In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
2
Based on the analysis of tunnel convergence in Xieyi coal mine, HuainanMine Bureau, the rock mass of coal mine is considered to be a discontinuous in-homogeneous linear viscoelastic medium.
根据对淮南矿务局谢一矿巷道移近量观测资料的分析，将煤矿岩体视为不连续非均质线性粘弹性介质。
3
Wave motion response of tunnel lining embedded in unbounded nonuniform soil medium is studied.