Back Analysis and Stability Prediction of Surrounding Rock During Excavation of the Shuangjiangkou Underground Powerhouse
You Li,
Ming-Li Xiao,
Gan Feng
et al.
Abstract:The underground powerhouse of the Shuangjiangkou hydropower station is one of the largest caverns under construction in China, and its stability during construction is crucial for safe construction. To study the stability of the surrounding rock during excavation, the displacement and stress of the surrounding rock were monitored by multi-point displacement meters and bolt stress meters. Based on the monitoring data, the elastic modulus, Poisson’s ratio, friction angle, and cohesion of surrounding rock were in… Show more
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