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采用传统的加载力学方法和卸荷力学方法,利用数值计算对紫坪铺水利工程引水发电隧洞进口高边坡开挖后的应力-应变进行了研究。对比分析两种计算方式算得的边坡位移成果,揭示了岩体开挖边坡的卸荷变形及加固效应特性。
Using traditional methods of loading mechanics and unloading mechanics, the stress-strain of the excavation of the high side slope of the diversion tunnel of Zipingpu hydro project has been studied by numerical calculation. Comparing the results of slope displacement calculated by two kinds of calculation methods, the unloading deformation and reinforcement effect characteristics of rock excavation slope are revealed.