Volume 23, Issue 60, July - December, 2026 (Forthcoming Issue)

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In the present work an integrated experimental and computational method is used to explore the structural performance of ultra-high-performance concrete (UHPC) beams with square and rectangular transverse web apertures reinforced with externally bonded steel plates. Five UHPC beam specimens were examined under four-point bending, consisting of a control beam, beam with a square opening, a beam with a rectangle opening, and their corresponding reinforced specimens. A three-dimensional nonlinear finite element model was created in Abaqus to mimic the nonlinear behavior, crack growth and interaction between the UHPC and the external strengthening system. The experimental results showed that the internal force transfer mechanism was severely disturbed by the openings, and the stress concentration around the opening boundaries was localized, which caused the ultimate load capacities of the beams with square and rectangular openings to decrease by approximately 11.0% and 11.7%, respectively, compared with those of the control beam.

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ARTICLE

Numerical and Experimental Study of UHPC Beams with Square and Rectangular Openings Reinforced with Steel Plates

Hayder SH Hudaib, Hayder MJ Al-Khafaji

In the present work an integrated experimental and computational method is used to explore the structural performance of ultra-high-performance concrete (UHPC) beams with square and rectangular transverse

Indian Journal of Engineering, 2026, 23(60), e9ije1721

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Effect of Microstructure on the Oxidation Behavior and Thermal Shock Resistance of Ti-17 Alloy

Eman S Obaid, Ekbal Mohammed Saeed Salih, Saad Hameed Al-Shafaie

The microstructure features of Ti-17 titanium alloy are very important to its mechanical properties and high-temperature life. In this work, the effect of compositional changes on the microstructure, hardness and oxidation resistance

Indian Journal of Engineering, 2026, 23(60), e10ije1717

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Synergistic (Fe₂O₃ + NiO)/Alumina Catalyst for Hydrogen Peroxide- Based Oxidative Desulfurization of Petroleum Fuel under Ultrasonic Irradiation: Kinetic and Catalytic Study

Mohammed K Salih, Ghassan Hassan AbdulRazzaq, Jasim I Humadi

To achieve a clean, pollution-free environment, given the health and environmental hazards of sulfur, it is essential to identify effective methods for reducing its concentration to the lowest internationally permissible levels

Indian Journal of Engineering, 2026, 23(60), e11ije1728

Abstract | PDF