Theoretical Analysis And Algorithmic Method Of Prestressed Steel Renforced Concrete Composite Beam

Prestressed Steel Reinforced Concrete (PSRC) beam is developed with the Prestressed Reinforced Concrete (PRC) beam. It is composed of steel beam and concrete with prestressing tendon which covered the steel beam. After the distortion of the prestressing tendon released, the concrete of PSRC beam attained the prestressed stress, and made the steel beam and the concrete of PSRC beam reached the optimal stress distribution. Compare to the prestessed reinforced concrete beam, The PRSC beam has greater stiffness, lighter weight, more applicability of resisting crack and earthquake effects. So that the PRSC beam is more adaptable to the structure which has larger span and lower beam height such as the beam of bridge, dock, station, underground structure, larger span workshop, theater and high-rise building. However, there have been only fewer studies on the PSRC beam until now, and result in the application of the PSRC beam is hold up.The mechanics capability, yield mode and compute method of the PSRC beam based on a Monotonously Static Loading test on the PSRC beam of linear theory analysis have been researched in this paper. The results of the linear theory analysis are analysed, the mechanics capability and the yield mode of the PSRC beam are discovered. Furthermore, the PSRC beam is analysed by the Finite Element Analysis (FEA) software ANASYS, and the analysis results are compared to the data of the linear theory analysis. It proved that the supposition and parameter of the FEA model is reasonable.In this paper, In order to achieve more applications to practice, the design method of the PSRC beam is researched which is beneficial to the application of the PSRC beam.