Analytical model for concrete anchorages of reinforcing bars under generalized excitations

Analytical model for concrete anchorages of reinforcing bars under generalized excitations
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广义激励下钢筋混凝土锚固解析模型

DOI：
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发表时间：
1982
期刊：
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通讯作者：
E. P. Popov
E. P. Popov
中科院分区：
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文献类型：
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作者：
V. Ciampi;R. Eligehausen;V. Bertero;E. P. Popov

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本报告提出了一个分析模型，预测行为的单一变形钢筋嵌入确认混凝土和广义激励范围内的低周疲劳。该模型是基于一般的局部粘结应力-滑移关系，来自伯克利进行的广泛的研究的结果，以及一个双线性或一个简单的，但足够准确的非线性应力-应变关系的钢筋。本文提出了一种有效的数值格式，用于沿着埋长方向积分键的控制微分方程。
This report presents an analytical model for predicting the behavior of single deformed reinforcing bars embedded in confirmed concrete and subjected to generalized excitations in the range of low cycle fatigue. The model is based on a general local bond stress-slip relationship, derived from the results of an extensive study performed at Berkeley, and on either a bilinear or a simple but sufficiently accurate nonlinear stress-strain relationship for the reinforcing steel bar. An efficient numerical scheme for the integration of the governing differential equation of bond along the embedment length of the bar is presented.