[HTML][HTML] Effect of alkali activated limestone-silica fume blended precursor on performance enhancement of recycled aggregate concrete

AAKA Al Sayed, QF Al-Waked, SMM Shawky… - Case Studies in …, 2023 - Elsevier
Abstract The utilization of Recycled Aggregates (RA) from Construction and Demolition
(C&D) waste, has been reported to be an efficient way of dealing with the environmental …

[HTML][HTML] Flexural behavior of strengthened concrete beams with multiple retrofitting systems

MM Attia, BA Abdelsalam, DE Tobbala… - Case Studies in …, 2023 - Elsevier
Due to material deterioration, structure age, changes in building function, fault design, and
decreased structural reliability brought on by natural catastrophes, it may require to …

Nonlinear behavior of bonded and unbonded two-way post-tensioned slabs pre-strengthened with CFRP laminates

MM Attia, AHH Khalil, GN Mohamed, MF Samaan… - Buildings, 2022 - mdpi.com
In this study, hybrid nonlinear finite element models (FEM) were developed to examine the
flexural performance and the ultimate load capacity of bonded and unbonded two-way …

[HTML][HTML] Behavior of Hybrid Natural Fiber Reinforced Polymers Bars Under Uniaxial Tensile Strength and Pull-Out Loads with UHPC

MM Attia, MM Olwan, E Amoush, SRRH Aamer… - Case Studies in …, 2024 - Elsevier
This study evaluated the uniaxial tensile strength and bond performance of natural hybrid
reinforcement bars. Hybrid FRP combines multiple fibers and matrixes, resulting in a …

Examining Mechanical Property Differences in Concrete with Natural and Synthetic Fiber Additives

WF Edris, S Elbialy, A El-Zohairy, AM Soliman… - Journal of Composites …, 2024 - mdpi.com
The rapid growth of Natural Fiber Laminate (NFL) innovation is a direct response to
environmental challenges, positioning these materials as superior alternatives to synthetic …