It is found that lateral deformation exists, which implies the condition of plane strain does not fulfill.
试验表明沿滚轮和轨道的侧向存在变形，不满足平面应变问题的条件。
2
Meanwhile, by temporal analysis method, the author calculates the relationship between T-type and L-type torsion and local deformation of plane irregular house structure arrangement.
同时用时程分析方法，计算分析了T型、L型平面非规则布置房屋结构的扭转和局部变形的关系。
3
The analysis of simulated result of the deformation of symmetrical plane proved that the simplified model is reasonable and feasible.