某大型會(huì)展中心大跨度樓蓋結(jié)構(gòu)體系比選
周建龍，方義慶，包聯(lián)進(jìn)，江曉峰，孫戰(zhàn)金，李 燁，黃永強(qiáng)
- 摘 要
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（華東建筑設(shè)計(jì)研究院有限公司, 上海 200002）
[摘要]：介紹了國(guó)內(nèi)會(huì)展建筑樓蓋結(jié)構(gòu)體系應(yīng)用現(xiàn)狀，給出了該類展廳樓蓋經(jīng)濟(jì)板跨。結(jié)合國(guó)內(nèi)某大型會(huì)展中心樓蓋設(shè)計(jì)，綜合對(duì)比了鋼結(jié)構(gòu)桁架方案與預(yù)應(yīng)力混凝土梁方案各自優(yōu)缺點(diǎn)，預(yù)應(yīng)力混凝土梁方案在經(jīng)濟(jì)性方面具有較大優(yōu)勢(shì)。比較了不同次梁布置方案的材料利用效率和工程造價(jià)，結(jié)果表明大跨度、重荷載樓蓋體系采用一、二級(jí)次梁布置形式是合適的，具有良好的經(jīng)濟(jì)性和結(jié)構(gòu)冗余度。可供同類會(huì)展建筑或其他類大跨度、重荷載樓蓋設(shè)計(jì)參考。[關(guān)鍵詞]：樓蓋體系; 大跨度; 重荷載; 預(yù)應(yīng)力混凝土; 經(jīng)濟(jì)分析中圖分類號(hào)：TU318+.2 文獻(xiàn)標(biāo)識(shí)碼：Ａ 文章編號(hào)：1002-848X(2013)S1-0001-05作者簡(jiǎn)介：周建龍，教授級(jí)高工，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：jianlong_zhou@ecadi.com。Comparison and optimization of large-span floor for a Conference Exhibition CenterZhou Jianlong , Fang Yiqing, Bao Lianjin , Jiang Xiaofeng, Sun Zhanjin, Li Ye, Huang Yongqiang(East China Architectural Design & Research Institute Co. ,Ltd. , ShangHai 200002, China )Abstract: The present floor systems of domestic exhibition buildings were introduced and the economical slab span for domestic exhibition buildings was given. Based on the design of floor system for a large-scale exhibition center, the advantages and dis advantages between steel truss scheme and prestressed concrete beam floor scheme was compared，the results indicates that prestressed concrete beam floor scheme has more advantages in the economy. The comparison of materials efficiency and project cost for different arrangement was carried out, the results indicates that it is suitable to adopt the two- levers secondary floor beams with heavy large-span structure, which has good economics and structural redundancy. The large-span structure design with heavy load will be reference to similar structure.Keywords: floor system; long-span floor; heavy load; prestressed concrete; economical analysis
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