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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by:
Paper 9

Anisotropic Damage Model for the Numerical Simulation of Textile Reinforced Concrete Shell Structures

E. Sharei, A. Scholzen, R. Chudoba and J. Hegger

Institute of Structural Concrete, RWTH Aachen University, Germany

Full Bibliographic Reference for this paper
E. Sharei, A. Scholzen, R. Chudoba, J. Hegger, "Anisotropic Damage Model for the Numerical Simulation of Textile Reinforced Concrete Shell Structures", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 9, 2014. doi:10.4203/ccp.106.9
Keywords: textile reinforced concrete, strain hardening, cementitious composites, microplane damage model, damage mechanics, shell structures, geometrical nonlinearity, finite element analysis..

Summary
Textile reinforced concrete (TRC) is a composite material with high load bearing capacity and non-corrosive reinforcement which is well suited for the construction of thin-walled shell structures. This composite material exhibits a considerable strain hardening behavior under tensile loading as a result of the interaction between concrete matrix and textile fabric. Based on the orientation of composite layers and also the formation of load-induced finely distributed cracking, TRC exhibits a considerable anisotropic behavior. In this paper, simulation of TRC shell structures using an anisotropic damage model for the composite material is presented using physically and geometrically nonlinear finite element analysis. The damage function is calibrated on the basis of tensile tests of TRC specimens and is validated based on the simulation of bending tests. Furthermore slab tests with central out of plane loading are simulated using the described computational model. The results of the simulations are compared with the experiments in terms of load-deflection response and cracking pattern of the TRC slab.

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