青島北站主站房施工仿真計(jì)算分析
徐瑞龍1,堯金金1,陳新禮1,尤德清1,張相勇2,孟祥沖3,呂黃兵3,楊正軍3
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(1 北京市建筑工程研究院有限責(zé)任公司, 北京 100039;2 北京市建筑設(shè)計(jì)研究院有限公司,北京 100045;3 中建鋼構(gòu)有限公司北京分公司,北京 100089)[摘要]青島北站主站房為大跨預(yù)應(yīng)力鋼結(jié)構(gòu),結(jié)構(gòu)體系復(fù)雜。鋼結(jié)構(gòu)施工過(guò)程中存在結(jié)構(gòu)體系轉(zhuǎn)換,使得施工過(guò)程中的結(jié)構(gòu)受力都與原設(shè)計(jì)狀態(tài)存在區(qū)別。為保證結(jié)構(gòu)施工過(guò)程安全,需要進(jìn)行仿真分析,得到結(jié)構(gòu)的內(nèi)力、位移變化數(shù)值,用于指導(dǎo)施工。采用MIDAS進(jìn)行全過(guò)程施工仿真分析,驗(yàn)證了施工方案滿足設(shè)計(jì)要求,得到施工控制關(guān)鍵部位,為類似工程提供借鑒。[關(guān)鍵詞]施工仿真; 大跨度預(yù)應(yīng)力鋼結(jié)構(gòu); 卸載; 應(yīng)力中圖分類號(hào):TU394 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1002-848X(2013)23-0023-03Construction process simulation of Qingdao North Railway StationXu Ruilong1, Yao Jinjin1, Chen Xinli1, You Deqing1, Zhang Xiangyong2, Meng Xiangchong3, Lü Huangbing3, Yang Zhengjun3(1 Beijing Building Construction Research Institute Co., Ltd., Beijing 100039, China; 2 Beijing Institute of Architectural Design, Beijing 100045, China; 3 China Construction Steel Structure Co., Ltd., Beijing Branch, Beijing 100089, China)Abstract: The main station structure of Qingdao North railway station is a complex large-span prestressed steel structure. The structural system of the steel structure transforms during the construction process, in which the force on the structure is different from that in design. Simulation of construction process was necessary to ensure the safety of construction, in which the obtained internal force and displacement can guide the construction. With the application of MIDAS, simulation of construction process was conducted to verify the construction plan, obtain critical parts of construction control and provide reference for similar projects.Keywords: construction simulation; large-span prestressed steel structure; unloading; stress作者簡(jiǎn)介:徐瑞龍,高級(jí)工程師,Email:ruilongxu@163.com。參考文獻(xiàn)[1]李東方,王立長(zhǎng),曲鑫蕃. 大連國(guó)際會(huì)議中心施工模擬計(jì)算分析[J].建筑結(jié)構(gòu),2012,42(2):54-57.[2]秦杰,呂學(xué)正,付炎. 大跨度預(yù)應(yīng)力鋼結(jié)構(gòu)施工仿真軟件開(kāi)發(fā)[J].施工技術(shù),2009,38(3): 73-76.
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