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首页> 外文期刊>Journal of Constructional Steel Research >Moment-rotation behavior of top-and seat-angle connections with double web angles
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Moment-rotation behavior of top-and seat-angle connections with double web angles

机译：双腹板角的顶角和座角连接的力矩旋转行为

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The objective of this study is to develop more accurate models to estimate the moment-rotation behavior of top seat angle connections with double web angles (TSACW). As the characteristics of connections play a very important role in steel structural design, the effects of connections should be considered when an accurate analysis of semi-grid steel frame is desired. Experimental data of TSACW collected is used for evaluating different models, such as the initial stiffness and ultimate moment. Experimental data of top-seat angle connections without web angle collected is used to establish the effect-of top and seat angle on the initial stiffness of TSACW. A more accurate equation for the initial stiffness is proposed, and good agreement between the proposed model and various test data is made. The type of collapse mechanism for TSACW is established from Kishi and Chen, Li, and Kong and Kim's analysis. A model of the ultimate moment capacity is proposed, and it agrees well with various test data. A more accurate model of the moment-rotation relation is also suggested. (C) 2016 Elsevier Ltd. All rights reserved.
机译：这项研究的目的是开发更准确的模型来估计具有双腹板角（TSACW）的顶部座椅角连接的力矩-旋转行为。由于连接的特性在钢结构设计中起着非常重要的作用，因此当需要对半网格钢框架进行精确分析时，应考虑连接的影响。所收集的TSACW的实验数据用于评估不同的模型，例如初始刚度和极限力矩。没有收集腹板角的顶座角连接的实验数据用于建立顶角和座角对TSACW初始刚度的影响。提出了一个更精确的初始刚度方程，并在模型和各种试验数据之间取得了很好的一致性。 TSACW的坍塌机制类型是根据Kishi和Chen，Li以及Kong和Kim的分析建立的。提出了极限弯矩承载力的模型，该模型与各种测试数据吻合良好。还提出了一个更精确的力矩-旋转关系模型。 （C）2016 Elsevier Ltd.保留所有权利。

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