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（1 上海工程勘察設(shè)計(jì)有限公司，上海 200042；2 天津大學(xué)建筑工程學(xué)院， 天津 300072； 3 貴州大學(xué)空間結(jié)構(gòu)中心，貴陽(yáng) 550003）

［摘要］鋼筋混凝土空腹夾層板是基于多層大跨度樓蓋需要產(chǎn)生的新型結(jié)構(gòu)體系，該結(jié)構(gòu)體系是由上下肋和其間設(shè)置的剪力鍵組成的、考慮剪切變形的空間樓蓋。濰坊體育運(yùn)動(dòng)學(xué)校排球訓(xùn)練館樓蓋采用大跨度鋼筋混凝土空腹夾層板樓蓋結(jié)構(gòu)體系。通過分析結(jié)構(gòu)的實(shí)際受力狀態(tài)，采用實(shí)用計(jì)算方法對(duì)關(guān)鍵構(gòu)件和節(jié)點(diǎn)的計(jì)算與構(gòu)造進(jìn)行了介紹。建立有限元模型分析空腹夾層板樓蓋結(jié)構(gòu)的自振特性，分析了步行和跳躍激勵(lì)作用下樓蓋結(jié)構(gòu)的振動(dòng)加速度響應(yīng)和加速度自功率譜，舒適度滿足規(guī)范要求。結(jié)構(gòu)受力和抗震性能滿足要求，結(jié)構(gòu)安全可靠、使用舒適，并具有較好的經(jīng)濟(jì)性。

［關(guān)鍵詞］空腹夾層板樓蓋； 大跨度； 結(jié)構(gòu)分析與設(shè)計(jì)； 舒適度

中圖分類號(hào)：TU375文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2018)04-0001-06

Analysis and design of large-span concrete open-web sandwich slab floor

Wu Duodong1, Luan Huanqiang2, Ma Kejian2,3

(1 Shanghai Architectural and Engineering Consultants Co., Ltd., Shanghai 200042， China; 2 Department of Civil Engineering, Tianjin University, Tianjin 300072， China; 3 Space Structure Research Center, Guizhou University, Guiyang 550003， China)

Abstract:Reinforced concrete open-web sandwich slab  is a new structural system based on the needs of multilayer large-span floor.This type of space grid structure in which the shearing deformation needs to be considered, is composed of top and bottom chords which are connected by shearing keys.Large-span reinforced concrete open-web sandwich slab structural system was adopted in the roof of volleyball venue of Weifang Sports School. Through the analysis of the actual stress state of the structure, the calculation and construction of key components and nodes were introduced by practical calculation method. Natural vibration characteristics of open-web sandwich slab floor structure were analyzed by using  finite element analysis model. The vibration acceleration response and acceleration self-power spectrum of the floor structure under walking and jumping excitations were analyzed, and the comfortableness meets the requirements of the code. Structural stress and seismic performance meets the requirements, and the structure is safe, reliable and comfortable for use, and it has good economy.

Keywords:open-web sandwich slab floor; large span; structural analysis and design; comfortableness

作者簡(jiǎn)介：吳多東，本科，工程師，Email:donar0807@sina.com。