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Short-term deflections in two-way RC slabs using deflection coefficients
Published in
Volume: 35
Issue: 4
Pages: 247 - 254
Estimation of deflections in RC slabs is important in the limit state design approach, as deflection control is often the governing condition for slab thickness. Unlike the case of one-way slabs, there is presently no simple procedure available in design codes as well as in the published literature to estimate maximum deflections of RC two-way slabs. The present study attempts to address this problem, with regard to estimation of short-term deflections in RC two-way slabs for which deflection coefficients are available. A modified Branson's formulation is proposed to assess the flexural rigidity of the two-way slab in order to account for the complex effects of cracking and tension stiffening. The empirical formulation is based on 16 experimental load-deflection data sets reported in literature for uniformly loaded rectangular panels on unyielding supports with simply supported and restrained edges.
About the journal
JournalJournal of Structural Engineering (Madras)
Open AccessNo