平湖文化館結(jié)構(gòu)設(shè)計(jì)
劉若斐， 劉國(guó)民，秦從律
- 摘 要
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（浙江大學(xué)建筑設(shè)計(jì)研究院， 杭州 310028）［摘要］平湖文化館主樓前廳外挑16.8m，豎向承重體系不能連續(xù)，通過結(jié)構(gòu)方案對(duì)比，工程設(shè)計(jì)中根據(jù)建筑外形特點(diǎn)采用六榀鋼筋混凝土斜腹桿桁架，實(shí)現(xiàn)結(jié)構(gòu)受力與建筑外形要求的統(tǒng)一。運(yùn)用SATWE和MIDAS/GEN兩種不同有限元模型軟件進(jìn)行對(duì)比分析校核，保證大跨外挑桁架結(jié)構(gòu)的安全性與可靠性。觀眾廳屋面跨度25.2m，采用鋼-混凝土組合結(jié)構(gòu)，通過在支座處混凝土樓板設(shè)置施工后澆帶，釋放端部彎矩，避免出現(xiàn)支座裂縫。［關(guān)鍵詞］大跨外挑桁架; 組合樓蓋; 支座裂縫中圖分類號(hào)：TU398+.7 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)15-0080-03Structural design of Pinghu Cultural CentreLiu Ruofei, Liu Guomin, Qin Conglu(Architectural Design and Research Institute of Zhejiang University, Hangzhou 310028, China)Abstract: The antechamber of the main building in Pinghu Cultural Center overhangs 16.8m, the vertical bearing system is not transfixion. Through comparative study of different structural schemes, six reinforced concrete of oblique belly truss are used in this project based on the characteristic of architectural features, to realize the unification of structural performance and architectural configuration. Analysis and check are presented by comparing two different finite element models of SATWE and MIDAS/GEN, to ensure the security of the main structure. The roof span of auditorium is 25.2m and the steel-concrete composite structure is used. Using the setting of after pouring belt on concrete floor at the bearing, the moment at the end is released and the cracks at the bearing are avoided.Keywords: reinforced concrete; large span truss; composite floor; bearing crack作者簡(jiǎn)介：劉若斐，碩士，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：purplelrff@yeah.net。參考文獻(xiàn)［1］GB 50011—2010建筑抗震設(shè)計(jì)規(guī)范［S］.北京： 中國(guó)建筑工業(yè)出版社，2010.［2］GB 50010—2010混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范［S］.北京： 中國(guó)建筑工業(yè)出版社，2011.［3］北京邁達(dá)斯技術(shù)有限公司.MIDAS/GEN分析與設(shè)計(jì)原理［M］.2010.［4］李永強(qiáng)，劉亞坤，鄢鄰川.鋼筋混凝土桁架在大跨度工程中的應(yīng)用實(shí)踐［J］.平頂山工學(xué)院學(xué)報(bào),2006,15(5):58-61.［5］張明. 現(xiàn)澆混凝土懸挑桁架在舞臺(tái)項(xiàng)目中的應(yīng)用［J］. 山西建筑,2011,37(14):29-30.
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