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（上海建筑設(shè)計(jì)研究院有限公司, 上海 200041）

［摘要］上海某醫(yī)院病房樓采用鋼框架鋼筋混凝土剪力墻結(jié)構(gòu)體系，樓蓋及屋蓋采用壓型鋼板與混凝土組合樓板。病房樓平面布置不規(guī)則，裙房上方縮進(jìn)，豎向剛度變化大、扭轉(zhuǎn)剛度較差，對(duì)抗震不利。經(jīng)過判斷，屬于超限高層建筑。結(jié)構(gòu)設(shè)計(jì)通過采用兩種不同力學(xué)模型的軟件，對(duì)結(jié)構(gòu)主要指標(biāo)進(jìn)行了對(duì)比計(jì)算，并同時(shí)補(bǔ)充彈性時(shí)程分析、樓板應(yīng)力分析以及罕遇地震作用下的靜力彈塑性分析，根據(jù)分析結(jié)果可知該病房樓的抗震設(shè)計(jì)符合我國(guó)抗震規(guī)范要求。

［關(guān)鍵詞］超限高層； 樓板應(yīng)力分析； 靜力彈塑性分析； 鋼框架鋼筋混凝土剪力墻結(jié)構(gòu)體系

中圖分類號(hào)： TU398+.9 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S2-0239-05

Seismic design of a hospital above basement in ShangHai

Li Gen

(Shanghai Institute of Architecture Design & Research Co., Ltd., Shanghai 200041, China)

Abstract: A ward building of a hospital in shanghai was designed by using steel frame-reinforced concrete shear wall structure system. Profiled steel sheet-concrete composite floors have been used in its floor diaphragm and roof. The ward building had the disadvantage seismic performance because of its irregular plane arrangement, the top of podiums bounded back, vertical stiffness variation and poor torsional stiffness. After the judgement, it belonged to the super high building. In the procedure of structure design, For comparing the primary results, two different mechanical model softwares have been applied. Elastic time-history analysis, floor stress analysis and pushover analysis of the structure under rare earthquake action have been supplemented. It turned out that the aseismic design of this ward building got a good agreement with the code in China.

Keywords: super high building; floor stress analysis; pushover analysis; steel frame-reinforced concrete shear wall structure system

作者簡(jiǎn)介： 李根，碩士，工程師，Email:ligen@isaarchitecture.com。