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招贤煤矿副立井井筒采用双层井壁支护形式、冻结法施工,本文对冻结法中各参数的选择进行了详细的分析与计算,确保冻法结法施工的各项参数定位准确,并描述了冻结井壁其他辅助措施,使施工单位能更好地进行井筒施工组织设计,为招贤煤矿副立井安全按期到达底部起到了重要作用。
The shaft of coal mine vertical shaft is adopted double-wall support form and freezing method construction, the selection of each parameter in the freezing method is analyzed and calculated in detail in this paper, to ensure the accurate positioning of the parameters of the freezing method construction and to describe The other auxiliary measures to freeze the borehole wall so that the construction unit can better organize the wellbore construction design and play an important role in recruiting the safety of mine shaft to reach the bottom on schedule.