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首页> 外文会议>2011 International Conference on Electric Technology and Civil Engineering >Pushover analysis of a reinforced concrete shear wall based on multi-layer shell element
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Pushover analysis of a reinforced concrete shear wall based on multi-layer shell element

机译：基于多层壳单元的钢筋混凝土剪力墙Pushover分析

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摘要

To study the mechanical properties of reinforced concrete shear wall structures under rare earthquakes, pushover analysis of a single reinforced concrete shear wall (12.8 m tall) is presented in this paper, which is simulated by nonlinear multi-layer shell element. First of all, it is verified that multi-layer shell element is effective for nonlinear simulation of reinforced concrete shear wall. Subsequently, pushover analysis is presented by inverted triangle lateral load pattern and uniform acceleration lateral load pattern. The relationship between base shear and top displacement of shear wall is obtained for two lateral load patterns. Performance points are calculated by means of ATC-40 capacity spectrum method and FEMA-440 equivalent linearization method respectively. It may be concluded that, nonlinear multi-layer shell element is effective for nonlinear simulation of reinforced concrete shear wall; for same top displacement, the base shear of uniform acceleration lateral load pattern is larger than that of inverted triangle lateral load pattern; for shear wall structure, the performance points calculated by means of ATC-40 capacity spectrum method and FEMA-440 equivalent linearization method are similar.
机译：为了研究钢筋混凝土剪力墙结构在罕见地震下的力学性能，本文对单层钢筋混凝土剪力墙（12.8 m）进行了推覆分析，并通过非线性多层壳单元对其进行了模拟。首先，验证了多层壳单元对于钢筋混凝土剪力墙的非线性模拟是有效的。随后，通过倒三角形的横向载荷模式和均匀的加速度横向载荷模式来进行推覆分析。对于两个侧向荷载模式，获得了基础剪力与剪力墙顶部位移之间的关系。分别通过ATC-40容量谱方法和FEMA-440等效线性化方法计算性能点。可以得出结论，非线性多层壳单元对于钢筋混凝土剪力墙的非线性模拟是有效的。在相同的顶部位移情况下，均匀加速度横向载荷模式的基础剪力大于倒三角形横向载荷模式的基础剪力。对于剪力墙结构，通过ATC-40容量谱法和FEMA-440等效线性化法计算的性能点相似。

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