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（中鐵第四勘察設(shè)計(jì)院集團(tuán)有限公司，武漢 430063）
［摘要］結(jié)合武昌火車站站房大跨組合樓蓋結(jié)構(gòu)設(shè)計(jì)，介紹了大跨井字形鋼混凝土組合梁系樓蓋的主要設(shè)計(jì)思路，并介紹了大跨度樓蓋舒適度的計(jì)算方法和復(fù)雜節(jié)點(diǎn)的構(gòu)造措施。通過(guò)跨高比、用鋼量等技術(shù)經(jīng)濟(jì)指標(biāo)說(shuō)明大跨度井字形鋼-混凝土組合樓蓋具有顯著的技術(shù)經(jīng)濟(jì)效應(yīng)。工程實(shí)踐表明，這種大跨度組合樓蓋應(yīng)用前景廣闊。
［關(guān)鍵詞］武昌火車站；大跨井字形鋼-混凝土組合梁系樓蓋；技術(shù)經(jīng)濟(jì)指標(biāo)；舒適度
中圖分類號(hào)：TU398文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)03-0033-04
Design of a large-span steel-concrete composite beam floor system for Wuchang Railway Station
Du Jing(China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan 430063，China)
Abstract:The design concept, calculation method of comfort degree and constructional details of a large-span crosswise steel-concrete composite beam floor system were introduced through the case design of Wuchang Railway Station. The depth to span ratio of the beam and the steel weight per unit floor area indicate that the large-span crosswise steel-concrete composite beam floor system is quite technical and economical. This engineering application shows that the composite beam floor system has a promising future.
Keywords:Wuchang Railway Station; large-span crosswise steel-concrete composite beam floor system; technical and economical index; comfort degree
作者簡(jiǎn)介：杜晶，碩士，工程師，Email: zhangshen202@163.com。
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