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首页> 外文期刊>International journal of steel structures >Evaluation of the moment-rotation curve of I beam-to-CFT column connection with endplate, using mechanical modeling
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Evaluation of the moment-rotation curve of I beam-to-CFT column connection with endplate, using mechanical modeling

机译：使用机械建模评估I型梁到CFT柱与端板连接的力矩-旋转曲线

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摘要

Through this study, a method is presented to estimate moment-rotation (M-) curve of I beam-to-the concrete filled tube (CFT) connections. This method is based on the components method in which components are analyzed and modeled as different mechanical models. These components are considered as springs with specific mechanical properties of stiffness, strength, and rigid bars. Their force-displacement relationship is assumed bi-linear and 3-linear. The connection behavior is assumed through assembling the stiffness of different components. In this study, connection of I beam-to-CFT column with bolted endplate connection under monotonic loading, which has been tested in the laboratory, is evaluated. It must be mentioned that those bolts which penetrated into the column depth have been used in order to create continuity between flanges of the column. The suggested method has been compared with the experimental test and the advanced finite element model in terms of stiffness, strength, and rotational capacity; moreover, its operation was satisfactory.
机译：通过这项研究，提出了一种方法来估算工字钢到混凝土填充管（CFT）连接的弯矩（M-）曲线。此方法基于零部件方法，在该方法中，将零部件进行分析并建模为不同的机械模型。这些组件被认为是具有特定机械特性的弹簧，这些机械特性包括刚度，强度和刚性杆。它们的力-位移关系被假定为双线性和三线性的。通过组装不同组件的刚度来假定连接行为。在这项研究中，评估了I型梁与CFT色谱柱在单调载荷下的螺栓端板连接的连接，该连接已在实验室中进行了测试。必须提到的是，已经使用了那些渗透到圆柱体深度中的螺栓，以便在圆柱体的凸缘之间产生连续性。将该方法与刚度，强度和旋转能力方面的实验测试和先进的有限元模型进行了比较。此外，其操作令人满意。

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