摘要
以蒲掌隧道为依托工程,介绍了高速公路隧道洞身开挖的施工方案,光面爆破的炮眼布置、炸药用量、炮眼数量及其它施工工艺参数的确定,并根据依托工程的实施效果总结出洞身开挖的注意事项.
The hole body of the highway tunnel excavation construction, the blast-hole layout of smooth blasting, explosives usage, the embrasure number and construction of process parameters were introduced according to Pozhang tunnel project. The matters needing attention for hole body excavation was summed up based on the im- prementation results of Pozhang tunnel poject.
出处
《兰州工业高等专科学校学报》
2012年第4期38-40,共3页
Journal of Lanzhou Higher Polytechnical College
关键词
公路隧道
洞身开挖
台阶法开挖
光面爆破
highway tunnel
hole body excavation
step method excavation
smooth blasting.
