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（北京市建筑設(shè)計研究院有限公司， 北京100045）
［摘要］選取五種樓板計算模型分析了樓板計算模型對結(jié)構(gòu)地震力分配和懸挑轉(zhuǎn)換桁架內(nèi)力的影響，計算了轉(zhuǎn)換層樓板的應(yīng)力狀態(tài)。分析表明，樓板采用剛性、彈性模型會顯著影響地震力在抗側(cè)力構(gòu)件中的分配。建議在懸挑轉(zhuǎn)換桁架的分析中樓板采用彈性板或彈性膜計算模型。懸挑轉(zhuǎn)換桁架中樓板受拉區(qū)域應(yīng)設(shè)置樓板配筋加強區(qū)。
［關(guān)鍵詞］轉(zhuǎn)換桁架； 懸挑桁架； 樓板計算模型； 配筋加強區(qū)
中圖分類號： TU375.5 文獻標(biāo)識碼： A文章編號： 1002-848X(2016)S1-0233-04
Effect of slab calculation model on mechanical behavior of cantilever transfer truss
Tang Shaoxue
（Beijing Institute of Architectural Design, Beijing 100045, China）
Abstract: Seismic force distribution was analyzed with five slab calculation models. Seismic reaction of cantilever transfer truss and stress of transferring floor were also calculated. The results show that seismic force distribution is badly influenced by rigid or flexible calculation modal of slabs. The flexible plate or flexible membrane calculation model is advised in the analysis of cantilever transfer truss. Reinforcement strengthen region is added in the area with tension stress.
Keywords: transfer truss； cantilever truss； slab calculation model； reinforcement strengthen region
作者簡介：唐紹雪，碩士，工程師，Email：mk-14132008@163.com。
