历次地震的震害经验表明，建筑结构的平面规则性对结构的抗震性能有重要影响。
Previous experience in earthquake damage shows that the structural rule of plane has a major impact to seismic performance of structures.
针对医院建筑的刚度突变、结构不规则等特点进行了抗震弹性及弹塑性分析，并结合不同的结构类型探讨了楼梯对结构的影响。
Elastic and inelastic analyses were provided to discuss the stiffness sudden change and the irregularity. The influences of stair on structures were compared with different types of structures.
针对医院建筑的刚度突变、结构不规则等特点进行了抗震弹性及弹塑性分析，并结合不同的结构类型探讨了楼梯对结构的影响。
Elastic and inelastic analyses were provided to discuss the stiffness sudden change and the irregularity. The influences of stair on structures were compared with different types of structures.
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