Abstract
ABSTRACT This study investigates the effectiveness of strengthening masonry arch bridges using steel rebars embedded within the arch structure to enhance their blast resistance. A comprehensive numerical analysis is conducted using Abaqus software, where a VUMAT code is developed to accurately model the nonlinear behavior of materials. The analysis is complemented by comparing the behavior of strengthened and un-strengthened arches subjected to shock waves. Results demonstrate an improvement in the structural resilience of the reinforced arches, including reduced deformation, increased load-bearing capacity, and delayed failure mechanisms under high-intensity blasts. The findings offer practical insights for the preservation and fortification of masonry arch bridges, providing a reliable solution for enhancing their durability in the face of modern threats.
Published Version
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