摘要
本文以合福客专童游隧道为背景,介绍了隧道光爆参数的选择和影响因素,结合实践经验,给出了中硬岩隧道Ⅲ级围岩光面爆破的主要参数值。
Taking the Hefu passenger dedicated Tongyou tunnel as the background,this paper introduced the selection of tunnel light burst parameters and influencing factors,and gave the main parameter values of Ⅲ grade hard rock tunnel surrounding rock smooth blasting by combining with practical experience.
出处
《价值工程》
2012年第34期90-91,共2页
Value Engineering
关键词
光面爆破
周边眼间距
最小抵抗线
装药量
smooth blasting
the surrounding eye spacing
minimum line
loading dose
