Original ResearchPublished 22 September 2026Mechanical strength prediction of steel fiber-reinforced recycled aggregate concrete: model accuracy and key influencing parametersWafaa Abbas Hasan · Alaa Jaleel Naji · Ali Jaafar Dakhil · Wael Hamd · Firas Barraj · Ali JahamiFrontiers in Built Environmentdoi 10.3389/fbuil.2026.1952751