冷弯螺纹钢带支撑连接承载力的试验研究

IF 1.7 3区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Advanced Steel Construction Pub Date : 2018-12-01 DOI:10.18057/IJASC.2018.14.4.3

M. Zeynalian, A. Shelley, H. Ronagh, S. Hatami

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引用次数: 6

摘要

本文对冷弯型钢(CFS)带式支撑连接的性能进行了试验研究。检查了75个冷弯型钢带支撑连接。研究了连接的最大承载能力、荷载-变形行为以及连接的破坏模式。皮带支撑连接包括0.55mm和0.75mm冷弯G550钢和四种不同类型的钢带材料。讨论了连接的性能，并将不同CFS设计标准计算的设计承载力与连接的试验结果进行了比较。结果表明，一般情况下，单调试验连接的承载力小于循环试验连接的承载力。此外，研究发现，虽然设计规定预测了螺纹连接的一些行为，但它们并不完全适合于准确预测带式支撑连接的最终行为。因此，皮带支撑连接的推荐容量是基于实验结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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EXPERIMENTAL INVESTIGATION INTO THE CAPACITY OF COLD-FORMED SCREWED STEEL STRAP BRACING CONNECTIONS

An experimental study on the behavior of cold formed steel (CFS) strap bracing connections is presented in this paper. 75 cold-formed steel strap bracing connections were examined. The connections maximum load capacity and the load-deformation behavior as well as the failure modes of the connections are investigated. The strap bracing connections included 0.55mm and 0.75mm cold-formed G550 steel and four different types of steel strap material. The connections behaviors are discussed and the design capacities calculated from different CFS design standards are compared to the experimental results of the connections. The results show that generally the monotonic tested connections capacities are lower than the cyclic capacities. Also, it is found that although the design provisions predict some of the behaviours of screwed connections, they are not fully suited to accurately predicting the ultimate behaviour of the strap bracing connections. Therefore, the recommended capacities for the strap bracing connections are based on the experimental results.

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来源期刊

Advanced Steel Construction CONSTRUCTION & BUILDING TECHNOLOGY-ENGINEERING, CIVIL

CiteScore

2.60

自引率

29.40%

发文量

审稿时长

6 months

期刊介绍： The International Journal of Advanced Steel Construction provides a platform for the publication and rapid dissemination of original and up-to-date research and technological developments in steel construction, design and analysis. Scope of research papers published in this journal includes but is not limited to theoretical and experimental research on elements, assemblages, systems, material, design philosophy and codification, standards, fabrication, projects of innovative nature and computer techniques. The journal is specifically tailored to channel the exchange of technological know-how between researchers and practitioners. Contributions from all aspects related to the recent developments of advanced steel construction are welcome.