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Abstract: Stability assessment of an underground powerhouse cavern is a challenging issue, especially in the Himalayan region where rock mass is heavily influenced with active tectonic movement. This article is concerned with the stability assessment of a large underground opening inside the valley toe, where the rock cover varies between 45m (minimum) and 48m (maximum). The planned powerhouse cavern has...
Abstract: Stability assessment of an underground powerhouse cavern is a challenging issue, especially in the Himalayan region where rock mass is heavily influenced with active tectonic movement. This article is concerned with the stability assessment of a large underground opening inside the valley toe, where the rock cover varies between 45m (minimum) and 48m (maximum). The planned powerhouse cavern has...