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首页> 外文期刊>Bulletin of earthquake engineering >A Modified Cyclic Cracking Model for RC Structural Walls Behaviour Under Dynamic Excitation
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A Modified Cyclic Cracking Model for RC Structural Walls Behaviour Under Dynamic Excitation

机译:动态激励下钢筋混凝土结构墙性状的修正循环裂纹模型

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摘要

In this paper, a simple cyclic cracking model incorporating crack dilatancy effect is proposed to model the behaviour of reinforced concrete structures under earthquake-like dynamic loading. This model has been implemented into a FE programme [LUSAS (2004) Luscas User Manual (version 12.3), FEA Ltd., London, England] to simulate reversed and cyclic loading. A shaking table test performed in Switzerland at the Swiss Federal Institute of Technology at Zurich (ETHZ) has been chosen for comparison. The test performed on the shaking table simulated a wall of a 3-storey building. The natural frequency and the crack pattern have been calculated and show reasonable agreement with the experimental results.
机译:提出了一种结合裂纹扩展效应的简单循环裂纹模型,对钢筋混凝土结构在类似地震作用下的行为进行建模。该模型已实现为FE程序[LUSAS(2004)Luscas用户手册(版本12.3),FEA Ltd.,英国伦敦),以模拟反向载荷和循环载荷。选择在瑞士苏黎世联邦技术学院(ETHZ)进行的振动台测试作为比较。在振动台上进行的测试模拟了三层建筑物的墙壁。计算出固有频率和裂纹模式,并与实验结果合理吻合。

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