|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
標(biāo)題 |
大跨度混凝土斜拉橋施工控制正裝和倒拆仿真分析(49 卷) |
英文標(biāo)題 |
Simulation analysis on process of assembling and dismantling of members under construction control for large-span concrete cable-stayed bridge |
摘要 |
以有限元理論為基礎(chǔ),結(jié)合斜拉橋施工控制理論,運(yùn)用軟件Midas/Civil模擬分析斜拉橋施工過(guò)程,分別采用正裝法和倒拆法計(jì)算分析馬桑溪大橋施工過(guò)程中結(jié)構(gòu)的受力特點(diǎn),重點(diǎn)探討兩種模擬方法對(duì)結(jié)構(gòu)變形及內(nèi)力的影響規(guī)律及原因。計(jì)算結(jié)果表明,由于施工過(guò)程中存在著體系轉(zhuǎn)換,正裝 |
作者 |
新聞作者:薛成鳳,白延芳,趙雷 |
關(guān)鍵字 |