|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011年10 期
| 標(biāo)題 |
| 連續(xù)梁橋上CRTSⅡ型板式無(wú)砟軌道伸縮附加作用計(jì)算分析(51 卷) |
| 英文標(biāo)題 |
| Study on calculating additional expansion and contraction of CRTS-Ⅱ slab-type ballastless track on continuous girder bridge |
| 摘要 |
| 為研究高速鐵路橋上CRTS Ⅱ型板式無(wú)砟軌道伸縮附加作用，建立了線—板—橋—墩一體化非線性有限元空間力學(xué)模型，以某多跨連續(xù)梁橋?yàn)榛竟c(diǎn)，計(jì)算了橋梁和軌道伸縮附加受力和變形規(guī)律，并分析了縱連底座板與橋梁間滑動(dòng)層摩擦系數(shù)，以及底座板剛度折減變化對(duì)連續(xù)梁橋上CRTS |
| 作者 |
| 新聞作者:代永波 |
| 關(guān)鍵字 |
