Three Dimensional finite element analysis of reinforced concrete (RC) members is a very complicated matter. Many researchers have proposed various ways of analyzing RC members. Most of them present separate models for tension and compression. Recently Tanabe et al. proposed a plasticity model named Unified Concrete Plasticity Model) which can be applied in multi-axial stress-strain situation. As a part of this research, this model was further developed2)-5) and in this paper, the feasibility of application of this modified model is tested before further development and implementation of advanced features like inelastic unloading of concrete, advanced reinforcement models etc. This is done by three dimensional finite element analysis of simple problems like beam and cantilever. In this analysis, the details of longitudinal reinforcement and lateral reinforcement or stirrups are included.