Stress Assessment in Post-tensioned Concrete Anchorage Using a 3-Strand Anchorage Plate

This chapter delves into the stress assessment of post-tensioned concrete anchorage zones, specifically focusing on a 3-strand anchorage plate. The study employs finite element analysis using ANSYS to investigate the distribution of transverse tensile stresses, compressive stresses, and bursting forces under concentric loading. Key findings reveal that the maximum transverse tensile stress for a multi-rectangular plate is 1.86, and the bursting force decreases as the anchorage ratio increases. The research highlights the importance of realistic plate modeling for accurate assessments of bursting forces, offering practical guidelines for engineers and designers. Additionally, the study compares its results with existing standards and codes, providing valuable insights into the behavior of post-tensioned concrete anchorage zones. The conclusions emphasize the impact of the prestressing plate's cross-section area on peak transverse tensile stress and bursting force, offering recommendations for enhancing the safety and efficiency of post-tensioned concrete structures.