Finite element modeling of post-tensioned concrete beams with grout defects and evolution of strand corrosion in time

Marialorenza Vescovi

doi:10.1016/j.engstruct.2026.123459

Finite element modeling of post-tensioned concrete beams with grout defects and evolution of strand corrosion in time

2026-08-10

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AI

M

Marialorenza Vescovi

D

Daniele Ferretti *

B

Beatrice Belletti

DOI：10.1016/j.engstruct.2026.123459

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• Time-dependent FE framework for post-tensioned beams with grout defects. • Bond–slip interaction modeled using nonlinear springs in Abaqus. • Strand corrosion simulated through field-variable-based constitutive updates. • Corrosion effects incorporated without user-defined material subroutines. • Long-term deflection and capacity degradation analyzed consistently.

Finite element modeling of post-tensioned concrete beams with grout defects and evolution of strand corrosion in time

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