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（北京市建筑設(shè)計研究院有限公司， 北京 100045）
［摘要］項目底盤結(jié)構(gòu)和上部剪力墻結(jié)構(gòu)采用隔震層相連，形成高位轉(zhuǎn)換且上下剛度相差大的結(jié)構(gòu)體系。介紹層間隔震設(shè)計特點(diǎn)及采取的構(gòu)造和加強(qiáng)措施，并對底盤結(jié)構(gòu)進(jìn)行動力彈塑性分析，計算減震系數(shù)并驗算橡膠支座拉壓應(yīng)力及變形，研究底盤結(jié)構(gòu)在大震下的受力特點(diǎn)和抗震性能，結(jié)果表明，主體結(jié)構(gòu)能滿足各項設(shè)計性能指標(biāo)要求。
［關(guān)鍵詞］彈塑性; 減震系數(shù); 隔震設(shè)計; 橡膠支座
中圖分類號：TU318-2文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2016)17-0074-04
Seismic isolation design of A1 zone of joint inspection and repair database of Bei′an River Depot
Zhou Gang， Shu Weinong， Shi Yi， Sun Peng， Bu Longgui， Shen Kuifeng， Zhao Dongzhuo
(Beijing Institute of Architectural Design, Beijing 100045, China)
Abstract:The project chassis structure and the upper shear wall structure are connected by the isolation layer, which forms the structural system with high-level transfer and large stiffness difference between the upper and lower parts. The interlayer seismic isolation design features were introduced as well as details of seismic design and strengthening measures. Dynamic elastic-plastic analysis was carried out on the chassis structure. Damping coefficient was calculated and tension and compression stresses and deformation of rubber bearing were checked, in order to study mechanical characteristics and seismic performance of the chassis structure under rare earthquake. The results show that the main structure can meet the requirements of the design performance index.
Keywords:elastic-plastic; damping coefficient; seismic isolation design; rubber bearing
作者簡介：周鋼，本科，高級工程師，Email：592803349@qq.com。
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