增加一些加固方面的规范，这些规范也是从各种渠道收集的。所有规范目前都是现行有效的

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论文简介： 汶川地震中，框架结构楼梯普遍发生了严重破坏。本文列举了一些典型的楼梯构件震害形式，通过数值方法分析了不同楼梯布置方式的抗震性能和破坏特点，并对钢筋混凝土框架结构楼梯构件布置形式的提出了设计建议。Abstract In Wenchuan Earthquake, stairs of frame structures were severely damaged. Some typical types of seismic damage are listed in this paper. The seismic property and damage feature of different kind of stair layout is analyzed by numerical method. Advices on design method of stair in frame structure are proposed.