|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011年11 期
| 標題 |
| 大跨度尼爾森體系鋼箱提籃拱橋橋上無縫線路計算分析(51 卷) |
| 英文標題 |
| Calculation analysis of CWR (Continuous Welded Rail) on large span Nielsen system steel box girder basket-shaped arch bridge |
| 摘要 |
| 隨著我國高速鐵路客運專線及城市軌道交通的建設，出現(xiàn)了多種形式大跨度特殊橋型。尼爾森體系拱以其結構及受力變形的優(yōu)越性，得到越來越多的應用。運用梁軌相互作用基本原理，采用有限元方法，提出了尼爾森體系拱橋橋上無縫線路計算方法。以某城市軌道交通中尼爾森體系拱橋為 |
| 作者 |
| 新聞作者:徐井芒，劉丹，王平 |
| 關鍵字 |
