受拉力和弯曲影响的螺栓端板管连接

IF 1.1 4区 工程技术 Q3 ENGINEERING, CIVIL Canadian Journal of Civil Engineering Pub Date : 2023-09-27 DOI:10.1139/cjce-2023-0207
Augusto Fidalgo, Jeffrey A. Packer
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引用次数: 0

摘要

大量的研究已经进行了管状螺栓端板连接轴向拉伸载荷,相当少的这种连接的弯曲。本文研究了这两种荷载的联合作用,并首次对这些连接进行了拉伸和弯曲联合作用下的实验室试验。利用已验证的有限元模型,对这些连接在轴向和偏心拉力载荷下进行了360个数值模型的参数化研究。在筛选该数据库的实验测试和数值结果,以隔离连接的破坏模式后,评估和修订了目前用于预测偏心张力下连接能力的设计方法。在此基础上,提出了一种基于相互作用曲线的复合载荷下接头设计方法。对于所有方法,使用板极限应力和屈服应力作为端板材料强度参数进行了比较。最后,对推荐的设计方法在加拿大的实际应用进行了可靠性分析。
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Bolted End-Plate Tube Connections subject to Tension and Bending
A large amount of research has been undertaken on tubular bolted end-plate connections loaded in axial tension, and considerably less on such connections in flexure. This paper studies the combined effects of these two loads and presents the first laboratory tests on these connections under combined tension and flexure. Using validated finite element models, a parametric study with 360 numerical models is performed on these connections under axial and eccentric tension loads. After screening this database of experimental tests and numerical results to isolate only connection failure modes, current design methods for predicting the connection capacity under eccentric tension are evaluated and revised. In addition, based on interaction curves, a novel approach is proposed to design these splices under combined loads. For all methods, the use of the plate ultimate and yield stress was compared for the end-plate material strength parameter. Lastly, a reliability analysis is performed for the application of the recommended design methods to Canadian practice.
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来源期刊
Canadian Journal of Civil Engineering
Canadian Journal of Civil Engineering 工程技术-工程:土木
CiteScore
3.00
自引率
7.10%
发文量
105
审稿时长
14 months
期刊介绍: The Canadian Journal of Civil Engineering is the official journal of the Canadian Society for Civil Engineering. It contains articles on environmental engineering, hydrotechnical engineering, structural engineering, construction engineering, engineering mechanics, engineering materials, and history of civil engineering. Contributors include recognized researchers and practitioners in industry, government, and academia. New developments in engineering design and construction are also featured.
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