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2004年01 期
| 标题 |
| 高速铁路先、后张预应力混凝土简支箱梁力学效应对比分析(25 卷) |
| 英文标题 |
| Mechanics Effect Analysis of Pre-tensioned and Post-tensioned Pre-stressed Concrete Simply-supported Box Beams on High-speed Railway |
| 摘要 |
| 通过有限元分析技术，以24 m跨度先、后张梁为分析对象，使用SAP93静、动力通用分析软件建立8节点块体元力学模型，对先张混凝土箱梁进行应力、刚度、剪力滞后、畸变、翘曲、支座脱空效应、局部效应等力学性能分析，并重点与后张梁的力学性能进行对比。结果表明：先张梁与后张 |
| 作者 |
| 新闻作者:盛兴旺 王荣华 |
| 关键字 |
