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竖向集中荷载作用下钢-混凝土组合梁的解析解

, PP. 39-44

Keywords: 桥梁工程,钢-混凝土组合梁,接触理论,抗弯性能,竖向集中荷载

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Abstract:

？为了准确分析钢-混凝土组合梁的抗弯性能,基于接触理论和弹性力学基本思想推导了钢-混凝土组合梁在竖向荷载作用下考虑剪切滑移效应的微分方程,给出了解析解。计算了竖向集中力作用下组合梁的各部分应变和位移状态,分析了钢梁和混凝土顶板交界面处的剪切滑移应变差,并与试验结果进行了对比。结果表明:计算值与试验值有较好的一致性,挠度相对误差不超过2%;该计算公式是合理的、可信的,为工程设计提供了一种简便的计算方法,具有较强的实用价值。

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