【摘 要】
：
在煤矿工程中,井筒的锁口工程是井下工程与地面工程的连接点。锁口工程由于工期紧、任务重、施工难度大、危险系数高,从建设单位、监理单位到施工单位无不对其高度重视。一、
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在煤矿工程中,井筒的锁口工程是井下工程与地面工程的连接点。锁口工程由于工期紧、任务重、施工难度大、危险系数高,从建设单位、监理单位到施工单位无不对其高度重视。一、施工前的准备1.施工的分班时间在锁口工程施工期间由于是24h不间断
In the coal mine project, the wellbore lock-mouth project is the connection point between the underground project and the ground engineering. Lock project due to the tight schedule, heavy tasks, construction of large, high risk factor, from the construction unit, supervision unit to the construction unit all attach great importance to it. First, the preparation before the construction 1. The construction of the sub-class time in the lock construction period is not interrupted 24h
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