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    張風(fēng)亮¹，范  娜²，張晏文³，卜軍華¹，劉西光¹，張錫成¹
    （1 西安建筑科技大學(xué)土木工程學(xué)院，西安710055；2 西安電子科技大學(xué)電子工程學(xué)院，西安710071；3煙臺(tái)金建設(shè)計(jì)研究工程有限公司，煙臺(tái)264000）

[摘要] 樓梯作為建筑物中人們的逃生之道，在大震來(lái)臨時(shí)，起著舉足輕重的作用。然而，2008年5月12日汶川大地震顯示，許多樓梯成為了人們生命的終結(jié)者。主要通過(guò)對(duì)樓梯在地震中出現(xiàn)的幾種破壞形態(tài)進(jìn)行抗震分析，并對(duì)樓梯的設(shè)計(jì)提出自己的建議，防止樓梯震害的再次發(fā)生。
[關(guān)鍵詞] 樓梯；抗震；設(shè)計(jì)

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