Combined Membrane and Flexural Reinforcement in Plates and Shells
Publication: Journal of Structural Engineering
Volume 112, Issue 3
Abstract
A plate or shell element subjected to membrane forces and bending moments is considered. Based on equilibrium considerations, equations for capacities of top and bottom reinforcements in two orthogonal directions have been derived. An iterative method is suggested for calculating the design capacities. The proposed equations are more general and rigorous than those derived for membrane reinforcement alone and those for flexure only. For the membrane alone case, the proposed equations degenerate into the previously derived equations. For the latter, it is shown that the present practice of designing flexural reinforcement may underestimate the required capacity.
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References
1.
Brondum‐Nielsen, T., “Optimum Design of Reinforced Concrete Shells and Slabs,” Report No. R44, Structural Research Laboratory, Univ. of Denmark, Copenhagen, 1974.
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Bauman, T., “Zur Frage der Netzbewehrung von Flächentragwerken,” Der Bauingenieur, Vol. 47, No. 10, 1972, pp. 367–377.
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Gupta, A. K., “Membrane Reinforcement in Shells,” Journal of the Structural Division, ASCE, Vol. 107, No. ST1, Jan., 1981, pp. 41–56.
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Gupta, A. K., “Membrane Reinforcement in Concrete Shells: A Review,” Nuclear Engineering and Design, Vol. 82, Oct., 1984, pp. 63–75.
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Gupta, A. K., and Sen, S., “Design of Flexural Reinforcement in Concrete Slabs,” Journal of the Structural Division, ASCE, Apr., 1977.
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Copyright © 1986 ASCE.
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Published online: Mar 1, 1986
Published in print: Mar 1986
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