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贵州开磷集团沙坝土矿矿山的主要岩体为红页岩,遇水易弱化崩解。针对红页岩的工程特性,运用壁后注浆固结技术成功地解决了主水仓长期稳定和防治水的难题。介绍了该矿主水仓壁后注浆的施工方案、工艺及注浆效果的检验。
Guizhou Kai Phosphorus Group Shaba soil mine is the main rock for the red shale, water vulnerable to collapse. According to the engineering characteristics of red shale, the application of back wall grouting consolidation technology has successfully solved the problem of long-term stability and prevention and control of water in the main watercourse. The construction scheme, process and grouting effect of the main water silo in the mine are introduced.