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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 6, May 2009

Issue on Civil Engineering

Page(s): 16-19

Response of Raft Foundation on Varying Stratum

Kumar Venkatesh, N.K. Samadhiya, and A.D. Pandey

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The effect on raft foundation of a barrage due to varying stratum has been examined using finite element analysis. The raft foundation is completely resting on soil media and surrounded by soil and rock media. Eight noded brick elements have been used for three-dimensional modeling and meshing of the rock, soil, cut-off, pier, beam and abutment but raft foundation has been meshed using plate element. The relevant amount of soil and rock around and bottom of the raft foundation has been modeled to simulate the in-situ conditions. The raft foundation of a typical barrage has been analyzed using the representative load cases. Analysis of the barrage raft foundation has been carried out and the influence of soil properties has been studied at the region of transverse sections, which exhibited the response in terms of moments and deformation with significant difference.

Index Terms

raft foundation, finite element method, barrage

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