underground powerhouse excavation

基本解释

Ledge beam is important and difficult in underground powerhouse excavation.
巖壁梁是地下廠房開挖中的重點和難點。
The further excavation of underground powerhouse will affect the stress distribution of system bolts and rock mass near crane girder.
地下廠房的繼續開挖對於吊車梁系統錨杆和周圍巖躰的應力分佈有較大影響。
The control of blasting vibration in the excavation of underground powerhouse is the key factor influencing the construction safety of underground powerhouse.
在地下廠房開挖支護過程中，爆破震動控制直接影響到高邊牆的穩定及巖錨梁結搆安全。