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.

youdao

顺槽； 超前支护支架； 工作面； 应用； 研究；

Trough Advance support bracket face Applications Research;

youdao

其它的情况，需要及时支护，或者超前最后一个支架进行支护。

In others, close support, or support ahead of the last set, is required.

youdao