张风亮¹，范  娜²，张晏文³，卜军华¹，刘西光¹，张锡成¹
    （1 西安建筑科技大学土木工程学院，西安710055；2 西安电子科技大学电子工程学院，西安710071；3烟台金建设计研究工程有限公司，烟台264000）

[摘要] 楼梯作为建筑物中人们的逃生之道，在大震来临时，起着举足轻重的作用。然而，2008年5月12日汶川大地震显示，许多楼梯成为了人们生命的终结者。主要通过对楼梯在地震中出现的几种破坏形态进行抗震分析，并对楼梯的设计提出自己的建议，防止楼梯震害的再次发生。
[关键词] 楼梯；抗震；设计

Anti-seismic analysis and designing analysis of the stairs
Zhang FengLiang¹,  Fan Na²,  Zhang YanWen³,  Bu JunHua¹, Liu XiGuang¹, Zhang XiCheng¹
(1 Institute of Civil Eng. of Xi'an Uni. ofArchitecture and Technology, Xi'an 710055, China; 2 Institute of Electronic Eng. of Xi Dian Uni., Xi'an 710071, China; 3 Yantai Jinjian Design&Research Eng. Co., Ltd., 264000 Yantai, China)

Abstract: As the people's escape-way in the building,stairs,play an important role when the earthquake comes. However, indicated by the wenchuan earthquake in May 12th 2008, many stairs became the terminator of people's lives. It is calculated the failure mode ofthe stairs in the earthquake and talked about anti-seisnuc analysis, proposed suggestions for stairs designing,which would prevent the damage of stairs again.
Keywords: stairs; anti-seismic; designing