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The paper deals with the anchorage zone stress evaluation with a 3-strand anchorage plate. The end block of a post-tensioned concrete specimen is modelled using ANSYS software. The bursting force equation published in IS 1343 for post-tensioned concrete members does not incorporate the output of a 3-strand anchorage plate. A 3D Finite Element Analysis (FEA) was carried out to ascertain the relative contributions of anchorage ratio (k), pre-stressing force, and duct opening in the modeling of the plate on bursting tensile stress and bursting force. The outcomes show that the bursting force is understated by the equation suggested by IS 1343 and other standard codes. In order to address this, the results presented in this article can be directly used in the unavailability of experimental results.

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

  • 会议论文

  • 发表日期：

    2025年

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  • Monika Jain,
  • Rajendra Khapre

摘要

The paper deals with the anchorage zone stress evaluation with a 3-strand anchorage plate. The end block of a post-tensioned concrete specimen is modelled using ANSYS software. The bursting force equation published in IS 1343 for post-tensioned concrete members does not incorporate the output of a 3-strand anchorage plate. A 3D Finite Element Analysis (FEA) was carried out to ascertain the relative contributions of anchorage ratio (k), pre-stressing force, and duct opening in the modeling of the plate on bursting tensile stress and bursting force. The outcomes show that the bursting force is understated by the equation suggested by IS 1343 and other standard codes. In order to address this, the results presented in this article can be directly used in the unavailability of experimental results.