884aa四虎影成人精品,99久久国产综合精品女图图等你,97在线观看永久免费视频,久久精品国产精品亚洲38,ⅵdeodesetv性欧美

(北京市建筑設(shè)計(jì)研究院，100045)

［提要］北京2008年奧運(yùn)會(huì)國(guó)家體育館位于北京奧運(yùn)中心區(qū)，是奧運(yùn)中心區(qū)三大場(chǎng)館(國(guó)家體育場(chǎng)、國(guó)家游泳館和國(guó)家體育館)中由中國(guó)設(shè)計(jì)單位獨(dú)立完成的體育建筑。體育館分為比賽館和熱身館兩部分，比賽館區(qū)域屋頂跨度為114m×114m，采用了雙向張弦空間網(wǎng)格結(jié)構(gòu)，是目前世界上最大的雙向張弦結(jié)構(gòu)。主要介紹了體育館的結(jié)構(gòu)體系、設(shè)計(jì)標(biāo)準(zhǔn)、預(yù)應(yīng)力控制、鋼索更換以及防火計(jì)算等有關(guān)內(nèi)容，另外還簡(jiǎn)要介紹了與設(shè)計(jì)有關(guān)的施工過(guò)程計(jì)算和試驗(yàn)研究。

［關(guān)鍵詞］奧運(yùn)工程；體育館；雙向張弦結(jié)構(gòu)；預(yù)應(yīng)力；防火設(shè)計(jì)；累計(jì)滑移；模型試驗(yàn)

Structural Design of Roof of National Gymnasium for 2008 Beijing Olympics/Qin Yang,Zhu Zhongyi,Ke Changhua,Qin Kai,Wang Yi(Beijing Institute of Architectural Design,Beijing 100045,China)

Abstract: National Gymnasium for 2008 Beijing Olympics is located in the central area of Beijing Olympic Park. It ranks among the three major stadiums (the other two are National Stadium and National Swimming Center) but is the only one designed independently by domestic designer. The Gymnasium consists of two parts: competition hall and training hall. The competition hall has a 114m×114m roof composed of bi-directional truss string spatial grid structure, the largest one of its kind in the world. This paper focuses on the structural system, design standard, pre－stress control, cable replacement and fire-preventing calculation as well as other design-related construction process calculations and experimental researches.

Keywords: Gymnasiums; Olympic Games; bi-directional truss string structure; pre-stress; fire-preventing design; cumulative sliding; model test