玻璃纤维增强聚合物短柱中螺栓连接、粘结连接和混合拼接连接的试验分析

Q2 Materials Science

Engineering Solid Mechanics Pub Date : 2023-01-01 DOI:10.5267/j.esm.2023.3.001

M. J. Srujan, S. Srikanth

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引用次数: 0

摘要

玻璃纤维增强聚合物(GFRP)是一种用于轻量化结构的高分子复合材料。本研究提供了通过粘合、螺栓连接和混合连接实现坚固的GFRP h截面短柱拼接连接的见解。钢连接的设计规范基于BS en1990和BS en1991指南。在轴向加载的基础上，研究了结构的抗压强度、粘结和承载阻力、连接的压缩性能和破坏模式等因素。该研究包括25个玻璃钢h型钢拼接连接的行为特征和结果，每个h型钢的尺寸为152 x 72 x 6.4 mm，高度为350 mm。本研究还研究了由钢盖板和钢螺栓组成的复合拼接接头的性能，该接头用于创建理想的无轴承拼接连接。该模型用于与其他模型进行比较，以了解GFRP盖板设计的拼接节点的性能。本文给出了连接的设计规范，与未切割的玻璃钢h型截面相比，其抗压强度分别为82.35%、89.82%和92.83%。

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Experimental analysis of bolted, bonded, and hybrid spliced joint connections in glass fiber reinforced polymer short column

Glass Fiber Reinforced Polymer (GFRP) is a polymer composite material used in lightweight structures. This study provides insight into achieving robust GFRP H-section short-column spliced connections using bonded, bolted, and hybrid connections. The design specifications for steel splicing connections are based on BS EN 1990 and BS EN 1991 guidelines. Based on the samples subjected to axial loading, factors such as compressive strength, bonding and bearing resistance, compression behavior of the connection, and failure modes of the structure are investigated. The study includes the behavioral characteristics and results of 25 GFRP H-section Spliced connections, with each H-section measuring 152 x 72 x 6.4 mm and standing 350 mm in height. This study also examines the behavior of a composite splice joint made up of steel cover plates and steel bolts that are used to create an ideal non-bearing spliced connection. This model is used to compare to the other models to understand the behavior of spliced joints designed with GFRP cover plates. This paper holds design specifications of connections that have displayed compressive strengths of 82.35 %, 89.82 %, and 92.83 % compared to that of an un-cut GFRP H-section subjected to axial loading.

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来源期刊

Engineering Solid Mechanics Materials Science-Metals and Alloys

CiteScore

3.00

自引率

0.00%

发文量

期刊介绍： Engineering Solid Mechanics (ESM) is an online international journal for publishing high quality peer reviewed papers in the field of theoretical and applied solid mechanics. The primary focus is to exchange ideas about investigating behavior and properties of engineering materials (such as metals, composites, ceramics, polymers, FGMs, rocks and concretes, asphalt mixtures, bio and nano materials) and their mechanical characterization (including strength and deformation behavior, fatigue and fracture, stress measurements, etc.) through experimental, theoretical and numerical research studies. Researchers and practitioners (from deferent areas such as mechanical and manufacturing, aerospace, railway, bio-mechanics, civil and mining, materials and metallurgy, oil, gas and petroleum industries, pipeline, marine and offshore sectors) are encouraged to submit their original, unpublished contributions.