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首页> 外文期刊>Journal of Earthquake Engineering >Modeling Techniques for the Seismic Assessment of the Existing Italian RC Frame Structures
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Modeling Techniques for the Seismic Assessment of the Existing Italian RC Frame Structures

机译：意大利现有RC框架结构抗震评估的建模技术

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摘要

A numerical modeling approach to capture the behavior of the various elements of older reinforced concrete (RC) frames in Italy is developed. It uses available experimental data to calibrate an approach that accounts for the strength and stiffness degradation of the members. The effects of smooth reinforcing bars on the hysteretic behavior and the overall flexural deformation capacity of members are considered. The means of accounting for strength and stiffness degradation in exterior beam-column joints is also studied and calibrated to the available experimental test data. The performance of the proposed modeling approach for older RC frames in Italy is then appraised by comparing the predictions with experimental results for two different three-story frame specimens tested both statically and pseudo-dynamically. The benefits of using the new modeling techniques for the existing RC frame structures instead of more traditional approaches is also highlighted.
机译：开发了一种数值建模方法来捕获意大利旧钢筋混凝土（RC）框架的各种元素的行为。它使用可用的实验数据来校准考虑构件强度和刚度下降的方法。考虑了光滑钢筋对构件的滞后行为和整体挠曲变形能力的影响。还研究了考虑外部梁-柱节点的强度和刚度下降的方法，并根据可用的实验测试数据进行了校准。然后，通过比较静态和拟动态测试的两个不同的三层框架标本的预测结果与实验结果，来评估所提出的意大利旧RC框架建模方法的性能。还强调了将新的建模技术用于现有RC框架结构而不是更传统的方法的好处。

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