Variational Problem of Unloading Fractured Rock Mass
This article mainly introduced variational problem about stress-strain relationship of unloading fractured rock mass in the excavation. In this paper, research is carried out on variational principle of unloading fractured rock mass in the stage of linear elasticity.
Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu
L. Yu et al., "Variational Problem of Unloading Fractured Rock Mass", Advanced Materials Research, Vols. 291-294, pp. 1190-1194, 2011