Zhou Yan-guo
Abstract
It is discussed about the basic geological conditions and stability factors of wall rock of an underground powerhouse.The authors analyzed influence of excavation,blasting,supporting on the stability of wall rock by New Austrian Tunnelling Method,then evaluated the stability of wall rock.
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It is discussed about the basic geological conditions and stability factors of wall rock of an underground powerhouse.The authors analyzed influence of excavation,blasting,supporting on the stability of wall rock by New Austrian Tunnelling Method,then evaluated the stability of wall rock.
Key concepts: Rock blasting, Wall rock, Excavation, Geotechnical engineering, Hydropower, Geology, Mining engineering, Stability (learning theory)