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基于DIANA有限元软件的不同钢筋本构模型的对比分析

Comparative analysis of different reinforcement constitutive models based on DIANA finite element software
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摘要 针对现有钢筋本构关系模型在有限元软件模拟剪力墙拟静力往复加载试验中的应用,选取规范给出的常用双折线模型以及M-P本构模型,通过DIANA有限元软件进行建模,并与实际的剪力墙拟静力试验所得出的结果进行对比分析,分析结果显示:使用M-P本构的模型与试验结果吻合良好,证明M-P模型可以较好地模拟剪力墙在低周循环往复荷载下的滞回性能。为后续有限元软件模拟剪力墙受低周往复荷载提供了新的建模思路。 Aiming at the application of the existing steel constitutive model in the finite element software simulation of shear wall pseudo-reciprocal loading test, the M-P constitutive model and the common double-fold line model given by the code are selected and used in a concrete shear wall model by DIANA finite element software. And the results obtained from the actual shear wall pseudo-static test are compared and analyzed. The results show that the model using M-P constitutive is in good agreement with the experimental results, which proves that the M-P model can better simulate the shear wall in the low cyclic loading. Providing a new modeling idea for the finite element software simulation of the shear wall under low-cycle reciprocating loading.
作者 王岩 Wang Yan(College of Civil Engineering, Tongji University, Shanghai 200092, China)
出处 《山西建筑》 2019年第6期24-26,共3页 Shanxi Architecture
关键词 钢筋混凝土 钢筋本构 剪力墙 DIANA reinforced concrete reinforced constitutive shear wall DIANA
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