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Effect of U-bracket on the Structural Performance of Cold-formed Steel Angle Connection

机译:U形括号对冷成型钢角连接结构性能的影响

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The paper presents an experimental investigation on the structural performance of high strength cold-formed steel angle connection stiffened with U-bracket. A total of 18 sets of specimens were tested using different U-bracket configurations. The parameters of the U-bracket studied were the width of the web and the length of the flanges. The behaviour of the connection under load was observed and the failure mode of the connection was identified. It was shown that biaxial deformation occurred in the U-bracket. It was also demonstrated that the capacity of the connection of angle and U-bracket was 4 times the capacity of plain angles. Results showed that it was more conservative to estimate the strength of the connection by taking the total elastic capacity of the sections. It was more effective to use U-bracket with a 40mm web and 15mm long flanges with the 50mm width angle connection.
机译:本文介绍了用U形支架加固的高强度冷成型钢角连接结构性能的实验研究。使用不同的U形括号配置测试了总共18套样品。研究的U形支架的参数是幅材的宽度和凸缘的长度。观察到负载下的连接的行为,并识别了连接的故障模式。结果表明,U形括号中发生双轴变形。还证明了角度和U形支架连接的能力是普通角的4倍。结果表明,通过采取部分的总弹性能力来估算连接的强度更保守。使用具有40mm的纤维网和15mm长法兰,使用50mm宽度角度连接更有效。

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