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近年来,由于使用了联合掘进机,改进了钻眼操作(采用钻爆方法掘进巷道时)和装岩设备,因而发展了煤炭工业的巷道掘进作业机械化。尽管巷道掘进设备在数量上有所增加,在质量上有所改善,但采准作业的劳动生产率仍未达到很高的技术经济指标。特别是在采用钻爆法时,开拓巷道和采准巷道的平均掘进度为65米/月,劳动效率为0.13～0.14米/班,手工劳动量超过掘进循环中总劳动量的80％。用联合掘进机掘进巷道时,这些指标有所好转,用这种方法掘进巷道的平均速度为160米/月,劳动效率0.23～0.24米/班。
In recent years, mechanization of roadway excavation operations in the coal industry has been developed due to the use of a joint boring machine, improved drilling operations (tunneling with a drilling and blasting method), and rock loading equipment. Although the number of roadway tunneling equipment has been increased and the quality has been improved, the labor productivity of the quasi-operation has not yet reached the high technical and economic indicators. Especially when drilling and blasting is adopted, the average excavation speed of roadway excavation and roadway excavation is 65m / month, and the labor efficiency is 0.13 ~ 0.14m / class, and the amount of manual labor exceeds 80% of the total amount of labor in the excavation cycle. These indicators have been improved when tunneling with a TBM. The average speed of tunneling with this method is 160m / month and the labor efficiency is 0.23 ~ 0.24m / shift.