Decision of the concrete parameters and fracture analysis of concrete for interactive analysis of soils and concrete structures

Since the concrete structure, such as a water channel is surrounded by the ground, the complex soil pressure is applied. It is important to develop a numerical method for analyzing complex interactive action of soils and reinforced concrete structures. In this study, the problem is attempted to solve by elasto-plastic finite element analysis with implicit-explicit dynamic relaxation method with a layer element. We decided the material constants and scale of the concrete elements for this method was estimated by uniaxial compression test, tensile test and bending test. It was indicated that layered element model was effective analytical technique as failure analysis of unreinforced concrete structure.