Simple Analytical Model for T-Beams in Flexure

A simple model to account for the contribution of slabs to the strength and stiffness of beams under negative bending at a beamcolumn connection is proposed. In the model, the slab is assumed to act as a tensile membrane that reinforces the tension region of the beam. The extent to which the slab co...

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Bibliographic Details
Published in:Journal of structural engineering (New York, N.Y.) N.Y.), 1988-07, Vol.114 (7), p.1507-1523
Main Authors: Pantazopoulou, S. J, Moehle, J. P, Shahrooz, B. M
Format: Article
Language:English
Subjects:
Applied sciences
Building structure
Buildings. Public works
Construction (buildings and works)
Exact sciences and technology
Steel-concrete composite structure
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Summary:A simple model to account for the contribution of slabs to the strength and stiffness of beams under negative bending at a beamcolumn connection is proposed. In the model, the slab is assumed to act as a tensile membrane that reinforces the tension region of the beam. The extent to which the slab contributes to the beam is determined from the geometry of the connection and the mechanical properties of the slab reinforcement. Closed-form expressions are derived for the equivalent width of slab that should be taken into account in the flexural analysis of T or L beams.
ISSN:0733-9445
1943-541X
DOI:10.1061/(ASCE)0733-9445(1988)114:7(1507)