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    郭天焓，  張  猛，  朱炳寅
    （中國(guó)建筑設(shè)計(jì)研究院，北京100044）

[摘要] 以西山創(chuàng)意產(chǎn)業(yè)基地AF區(qū)單體建筑F2-1工程為例，分析了鋼桁架結(jié)構(gòu)的自振特性及其在多工況組合下結(jié)構(gòu)受力、變形情況，了解了其應(yīng)用于大懸臂結(jié)構(gòu)中的優(yōu)勢(shì)，并介紹了有關(guān)桁架節(jié)點(diǎn)的處理方法。
[關(guān)鍵詞] 鋼桁架；懸臂結(jié)構(gòu)；節(jié)點(diǎn)設(shè)計(jì)；阻尼比
中圖分類(lèi)號(hào)：TU391.3    文獻(xiàn)標(biāo)識(shí)碼：A  文章編號(hào)：1002-848X(2011) S2-0232-05

    Application of steel truss in a cantilever structure
    Guo Tianhan, Zhang Meng, Zhu Bingyin
    ( China Architecture Design ＆Research Group, Beijing 100044, China)

Abstract: Project of the single building F2-1 which is located in the Xishan AF-area was introduced, the dynanuc characteristics were analyzed, and the main internal force and displacement response of the structure based on multiple load combination were discussed. The advantage was understood when the steel truss is applied in a cantilever structure, and the design of the joint for the steel truss was introduced.
Keywords: steel truss; cantilever structure; joint design; damping ratio