Modeling of fracture of reinforced and unreinforced concrete structures under impact loads

This paper presents the results of a numerical simulation of the interaction of the effects of elongated cylindrical steel projectiles with concrete obstacles. Problems are solved numerically, by the finite element method, in a three-dimensional formulation within the framework of the phenomenologic...

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Bibliographic Details
Main Authors: Batuev, S. P., Radchenko, P. A., Radchenko, A. V.
Format: Conference Proceeding
Language:English
Subjects:
Algorithms
Concrete structures
Cracking (fracturing)
Damage
Elastic deformation
Finite element method
Free surfaces
High strain rate
Impact loads
Mathematical models
Projectiles
Reinforcing steels
Solid mechanics
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Summary:This paper presents the results of a numerical simulation of the interaction of the effects of elongated cylindrical steel projectiles with concrete obstacles. Problems are solved numerically, by the finite element method, in a three-dimensional formulation within the framework of the phenomenological approach to solid mechanics using the original EFES software package. The behavior of the steel projectile material is described by an elastic model. The deformation, damage and cracking processes of concrete are studied using the JH-2 model, which can account for high strains, high strain rates and high pressures in the material. The calculation algorithm used takes into account the formation of discontinuities in the material and the fragmentation of the solids with the formation of new free surfaces. The study also addresses the influence of reinforcement on concrete damage and failure dynamics in certain structures.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0163769