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Torsion - bending - shear interaction for reinforced concrete beams
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
1974 (English)In: Journal of the Structural division (1956-1982), ISSN 0044-8001, Vol. 100, no ST 8, Proc. Paper 10749, 1657-1676 p.Article in journal (Refereed) Published
Abstract [en]

A rational, simple method is presented for analysis of the torsion-bending-shear interaction at failure for reinforced concrete beams. Equilibrium equations are studied for observed failure mechanisms. Three mechanisms can occur depending on where the concrete compression zone is formed: in the top (mode t), in the bottom (mode b), or in one vertical side (mode s). In modes t and b, the torsion-bending and the shear-bending interaction are governed by second-degree parabolas, whereas the torsion-shear interaction is governed by an ellipse. In mode s, the interaction surface is a cylinder with an elliptic base in the torsion-shear plane.

Place, publisher, year, edition, pages
1974. Vol. 100, no ST 8, Proc. Paper 10749, 1657-1676 p.
Research subject
Structural Engineering
URN: urn:nbn:se:ltu:diva-7587Local ID: 5f918cc0-7015-11db-962b-000ea68e967bOAI: diva2:980477

Godkänd; 1974; 20061109 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2016-10-19Bibliographically approved

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Elfgren, Lennart
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