摘要
家竹箐高瓦斯隧道在煤系地层采用深孔、电爆破开挖方法 ,未发生灾害事故 ,取得了良好的社会和经济效益 ;本文通过对开挖作业中爆破技术的选用 ,探讨了高瓦斯地层中修建隧道的安全措施。
The deep hole electric blast excavating method was adopted in coal bed of the Jiazhuqing high gas tunnel, no disaster accidents occurred and the excellent social and economic benefits had been obtained. Through the selection of blasting technique in the excavating works, the safety measures for constructing tunnel in high gas coal bed are explored in this paper.
出处
《铁道工程学报》
EI
2002年第2期38-41,37,共5页
Journal of Railway Engineering Society
