Arabic 
English On Thursday, April 18, 2024, the College of Engineering witnessed a scientific discussion in the Civil Engineering Department at the College of Engineering at the University of Kirkuk for a master’s thesis titled:
(The Durability of Sulfate Resisting Concrete Containing Mineral Additives at a Certain Temperature).
By researcher (Sherine Jalil Seif Allah) and under the supervision of Professor Dr. Muayyad Muhammad Qasim, teaching in the Department of Civil Engineering at our college.
This research includes studying the possibility of improving the efficiency and performance of concrete exposed to dilute sulfuric acid solutions by using moisture repellent additives (WP), high-activity silica foam (SF), fly ash (FA), and nanosilica (NS) as a partial substitute for cement, and studying the possibility of concrete containing additives from Reducing the deterioration of concrete under the influence of sulfuric acid.
For this purpose, 9 concrete mixtures were prepared, each of which consisted of 48 cubes. The cubes were divided into three groups, one of which was placed in the North Gas Company in Kirkuk (for testing in field conditions), where it was exposed to a temperature of 150°C with 98% concentrated sulfuric acid vapor. The other two groups were completely immersed in diluted sulfuric acid solutions at two concentrations of 2.5% and 5% for a period of 90 days and 180 days (for testing in laboratory conditions).
Tests were conducted for precipitation and density of fresh concrete, compressive and splitting strength, permeability, depth of water penetration, absorbency, absorption after immersion, and change in weight of hardened concrete.
The results showed that the use of pozzolanic additives led to a significant improvement in all properties of concrete exposed to sulfuric acid in tests under laboratory and field conditions. The results also showed that the deterioration is more apparent in the samples that contain iron nails fixed to the face of the samples, and that the rate of change in weight is more apparent in those samples. The results also showed positive results for the samples that were placed at the North Gas Company. Where the strength, splitting, and change in weight are reduced compared to their counterparts in the laboratory.
The discussion committee consisted of:
-Dr. Hassan Jassim Muhammad Hamid / Tikrit University / President
- Dr. Ali Ihsan Salah al-Din / University of Kirkuk / Member
- Dr. Muhammad Kamal Ali/ University of Kirkuk/ Member
- Dr. Muayyad Muhammad Qasim / University of Kirkuk / Member and main supervisor
- Dr. Ghazwan Abdul Samad Salman / Ministry of Higher Education and Scientific Research / member and secondary supervisor
