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標題 |
提高超窄橋面加勁梁懸索橋顫振穩(wěn)定的措施研究(50 卷) |
英文標題 |
Study on flutter stability measures for suspension bridge by raising super-narrow deck stiffened beams |
摘要 |
以劉家峽大橋為例,研究超窄橋面桁式加勁梁懸索橋顫振穩(wěn)定問題,劉家峽大橋橋面寬度在國內(nèi)同規(guī)模橋梁中最窄,主纜重力剛度低,抗風問題較為突出。通過引入換算用鋼量經(jīng)濟性指標,套用平板顫振臨界風速的簡化計算公式,進行結(jié)構措施理論研究,并借助風洞試驗手段研究提高臨界 |
作者 |
新聞作者:尹建芳 |
關鍵字 |