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劉明國，  芮明倬，  李自強(qiáng)
(現(xiàn)代設(shè)計(jì)集團(tuán)華東建筑設(shè)計(jì)研究院有限公司，上海200002)

[提要] 懸掛樓梯造型輕巧、通透，能較好的滿足建筑室內(nèi)效果的要求，但其舒適度設(shè)計(jì)卻是結(jié)構(gòu)設(shè)計(jì)的一個(gè)難點(diǎn)。綜合國內(nèi)外有關(guān)規(guī)范的要求，以控制懸掛樓梯的水平向自振頻率不小于3Hz作為國家圖書館二期工程讀者大廳懸掛樓梯的舒適度設(shè)計(jì)標(biāo)準(zhǔn)，竣工驗(yàn)收后實(shí)際使用效果良好。
[關(guān)鍵詞] 懸掛樓梯；舒適度；自振頻率

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.