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Underground excavation in Xiaolangdi project in Yellow River
Xiaolangdi Multipurpose Dam Project, located at the outlet of the last gorge of Yellow River, consists of main dam, complicated tunnels system and power system. It is one of the most challenging projects in the world due to its special geographical locality and its large scale and complicated geological condition. The reservoir, with a capacity of 12.65 billion m3 at the elevation of 275 m, accounting 92.3 % of the Yellow River catchment basin. The paper summarises the excavation methodology, based on analysis of the characteristics of the surrounding rock mass, which has been involved in Xiaolangdi multipurpose dam project. Some special support and excavation methods, such as twin side drift and lattice girder, moderate blasting and double-layer mesh to collapsed tunnel and fault zone, are presented.
Underground excavation in Xiaolangdi project in Yellow River
Xiaolangdi Multipurpose Dam Project, located at the outlet of the last gorge of Yellow River, consists of main dam, complicated tunnels system and power system. It is one of the most challenging projects in the world due to its special geographical locality and its large scale and complicated geological condition. The reservoir, with a capacity of 12.65 billion m3 at the elevation of 275 m, accounting 92.3 % of the Yellow River catchment basin. The paper summarises the excavation methodology, based on analysis of the characteristics of the surrounding rock mass, which has been involved in Xiaolangdi multipurpose dam project. Some special support and excavation methods, such as twin side drift and lattice girder, moderate blasting and double-layer mesh to collapsed tunnel and fault zone, are presented.
Underground excavation in Xiaolangdi project in Yellow River
Untergrundauffahrungen im Xiaolangdi-Projekt am Gelben Fluß
Xu, Guogang (author) / Ma, Guoyan (author) / Li, Qingbo (author) / Cui, Zhifang (author)
Engineering Geology ; 76 ; 129-139
2005
11 Seiten, 9 Bilder, 4 Tabellen, 1 Quelle
Article (Journal)
English
Bergbau , Tunnel , Tunnelbau , Felsbau , Felsmechanik , Staudamm , China , Gestein , Bruch (Material)
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