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Saudi Journal of Civil Engineering (SJCE)
Volume-5 | Issue-05 | 116-123
Original Research Article
Study of Crack Pattern in RCC Beam Using ABAQUS
Ashutosh Kumar Yadav, Ashish Poudel
Published : June 23, 2021
DOI : 10.36348/sjce.2021.v05i05.003
Abstract
Crack formation and propagation in reinforced concrete members is complex. It involves various mechanisms and parameters related to the interaction between concrete and reinforcement, the geometry of structural members, type of loading, and support conditions. These factors can be controlled and adjusted to some extent only. On the other hand, these deterministic factors are all superimposed by a certain level of randomness owing to the fluctuations of material parameters and the heterogeneous composition of concrete. Nevertheless, the process of cracking and the resulting crack systems have been widely studied during the years, striving to create physically transparent models that could predict the structural behavior with greater accuracy. Considering the importance of flexure and shear failure influences on strength of concrete, percentage of steel and stirrups of RC beam, a finite element (FE) modeling that focuses on crack initiation and pattern is presented in this study. Nonlinear three dimensions finite element analysis (FEA) of RC beam capable of appropriately modeling the concrete stress-strain behavior, tensile cracking, and compressive damage of concrete and indirect modeling of the steel-concrete bond is performed using ABAQUS to investigate the ultimate load, beam displacements, and cracking pattern. The concrete damage plasticity is applied to the numerical model as a distributed plasticity over the whole geometry. The objective of this study is to predict failure and crack development in the concrete model using ABAQUS for static load in M30 grade beam with different reinforcement configurations and results have been compared with the experimented sample.
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