The retaining wall for remaining stability of slope are all designed as planestrainproblem in elastic theory.
维护边坡稳定的挡土墙设计，都是按弹性力学平面应变问题分析的。
2
Wave propagation properties for P-SV wave in a free-fixed infinite plate in the state of planestrainproblem were investigated.
针对平面应变弹性波动问题，研究了自由-固定边界无限大弹性板中P - SV波的传播特性。
3
With this method, the transversal stresses are solved as a planestrainproblem, and consequently the longitudinal stresses are calculated with an analytic formula.