Tests of Thin-Webbed Beams with Unreinforced Holes

by Richard G. Redwood, Prof.; Dept. of Civ. Engrg., and Applied Mechanics, McGill Univ., Montreal, Canada,
Michael J. Daly, Grad. Research Asst.; Dept. of Civ. Engrg. and Applied Mechanics, McGill Univ., Montreal, Canada,
Hernan Baranda, Lect.; Dept. of Architectural Engrg., Snowdon Campus, Vanier Coll., Montreal, Canada,

Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 3, Pg. 577-595

Document Type: Journal Paper


Tests on 15 beams with slender webs containing unstiffened holes are reported. The parameters affecting web stability in the region of web holes are covered in the light of the test results. Important parameters are shown to be the slenderness of the tee section on the compression side of the hole, the length of the hole, and, especially for circular holes, the moment-to-shear ratio. Comparison of test results is made with theoretical results based on a plastic analysis in which buckling is assumed not to occur.

Subject Headings: Webs (structure) | Beams | Parameters (statistics) | Plastic analysis | Web beams | Compression | Comparative studies | Buckling

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