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首页> 外文期刊>Journal of Earthquake Engineering >Implementation and Calibration of Finite-Length Plastic Hinge Elements for Use in Seismic Structural Collapse Analysis
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Implementation and Calibration of Finite-Length Plastic Hinge Elements for Use in Seismic Structural Collapse Analysis

机译：有限长塑性铰链元件在地震结构倒塌分析中的实现与标定

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摘要

Finite-length plastic hinge (FLPH) models have shown advantages over the concentrated plasticity hinge (CPH) models. However, empirical phenomenological relationships, such as Modified Ibarra-Medina-Krawinkler (ModIMK) deterioration model, were mainly calibrated for use in CPH models. ModIMK relationships are versatile and have been applied to steel, reinforced concrete, and timber structures. Herein, a calibration procedure of FLPH models and a unified algorithm for use of ModIMK relationships in CPH and FLPH models are presented. Results from included examples validate the proposed algorithms, which were implemented in OpenSees. Additionally, results highlight that FPLH models avoid errors and convergence pitfalls of CPH models.
机译：有限长度的塑料铰链（FLPH）模型已显示出优于集中塑性铰链（CPH）模型的优势。但是，经验主义现象学关系（例如修改的Ibarra-Medina-Krawinkler（ModIMK）恶化模型）主要经过校准以用于CPH模型。 ModIMK关系是通用的，已应用于钢，钢筋混凝土和木材结构。在这里，提出了FLPH模型的校准程序以及在CPH和FLPH模型中使用ModIMK关系的统一算法。所包含示例的结果验证了所提出的算法，该算法已在OpenSees中实现。此外，结果强调了FPLH模型避免了CPH模型的错误和收敛缺陷。

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