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甜水堡二矿副斜井施工过程中遇到流沙层,井筒掘进和支护困难,通过采用注浆固化施工工艺,解决了施工中存在的问题,副斜井井筒顺利穿过流沙层,取得了预期的效果。
During the construction of the secondary inclined shaft of the No.2 Mine of Sweet Fort, it encountered difficulties in tunneling and supporting the wellbore. Through the grouting solidification construction process, the problems existing in the construction were solved. The well of the secondary inclined shaft smoothly crossed the quicksand layer and achieved Expected results.