Based on test of two large-scaled PSRC frames, nonlinear analysis is carried out for two tested prestressed steel-concrete frames using finite element ABAQUS.Numerical simulation results and test results are compared.Results show that the nonlinear analysis can simulate exactly the whole process of the test for this kind of structure.Both test results and numerical simulation results indicate that the amplitude modulation value of support moment increases as the degree of prestressing of the PSCF increases when depth of compression zone remains invariant;when the degree of the prestress remains constant, it decreases when depth of compression zone increases.The amplitude modulation value of support moment decreases when effective prestress increases.
[6] Hamid Saadatmanesh, Pedro Albrecht, Bilal M Ayyub. Analytical?Study of Prestressed Composite Beams[J]. Journal of Structural?Engineering,1989,115(9):2364-2381.