Design and cyclic testing of a gusset plate connection for precast concrete buckling-restrained braced frames

IF 0.9 4区 工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY PCI Journal Pub Date : 2023-01-01 DOI:10.15554/pcij68.2-03
Hannah D. Kessler, K. Conway, L. Redmond, G. Pataky
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引用次数: 1

Abstract

A design method for precast concrete buckling-restrained braced frames with traditional gusset plate connections has not yet been codified. In addition, experimental data for this novel system are lacking. The primary objectives of this research were to design and experimentally test a partial system under representative seismic loads and to determine the applicability of the uniform force method (UFM) for connection interface force distribution. A quasi-static cyclic test was performed on a scaled, partial system. Experimental results showed that the UFM alone does not accurately predict interface forces for this system because the method does not account for frame action. Results also showed that there is some change in column base fixity as the frame undergoes larger horizontal displacements. This was the first U.S. laboratory test on a scaled, partial version of this system. Development of a codified design method would require further testing to determine an appropriate interface force distribution and quantify the change in column base fixity.
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预制混凝土屈曲约束支撑框架扣板连接的设计与循环试验
传统扣板连接预制混凝土屈曲约束支撑框架的设计方法尚未形成规范。此外,这种新系统的实验数据缺乏。本研究的主要目的是设计和实验测试一个具有代表性的地震荷载作用下的局部系统,并确定均匀力法(UFM)在连接界面力分布方面的适用性。准静态循环试验进行了一个比例,部分系统。实验结果表明,由于该方法没有考虑框架的作用,因此单独使用UFM方法不能准确地预测系统的界面力。结果还表明,当框架承受较大的水平位移时,柱底固定点也有一定的变化。这是美国第一次对该系统的部分缩放版本进行实验室测试。制定规范的设计方法需要进一步的测试,以确定适当的界面力分布,并量化柱基固定点的变化。
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来源期刊
PCI Journal
PCI Journal 工程技术-结构与建筑技术
自引率
9.10%
发文量
15
审稿时长
>12 weeks
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