刘明国，  芮明倬，  李自强
(现代设计集团华东建筑设计研究院有限公司，上海200002)

[提要] 悬挂楼梯造型轻巧、通透，能较好的满足建筑室内效果的要求，但其舒适度设计却是结构设计的一个难点。综合国内外有关规范的要求，以控制悬挂楼梯的水平向自振频率不小于3Hz作为国家图书馆二期工程读者大厅悬挂楼梯的舒适度设计标准，竣工验收后实际使用效果良好。
[关键词] 悬挂楼梯；舒适度；自振频率

Comfortable Degree Design of National Library PhaseⅡSuspended Stairs
Liu Mingguo, Rui Mingzhuo, Li Ziqiang
( East China Architectural Design & Research Institute Co. , LTD Xian Dai, Architectural Design Group, Shanghai 200002, China)

Abstract: Suspended stairs satisfied requirements of interior decoration ideally for its legerity and clarity, but comfortable degree design of suspended stairs was difficult. A principle which horizontal natural frequency should be bigger than 3Hz was complied according to different codes. It is proved that horizontal vibration is very small when suspended stairs was using.
Keywords: suspended stairs; comfortable degree; natural frequency.