The nonlinear analysis of concrete elements is crucial for understanding the complex behavior of structures under various loading conditions. This study focuses on the application of the Co-axial Rotating Smeared Crack Model (CRSCM) to assess the performance and failure mechanisms of concrete structural components. The CRSCM, an advanced computational approach, enables a detailed representation of cracking and damage evolution in concrete by accounting for the orientation and rotation of cracks within the smeared field. This model integrates the effects of both axial and rotational crack behavior, providing a more accurate depiction of concrete’s nonlinear response compared to traditional models.

The study employs the CRSCM to analyze a range of concrete structures, including beams, slabs, and columns, subjected to various loading scenarios. The results demonstrate that the CRSCM effectively captures the nonlinear stress-strain relationships and crack propagation patterns, leading to improved predictions of structural performance and failure. The analysis reveals how the orientation and rotation of cracks influence the overall strength and stability of concrete elements, offering valuable insights into their behavior under real-world conditions.

Applications of the CRSCM in this study include the evaluation of structural reinforcement strategies, assessment of load-bearing capacity, and optimization of design parameters. The findings highlight the model’s capability to enhance the accuracy of structural assessments and inform more effective design and maintenance practices. By providing a comprehensive understanding of concrete behavior, the CRSCM contributes to the advancement of structural engineering and the development of safer, more resilient concrete structures.

Nonlinear analysis, concrete elements, Co-axial Rotating Smeared Crack Model

Ardakanian, R., M. Ghaemian and H. Mirzabozorg, 2006. Nonlinear behavior of mass concrete in 3-D problems using damage mechanics approach. Eur. Earthquake Eng., 2: 65-89.

Ahmadi, M.T., M. Izadinia and H. Bachmann, 2001. A discrete crack joint model for nonlinear dynamic analysis of concrete arch dam. Comput. Struct., 79: 403-420.

Babu, R.R., G.S. Benipal and A.K. Singh, 2005. Constitutive modeling of concrete: An overview. Asian J. Civil Eng. Build. Hous., 6: 211-246.

Cicekli, U., G.Z. Voyiadjis and R.K. Abu Al-Rub, 2007. A plasticity and anisotropic damage model for plain concrete. Int. J. Plast., 23: 1874-1900.

Contrafatto, L. and M. Cuomo, 2006. A framework of elastic-plastic damaging model for concrete under multiaxial stress states. Int. J. Plast., 22: 2272-2300.

Chen, A.C.T. and W.F. Chen, 1975. Constitutive relations for concrete. J. Eng. Mech. Div., 101: 465-481.

Du, X. and J. Tu, 2007. Nonlinear seismic response analysis of arch dam-foundation systems-part II opening and closing contact joints. Bull. Earthquake Eng., 5: 121-133.

Fan, S.C. and F. Wang, 2002. A new strength criterion for concrete. Struct. J., 99: 317-326.

Grassl, P. and M. Jirasek, 2006. Damage-plastic model for concrete failure. Int. J. Solids Struct., 43: 7166-7196.

He, W., Y.F. Wu, K.M. Liewand and Z. Wu, 2006. A 2D total strain based constitutive model for predicting the behaviors of concrete structures. Int. J. Eng. Sci., 44: 1280-1303.

Hohberg, J.M., 1990. A note on spurious oscillations in FEM joint elements. Earthquake Eng. Struct. Dyn., 19: 773-779.

Khan, A.R., A.H. Al-Gadhib and M.H. Baluch, 2007. Elasto-damage model for high strength concrete subjected to multiaxial loading. Int. J. Damage Mech., 16: 361-398.

Labadi, Y. and N.E. Hannachi, 2005. Numerical simulation of brittle damage in concrete specimens. Strength Mater., 37: 268-281.

Mirzabozorg, H., M.R. Kianoush and M. Varmazyari, 2010. Nonlinear behavior of concrete gravity dams and effect of input spatially variation. Struct. Eng. Mech., 35: 365-379.

Menetrey, P. and K.J. William, 1995. Triaxial failure criterion for concrete and its generalization. ACI Struct. J., 92: 311-318.

Ottosen, N.S., 1977. A failure criterion for concrete. J. Eng. Mech. Div., 103: 527-535.

Phama, H.B., R. Al-Mahaidia and V. Saouma, 2006. Modelling of CFRP-concrete bond using smeared and discrete cracks. Compos. Struct., 75: 145-150.

Sumarac, D., M. Sekulovic and D. Krajcinovic, 2003. Fracture of reinforced concrete beams subjected to three point bending. Int. J. Damage Mech., 12: 31-44.

Willam, K.J. and E.P. Warnke, 1974. Constitutive Model for Triaxial Behavior of Concrete. International Association for Bridges and Structure Engineering, Italy.