆效果,最后对溶洞发育区若干注浆问题的特点进行了讨论。
The smooth excavation of shaft in Jinzhou asbestos mine shows that it is feasible to use the grouting method to sink the well in the karst cave. Through lots of field observation and data analysis, the article summarizes the grouting experience in karst caverns and analyzes the grouting effect. Finally, the characteristics of some grouting problems in karst caverns are discussed.