无螺栓梁端连接件的结构性能

IF 1.7 3区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
S. Shah, N. Sulong, R. Khan, M. Z. Jumaat
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引用次数: 7

摘要

本研究考察了在钢托盘架(SPRs)的半刚性无螺栓梁柱连接(BCCs)中用作连接装置的梁端连接器的结构性能。共测试了6种试件,通过3种不同的梁端接头厚度和2种不同的梁端接头接头数来区分。采用双悬臂梁试验方法进行了试验测试,并对节点的矩转(M-θ)行为和关键破坏模式进行了评估。还研究了BEC的厚度和卡数的变化对连接行为的影响。增加的连接器厚度使连接器卡片能够承受更高的失效力矩。研究结果表明,与连接强度相比,通过改变几何特性,连接的刚度受到的影响更大。建立了一个非线性三维有限元模型来模拟实验研究。有限元模型与实验结果吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Structural performance of boltless beam end connectors
This study examines the structural performance of beam end connectors used as connection device in semi-rigid boltless beam-to-column connections (BCCs) in steel pallet racks (SPRs). A total of six types of specimens were tested which were distinguished by the three different types of beam end connector (BEC) thicknesses and two different numbers of tabs in the (BEC). The experimental testing was performed using double-cantilever test method and the moment-rotation (M-θ) behavior of the connections and key failure modes were evaluated. The influence of variation in the thickness and the number of tabs of the BEC on the behavior of connection was also investigated. Increased connector thickness enabled the connector tabs to sustain higher failure moment. The findings showed that by varying the geometrical properties, the stiffness of the connection was affected at a higher rate as compared to the strength of the connection. A non-linear three dimensional (3D) finite element (FE) model was developed to simulate the experimental investigations. The FE model showed a close agreement with experimental results.
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来源期刊
Advanced Steel Construction
Advanced Steel Construction CONSTRUCTION & BUILDING TECHNOLOGY-ENGINEERING, CIVIL
CiteScore
2.60
自引率
29.40%
发文量
0
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.
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