介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中，克服地质条件复杂、多变的现状，采用撞楔超前支架法施工，硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中，克服地质条件复杂、多变的现状，采用撞楔超前支架法施工，硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
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