In the present study an idea of combination of fracture mechanics and Limit State Analysis is presented.The model of the“plastic hinges”is made by using theory of fracture mechanics.Analysis of a simple RC(reinforce...In the present study an idea of combination of fracture mechanics and Limit State Analysis is presented.The model of the“plastic hinges”is made by using theory of fracture mechanics.Analysis of a simple RC(reinforced concrete)structure by means of fracture mechanics is performed by taking into account crack development.Reinforcement plastification and nonlinear behavior of concrete are considered in the numerical model.Comparisons with a simple Limit State Analysis plastic hinge model are made.The numerical analysis is made by using ANSYS software product.This research is part of a project aimed at determining the maximum bending moment in a beam subjected to bending with the methods of fracture mechanics and the definition of a simplified formula specifying the one obtained by the Limit State Analysis.展开更多
基金supplied by the National Science Fund under the contract № BH-296/24.
文摘In the present study an idea of combination of fracture mechanics and Limit State Analysis is presented.The model of the“plastic hinges”is made by using theory of fracture mechanics.Analysis of a simple RC(reinforced concrete)structure by means of fracture mechanics is performed by taking into account crack development.Reinforcement plastification and nonlinear behavior of concrete are considered in the numerical model.Comparisons with a simple Limit State Analysis plastic hinge model are made.The numerical analysis is made by using ANSYS software product.This research is part of a project aimed at determining the maximum bending moment in a beam subjected to bending with the methods of fracture mechanics and the definition of a simplified formula specifying the one obtained by the Limit State Analysis.