贛州贛江公路大橋結(jié)構(gòu)設(shè)計(jì)與分析
馮向宇,勵(lì)曉峰,李映
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(同濟(jì)大學(xué)建筑設(shè)計(jì)研究院,上海 200092)[摘要]贛州贛江公路大橋是位于贛州市著名景點(diǎn)八鏡臺(tái)北側(cè)約3km的一座重要橋梁,主橋?yàn)榭鐝?08m的地錨式懸索橋,主纜垂度為45.3m,垂跨比為1/9,索鞍中心線之間的寬度為30.40m,主塔采用門(mén)框式造型,其中橋面以上部分塔高約65m。介紹了該橋的結(jié)構(gòu)特點(diǎn)及結(jié)構(gòu)設(shè)計(jì)、耐火性設(shè)計(jì)和抗震、防撞功能等受力特性。[關(guān)鍵詞]地錨懸索橋;設(shè)計(jì);結(jié)構(gòu)分析;公路橋Design and Analysis of Structure of Ganzhou Ganjiang Highway BridgeFeng Xiangyu,Li Xiaofeng,Li Ying(Architectural Design and Research Institute of Tongji University,Shanghai 200092,China)Abstract:Ganzhou Ganjiang Highway Bridge is located at 3km north of notable scenery area called Bajingtai,the bridge is a 408m span ground anchored suspension bridge with 45.3m sag and 1/9 sag ratio. Cable saddle center line distance is 30.40m one to another. Main tower adopts “door frame” style structure with around 65m upper part tower above bridge deck.The structural keypoint and force resistance characteristic of the bridge are introduced.Keywords:ground anchored suspension bridge; design; structural analysis; highway bridge參考文獻(xiàn)[1]嚴(yán)國(guó)敏,周世忠. 現(xiàn)代懸索橋[M]. 北京:人民交通出版社,2002.
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