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（北京市建筑設(shè)計(jì)研究院，北京 100045）

［摘要］廣州新客站采用逆作法施工，首先施工屋頂鋼結(jié)構(gòu)，然后施工下部軌道梁和高架層，需要考慮下部結(jié)構(gòu)后施工對(duì)屋頂結(jié)構(gòu)的影響。建立了整體模型，按照實(shí)際逆作法方案進(jìn)行施工模擬計(jì)算，分析了各施工階段屋頂結(jié)構(gòu)受力狀態(tài)的變化。與一次加載模型和順作法施工模擬計(jì)算的結(jié)果進(jìn)行了對(duì)比，討論了逆作法施工方案對(duì)結(jié)構(gòu)設(shè)計(jì)的影響，為工程設(shè)計(jì)提供了依據(jù)。

［關(guān)鍵詞］廣州新客站；逆作法施工；施工模擬計(jì)算

Influences of reversed construction sequence on structural design of main building with \=overhead floor of New Guangzhou Railway Station

Xu Fujiang, Sheng Ping, Ke Changhua(Beijing Institute of Architectural Design, Beijing 100045, China)

Abstract:The New Guangzhou Railway Station is conducted in reversed order. The steel roof structures are conducted first, and then the rail beams and overhead floor. The influence on the lower structures to the roof structures should be considered. The integral models are built, and construction simulation is conducted, and then the changes of forces of the roof structure in every stage are analyzed. The results are compared with those of one-time loading simulation and normal order simulation. The influences of reversed construction sequence to structural design are discussed, and reliable suggestions are proposed to the project design.

Keywords:New Guangzhou Railway Station; construction in reversed order; construction simulation

作者簡(jiǎn)介：盛平，碩士，教授級(jí)高工，Email：Shengp@biad.com.cn。

參考文獻(xiàn)

［1］盛平，柯長(zhǎng)華，甄偉，等. 廣州新客站結(jié)構(gòu)總體設(shè)計(jì)［J］. 建筑結(jié)構(gòu),2009，39（12）.

［2］MIDAS技術(shù)手冊(cè)［M］. 北京邁達(dá)斯技術(shù)有限公司，2004.