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首页> 外文期刊>Journal of Earthquake Engineering >ADVANTAGES AND LIMITATIONS OF ADAPTIVE AND NON-ADAPTIVE FORCE-BASED PUSHOVER PROCEDURES
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ADVANTAGES AND LIMITATIONS OF ADAPTIVE AND NON-ADAPTIVE FORCE-BASED PUSHOVER PROCEDURES

机译：基于自适应和非自适应力的推销程序的优点和局限性

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摘要

The recent drive for use of performance-based methodologies in design and assessment of structures in seismic areas has significantly increased the demand for the development of reliable nonlinear inelastic static pushover analysis tools. As a result, the recent years have witnessed the introduction of the so-called adaptive pushover methods, which, unlike their conventional pushover counterparts, feature the ability to account for the effect that higher modes of vibration and progressive stiffness degradation might have on the distribution of seismic storey forces. In this paper, the accuracy of these force-based adaptive pushover methods in predicting the horizontal capacity of reinforced concrete buildings is explored, through comparison with results from a large number of nonlinear time-history dynamic analyses. It is concluded that, despite its apparent conceptual superiority, current force-based adaptive pushover features a relatively minor advantage over its traditional non-adaptive equivalent, particularly in what concerns the estimation of deformation patterns of buildings, which are poorly predicted by both types of analysis.
机译：在基于地震的地区设计和评估结构中使用基于性能的方法的最新动力大大增加了对开发可靠的非线性非弹性静态推覆分析工具的需求。结果，近年来见证了所谓的自适应推覆方法的引入，与传统的推覆方法不同，该方法具有解决较高振动模式和渐进刚度降低可能对分布产生影响的能力。层地震力。通过与大量非线性时程动力学分析的结果进行比较，探索了这些基于力的自适应俯冲方法在预测钢筋混凝土建筑物水平承载力方面的准确性。结论是，尽管基于力的自适应俯冲在概念上具有明显优势，但与传统的非自适应等效相比，其优势相对较小，特别是在涉及建筑物变形模式的估计方面，这两种类型的预测都很难预测。分析。

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