深圳北站站房下部結(jié)構(gòu)計(jì)算分析與設(shè)計(jì)*
孟美莉，吳兵，傅學(xué)怡，馮葉文，邵建偉，劉云浪
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(深圳大學(xué)建筑設(shè)計(jì)研究院, 深圳 518060)
［摘要］深圳北站站房由下部結(jié)構(gòu)和上部屋蓋鋼結(jié)構(gòu)組成，其中站房下部結(jié)構(gòu)采用由圓鋼管混凝土柱與工字形焊接鋼梁上覆現(xiàn)澆鋼筋混凝土板組合樓蓋構(gòu)成的框架結(jié)構(gòu)體系。地鐵5號(hào)線、平南鐵路和市政道路從站房下方穿越，同時(shí)站房下部結(jié)構(gòu)不僅支承著上部屋蓋鋼結(jié)構(gòu)，也兼做高架城市輕軌4，6號(hào)線的支承結(jié)構(gòu)，非常復(fù)雜。結(jié)合工程項(xiàng)目背景，全面介紹了站房下部結(jié)構(gòu)設(shè)計(jì)要點(diǎn)，包括基礎(chǔ)設(shè)計(jì)、城市輕軌支承結(jié)構(gòu)設(shè)計(jì)、大跨樓蓋舒適度計(jì)算控制、組合鋼梁屈曲穩(wěn)定計(jì)算分析、蜂窩梁結(jié)構(gòu)設(shè)計(jì)等。［關(guān)鍵詞］樞紐車站; 高架城市輕軌; 樓蓋舒適度; 屈曲穩(wěn)定; 蜂窩梁中圖分類號(hào)：TU318，TU375 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)14-0046-06
Structural analysis and design for substructure of Shenzhen North Railway StationMeng Meili, Wu Bing, Fu Xueyi, Feng Yewen, Shao Jianwei, Liu Yunlang(The Institute of Architecture Design & Research, Shenzhen University, Shenzhen 518060, China)Abstract: Shenzhen North Railway Station consists of the substructure and steel roof superstructure. The substructure adopts structural system of circular concrete-filled tubular column, I-shaped steel beam and cast-in-place reinforced concrete composite floor. Urban subway Line 5, Pinnan Railway and urban roads go through the bottom space of the station. The complex substructure is the support of the steel roof superstructure as well as the elevated light rail train Line 4 and Line 6. Based on the project background, the key technical issues in the substructure design were introduced, such as foundation design, support structural system design of the elevated light rail train, control of the long-span floor comfort, buckling stability analysis of composite steel beam and castellated beams design.Keywords: hub station; elevated-light rail train; floor comfort; buckling stability; castellated beam
*國(guó)家自然科學(xué)基金(90715012)。作者簡(jiǎn)介：孟美莉，學(xué)士，教授級(jí)高級(jí)工程師，副總工程師，Email: 0755mml@163.com。
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