Author

Firas Barraj

3 papers indexed here

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Open access Sep 2026

Selected properties and life cycle assessment of mortars incorporating municipal solid waste bottom ash and silica fume for sustainable construction

The use of municipal solid waste bottom ash (MSWBA) as a sustainable alternative construction material is an effective approach to reduce natural resource depletion and advance circular economy concepts. The combined effects of MSWBA as a partial replacement of natural fine aggregate and silica fume (SF) as a supplem...

Fouadi AlZaatiti, Abdulkader El-Mir, Firas Barraj et al. · Frontiers in Built Environme... · 0 citations

Open access Sep 2026

Mechanical strength prediction of steel fiber-reinforced recycled aggregate concrete: model accuracy and key influencing parameters

Recycled coarse aggregate (RCA) can reduce natural-resource consumption and construction-waste disposal. However, adhered mortar, high porosity, and weak interfacial transition zones may impair the mechanical performance of recycled aggregate concrete. Steel fibers can partially offset these deficiencies by improvi...

Wafaa Abbas Hasan, A. J. Naji, A. J. Dakhil et al. · Frontiers in Built Environme... · 0 citations

Open access Aug 2026

Mechanical performance of concrete pavement with recycled asphalt powder and optimized aggregate gradation

The construction sector is a major contributor to environmental degradation, with cement manufacturing accounting for a significant portion of global CO 2 emissions. This study explores the partial replacement of cement with reclaimed asphalt pavement (RAP) powder as a sustainable alternative to conventional concre...

Firas Barraj, Georges Chalouhi, W. Arairo et al. · Frontiers in Built Environme... · 0 citations