|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2010年03 期
| 标题 |
| 桥塔参数变化对多塔斜拉桥整体刚度的影响(50 卷) |
| 英文标题 |
| Effect of bridge pylons parameters change on general rigidity of cable-stayed bridge with many pylons |
| 摘要 |
| 桥塔是控制多塔斜拉桥整体刚度的关键部分，结合某黄河公路斜拉桥用有限元软件SAP2000进行建模，计算分析了桥塔刚度及桥塔高度对多塔斜拉桥整体刚度的影响，得出桥塔刚度在一定范围内增加时对结构位移影响非常显著，并且得到桥塔高度变化对多塔斜拉桥影响的变化规律。 |
| 作者 |
| 新闻作者:林玉森，信丽华 |
| 关键字 |
