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| 标题 |
| 900 t大型预制箱梁早期张拉抗裂性能研究(31 卷) |
| 英文标题 |
| Research on the Cracking Resistance Behavior of 900 t Large Scale Precast Box Girders during the Early Stage Tensioning |
| 摘要 |
| 运用数值方法和现场测试,研究900 t大型预制预应力混凝土双线简支箱梁在预、初张拉过程中的应力、变形状态及抗裂性能。采用通用有限元分析软件MIDAS/Civil,按弹性支撑计算模型,对预、初张拉阶段箱梁的应力和变形状态进行模拟计算,分析基础刚度、箱梁翼板有效宽度及混凝土弹 |
| 作者 |
| 新闻作者:卢文良1,李劲松2,张兰青2,杨 独3 |
| 关键字 |