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Research Paper | Civil Engineering | India | Volume 5 Issue 9, September 2016 | Popularity: 6.9 / 10
Damage Modelling of Reinforced Concrete Beam
Neema Nazar P A, Airin M G
Abstract: Damage mechanics deals with the study of material damage based on the introduction of damage variables and their evolution under the applied loading conditions. Damage mechanics is one of the most important and interesting branches of solid mechanics although it is still developing, it has already been applied to many engineering problems. Analysis of reinforced concrete beam was done with material model available in ANSYS library. When the results are compared with the experiment conducted result is not satisfactory. Hence it is found that some parameters are necessary to make the results comparable. For that damage modelling of reinforcement steel was done using Gurson Tvergaard Needleman (GTN) model by finding GTN parameters. Damage modelling of concrete was done using Drucker Prager model by finding cohesion, friction angle and dialation angle of concrete. Analysis was done by considering damage models of steel and concrete and found that the result obtained was same as that of experimental result. Hence it was concluded that without conducting experiment, the ultimate load can be predicted if the material damage is correctly modelled.
Keywords: DAMAGE MODELLING, GURSON TVERGAARD NEEDLEMAN MODEL, DRUCKER PRAGER
Edition: Volume 5 Issue 9, September 2016
Pages: 313 - 317
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