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丁浩，沈建平

（浙江省建筑設(shè)計(jì)研究院，杭州 310006）

 

［摘要］杭州蕭山國際機(jī)場(chǎng)第二國內(nèi)航站樓（T3航站樓）是杭州機(jī)場(chǎng)從大型機(jī)場(chǎng)向區(qū)域性樞紐機(jī)場(chǎng)轉(zhuǎn)變的標(biāo)志。其屋面體型復(fù)雜，需通過風(fēng)洞試驗(yàn)確定其體型系數(shù)，并與規(guī)范中的類似結(jié)構(gòu)作出對(duì)比。屋蓋懸挑長度較大，指廊處網(wǎng)架屋蓋外沿距框架柱邊超過25m, 通過設(shè)置斜向搖擺柱減小其內(nèi)力和豎向位移，進(jìn)而減小網(wǎng)架厚度以滿足建筑外形。主樓處用三角形鋼管桁架、搖擺柱、側(cè)向剛架形成復(fù)雜空間整體組合結(jié)構(gòu)，控制住了鋼屋蓋在風(fēng)荷載作用下的側(cè)向位移。設(shè)計(jì)對(duì)由風(fēng)荷載產(chǎn)生的邊柱拔力做了綜合分析，采取了相關(guān)的構(gòu)造措施。結(jié)構(gòu)總體計(jì)算使用PMSAP程序，對(duì)構(gòu)件重要節(jié)點(diǎn)使用ANSYS程序進(jìn)行大樣分析。

［關(guān)鍵詞］風(fēng)洞試驗(yàn)；網(wǎng)架；鋼管桁架；搖擺柱；大樣分析

中圖分類號(hào)：TU 391-4文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)08-0023-04

 

Ding Hao, Shen Jianping

(Zhejiang Province Institute of Architectural Design and Research, Hangzhou 310006, China)

 

Abstract: The No.2 domestic terminal (T3 Terminal) of Hangzhou Xiaoshan International Airport is a symbol of the conversion from a large airport to a regional hub airport. The shape coefficient of complex roof was decided by the wind tunnel test which is different to the standard. The cantilever length from the space grid roof outer edge to the frame columns is larger than 25m, the sway columns are used to reduce the internal force and the vertical displacement of the space grid, and the thickness of the space grid is reduced to meet the architectural appearance. The triangle steel pipe trusses, the sway columns and the lateral rigid frames compose a complex combined space structure，which controls the lateral displacement of the steel roof acted by the wind. The design analyzed the uplift force under wind load of the side columns, and took the relevant construction measures.The software PMSAP was selected to carry on the overall structure analysis, and the software ANSYS to carry on the sample analysis of important node.

Keywords: wind tunnel test; space grid; steel pipe truss; sway column; sample analysis

作者簡介：丁浩，高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,Email:956267561@qq.com。

 

［1］GB 50009—2001 建筑結(jié)構(gòu)荷載規(guī)范［S］.2006年版. 北京：中國建筑工業(yè)出版社，2006.

［2］石碧青, 許平生, 王欽華, 等.杭州蕭山國際機(jī)場(chǎng)二期工程國內(nèi)航站樓風(fēng)洞試驗(yàn)報(bào)告［R］.廣東:汕頭大學(xué)風(fēng)洞實(shí)驗(yàn)室，2010.