摘要
井下煤仓服务年限较长,直径较大,一般布置在岩层中。采用先反掘、后爆破扩刷施工工艺不但可以改善施工环境,而且节约成本、缩短工期。
The underground coal bunker service life is longer, the diameter is bigger, generally is arranged in the rock stratum. The construction technology of the first anti excavation and second blasting expanding not only improves the construction environment, but also saves the cost and time limit.
出处
《山东煤炭科技》
2017年第6期37-38,共2页
Shandong Coal Science and Technology
关键词
煤仓
锚网喷
反井钻机
快速
coal bunker
bolting and shotcreting
raise boring machine
fast
