Research Article
Jan 1968
Beam Tests with Unreinforced Web Openings
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 94, Issue 1
Abstract
Experimental results are presented showing the effect on ultimate moment capacity at sections of a wide-flange beam weakened by large web openings. Parameters investigated include the opening shape, the ratio of moment to shear at the openings, and the effect of adjacent openings at various spacings. Tests were carried out on 8WF17 beams with circular, rectangular and flat sided openings with semicircular ends. The results show that large reductions in capacity can occur and that these increase with the amount of shear present. An identical adjacent opening does not have much influence on the strength of a circular opening, but significant reductions in strength of a rectangular opening can be produced by a second opening.
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Published In
Journal of the Structural Division
Volume 94 • Issue 1 • January 1968
Pages: 1 - 17
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Jan 1968
Published online: Feb 1, 2021
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Authors
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Richard G. Redwood
Asst. Prof., Dept. of Civ. Engrg. and Applied Mechanics, McGill Univ., Montreal, Quebec, Canada
John O. McCutcheon, M.ASCE
Chmn., Dept. of Civ. Engrg. and Applied Mechanics, McGill Univ., Montreal, Quebec, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.