Energy analysis of rock plug thickness in karst tunnels based on non-associated flow rule and nonlinear failure criterion - Yang, Zi-han; Zhang, Rui; Xu, Jing-shu; Yang, Xiao-li (Journal of Central South University, 2017)
Keywords: Caverns; Dilatancy; Energy dissipation; Engineering; Failure; Geological hazards; Geotechnical engineering; Karst; Limit analysis; Mathematical analysis; Metallic Materials; Tunnel construction; Water pressure; non-associated flow rule; karst tunnel; upper bound theorem; water inrush; nonlinear failure criterion; safe thickness of rock plug