|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2009年10 期
| 标题 |
| 预应力空心板梁桥材料非线性性能研究(49 卷) |
| 英文标题 |
| Study on non-linear property of materials used in prestressed hollow slab girder |
| 摘要 |
| 在预应力空心板实桥破坏性试验的基础上，考虑材料非线性的影响，利用通用有限元软件ANSYS建立了预应力空心板桥梁有限元模型。计算分析了这类桥梁的挠度和应力变化规律，并与破坏性试验实测结果进行对比。结果表明，非线性计算结果与试验结果吻合较好，应用非线性有限元法能够 |
| 作者 |
| 新闻作者:王复明，赵正伟，康省桢，蔡迎春 |
| 关键字 |
