underground powerhouse excavation

基本解释

Ledge beam is important and difficult in underground powerhouse excavation.
岩壁梁是地下厂房开挖中的重点和难点。
The further excavation of underground powerhouse will affect the stress distribution of system bolts and rock mass near crane girder.
地下厂房的继续开挖对于吊车梁系统锚杆和周围岩体的应力分布有较大影响。
The control of blasting vibration in the excavation of underground powerhouse is the key factor influencing the construction safety of underground powerhouse.
在地下厂房开挖支护过程中，爆破震动控制直接影响到高边墙的稳定及岩锚梁结构安全。