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首页> 外文期刊>Journal of Performance of Constructed Facilities >Contribution of Nonlinear Finite-Element Analysis to Evaluation of Two Structural Concrete Failures
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Contribution of Nonlinear Finite-Element Analysis to Evaluation of Two Structural Concrete Failures

机译:非线性有限元分析对两个结构混凝土故障评估的贡献

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摘要

The failure of two reinforced concrete structures is recounted, one involving a warehouse structure and the other an offshore platform base structure. Design details and factors leading to the collapses are identified and discussed. The structures were subsequently analyzed using nonlinear finite-element analysis procedures, taking into account relevant second-order behavior models. The analyses provided an accurate assessment of the load capacities and failure modes observed, as well as meaningful insights into the underlying behavior mechanisms and factors leading to the failures. This paper supports the view that nonlinear analysis techniques have become useful everyday tools for design office applications, particularly in forensic work, and also gives evidence suggesting that errors in the design of modern structures can be potentially more catastrophic than in the past, and that advanced assessment techniques will assume increased importance as a result.
机译:两个钢筋混凝土结构的故障叙述,其中一个涉及仓库结构和另一个近海平台基础结构。 确定和讨论导致坍塌的设计细节和因素。 随后使用非线性有限元分析程序进行分析,考虑到相关的二阶行为模型。 分析提供了对观察到的负载能力和失效模式的准确评估,以及对潜在行为机制的有意义的见解和导致失败的因素。 本文支持非线性分析技术已成为设计办公应用的有用的日常工具,特别是在法医工作中,并且还提供了证据表明现代结构设计中的错误可能比过去更灾难,以及先进的 评估技术将承担结果增加的重要性。

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