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首页> 外文期刊>International journal of steel structures >A New Method for Developing Seismic Collapse Fragility Curves Grounded on State-Based Philosophy
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A New Method for Developing Seismic Collapse Fragility Curves Grounded on State-Based Philosophy

机译：一种开发地震塌陷脆弱曲线的新方法，基于国家的哲学基础

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摘要

Since the current process to achieve the collapse fragility curve in practical applications seems too complicated, also time-consuming to dominant by structure designers, the focus of this study is on introducing of a new approach for establishing collapse fragility curves which requires less analytical effort. To achieve this goal, state-based philosophy (SBP) has been taken into consideration. This theory benefits from some similarities in the nature of every failure process in solid mechanics regardless of its source. In this study these similarities are used intelligently in procedure of formulating new fragility function which has couple of unknown parameters. Next, it will be shown that these parameters can be attained from two different sources: the pushover curves of the structure, some selective damage data from incremental dynamic analysis analyses. Finally a complete form of new collapse fragility function which is called "SBP fragility function" proposed as a substitute for conventional collapse fragility function. The most important advantage of this new fragility function is its non-probabilistic structure that will make a huge difference in the amount of effort required to achieve the fragility curves. In this research, in order to ensure the efficiency, accuracy of this fragility function all steps of SBP fragility analyses are done on some special moment frames models, their results are presented.
机译：由于目前实现实际应用中的崩溃脆弱曲线的过程似乎太复杂，而且对结构设计人员的占据占据了耗时，这项研究的重点是在引入建立崩溃脆弱曲线的新方法，这需要较少的分析措施。为实现这一目标，已考虑国家哲学（SBP）。这种理论在固体力学中的每一个故障过程的性质中受益于某种相似之处，无论其来源如何。在本研究中，这些相似之处在制定具有几个未知参数的新脆性函数的过程中智能地使用。接下来，将显示这些参数可以从两个不同的源获得：结构的推送曲线，来自增量动态分析分析的一些选择性损害数据。最后一种新的折叠脆弱功能，称为“SBP脆弱功能”，提出作为传统崩溃脆性函数的替代品。这种新脆弱功能的最重要优势是其非概率结构，将在实现脆弱曲线所需的努力中产生巨大差异。在这项研究中，为了确保效率，这种脆弱功能的准确性在某些特殊时刻帧模型上完成了SBP脆性分析的所有步骤，它们的结果呈现。

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