Dr. Mohammed Saber Abdul Hassan and Dr. Aqeel Hatem Jakhior, faculty members in the Civil Engineering Department at the College of Engineering, University of Basrah, published a research paper in the journal Civil and Environmental Engineering (indexed in Scopus Q3) entitled  Effect of Incorporating Hematite Powder on the Properties of High Strength Fiber Reinforced Concrete

This research investigates the effect of hematite powder on the properties of high-strength fiber-reinforced concrete, such
as compressive strength, tensile strength and modulus of elasticity. Different types of steel fiber have been used in this
study, end hooked steel fiber and corrugated steel fiber, and hematite powder API. The study was conducted through two
stages. The first stage is to find and verify the ratio and type of steel fiber that can give the highest improvement in the
properties of the concrete. The ratios 0.5%, 1% and 1.5% end hooked steel fiber,1.5% of corrugated steel fiber, and 1.5%
of mixed steel fiber (50% end hooked and 50% corrugated) have been used. The second stage was conducted to find the
best ratio of hematite powder can be added as a cement replacement to enhance the properties of the high-strength fiber-
reinforced concrete. Six percentages of hematite 0.5%, 1%, 1.5%, 2.5%, 3.5% and 5% were used. The results showed that
using hematite powder ratio of up to 2.5% with mixed steel fiber led to an enhancement of the properties of the concrete,
where the increment was 27.5% and 41.3% for compressive and tensile strength, respectively, and the modulus of
elasticity was increased by 11.4%.

https://reference-global.com/article/10.2478/cee-2026-0026