Rational Model for Multibolted Connections for GFRP Members
Publication: Journal of Composites for Construction
Volume 1, Issue 2
Abstract
Bolted connections are most suitable for civil engineering applications since they are easy to inspect, have low construction costs, are easy to manufacture, and offer reliability compared with bonded joints. However, using advanced composite material members with unidirectional fibers could create a state of high stress concentration around the bolt holes due to their inherent geometric discontinuities. Due to a lack of information and the need for understanding the mechanism of these connections, a comprehensive experimental and analytical investigation was conducted at the University of Manitoba to study and to determine the behavior of bolted connections using glass fiber-reinforced plastic (GFRP) structural members. Based on the test results and observed behavior, a design procedure is introduced that accounts for the material orthotropy, pseudoyielding capability, and other factors that influence the connection behavior. The proposed rational model is capable of predicting the ultimate capacity of the multibolted connection and the failure mode. The generic nature of the proposed design guidelines can be applied to a multitude of composite material systems.
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References
1.
Hart-Smith, L. J. (1980). “Mechanically-fastened joints for advanced composites phenomenological considerations and simple analyses.”Proc., 4th Conf. on Fibrous Compos. in Struct. Des., Plenum Publishing Corp., New York, N.Y.
2.
Hassan, N. K. (1995). “Multi-bolted connections for fiber reinforced plastic structural members,” PhD thesis, Ain-Shams Univ., Cairo, Egypt.
3.
Hassan, N. K., Mohamedien, M. A., and Rizkalla, S. H.(1997). “Multibolted joints for GFRP structural members.”J. of Composites for Construction, ASCE, 1(1), 3–9.
4.
Rosner, C. N. (1992). “Single-bolted connections for orthotropic fiber-reinforced composite structural members,” MS thesis, Univ. of Manitoba, Winnipeg, Manitoba, Canada.
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Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: May 1, 1997
Published in print: May 1997
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