The study focuses on the 30-meter post-tensioned precast concrete segmental T-beams within the Ningbo Xiangshan Bay Channel Dredging and Harbor Improvement Project,Section 3.The project overview,structural characteristics of the segmental T-beams,and the precast and bridge assembly construction process are introduced.The research delves into the mechanical behavior of the precast segmental simply supported T-beams.Through the utilization of the finite element software Midas,a model is developed to conduct a thorough analysis of the mechanical performance of the precast segmental simply supported T-beams.The obtained results reveal that the structural response and deformations of the 30-meter segmental precast T-beams meet the relevant specifications.This study provides valuable insights for the advancement of precast T-beam technology in highway construction,offering a foundation for reference and application.
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