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Estimation of Bending Moment Coefficients of Two Way Rc Slabs: Finite Element Approach
Agrawal U, Garg A, Dhingra V,
Published in Indian Society for Education and Environment
Volume: 9
Issue: 30
Objective:The main objective of this study is to find out the bending moment co-efficient of two way reinforced concrete (RC) slabs. Methods/Analysis: Linear and nonlinear static analysis of single panel two way RC slabs have been performed in finite element program ANSYS 12.0. The yielding behavior of slabs for various edge restrained conditions in both linear and non-linear analysis was studied. Findings: The yield line patterns of slabs with all boundary conditions were observed. From the yielding pattern, it was studied that the longer edges yielding first followed by the shorter edges and mid-span of slab. Based on the observation of yield line pattern, the bending moment coefficients were found. The obtained values were compared with IS: 456 recommendations. The comparison of analytical results show that the method adopted to obtain the moment coefficients of two way slabs is satisfactory. Applications: Using detailed observation of yielding of slabs, the bending moment coefficients shall be arrived for the use of design of slabs of any irregular shapes.
About the journal
JournalIndian Journal of Science and Technology
PublisherIndian Society for Education and Environment
Open AccessYes