Abstract
A mathematical model for concrete has been developed by combining a multiple-plane plasticity and fracture model with a cap model for compaction. The model provides for the anisotropy of tensile and shear behavior and also for nonlinear compaction. The model is primarily intended to represent the response of concrete structures to impact loading.
The model shows the usual differences in loading and unloading pressure-volume paths for compaction, and also shear stresses in the model enhance the compaction process. Shear stresses on each of seven planes are computed using a Mohr-Coulomb yield curve. Shear damage on a plane causes loss of shearing and tensile strength. Initially, the model has a macro character for ease in matching experimental data, but is extendable later to have micromechanical features for generality and for guidance in scaling calculations.
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© 1985 Martinus Nijhoff Publishers, Dordrecht
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Seaman, L., Gran, J., Curran, D.R. (1985). A Microstructural Approach to Fracture of Concrete. In: Shah, S.P. (eds) Application of Fracture Mechanics to Cementitious Composites. NATO ASI Series, vol 94. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5121-1_16
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DOI: https://doi.org/10.1007/978-94-009-5121-1_16
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