Ahmed H. U., (2014), Influence of Hydrated Lime Addition on Self-Healing Capability of High-Volume Fly Ash Incorporated Cementitious Composites, M.Sc. Thesis, Hasan Kalyoncu University, Gaziantep, Turkey.
Yildirim, G., Sahmaran, M., & Ahmed, H. U. (2015). Influence of hydrated lime addition on the self-healing capability of high-volume fly ash incorporated cementitious composites. Journal of Materials in Civil Engineering, 27(6), 04014187. https://doi.org/10.1061/(ASCE)MT.1943-5533.0001145
Boiny, H. U., Alshkane, Y. M., & Rafiq, S. K. (2016, October). Mechanical properties of cement mortar by using polyethylene terephthalate fibers. In 5th National and 1st International Conference on Modern Materials and Structures in Civil Engineering, Iran (Islamic Republic of Iran).
Alshkane, Y. M., Rafiq, S. K., & Boiny, H. U. (2017). Correlation between Destructive and Non-Destructive Tests on the Mechanical Properties of Different Cement Mortar Mixtures incorporating Polyethylene Terephthalate Fibers. Sulaimania Journal for Engineering Sciences, 4(5). https://doi.org/10.17656/sjes.10058
Ahmed, H. U., ABDULLAH, W. A., Omar, S. M., ALSHKANE, Y. M., & MAHMOOD, A. O. (2020). Practical Field Investigation to Indicate Common Flexible Pavement Distresses that Occur in the Malik Mahmood Ring Road-Sulaimaniyah City. Journal of Duhok University, 23(2), 173-182.
Muhamad, B., Karim, H. K., & Ahmed, H. U. (2020). Effects of Traffic Violation and Demographic Characteristics on Traffic Safety in Sulaymaniyah City. Sulaimani Journal for Engineering Sciences, 7(3), 228-240.
Omar, S. M., Sharif, B. M., Ahmed, H. U., & Abdullah, W. A. (2021). Comparison Study between Marshall and Superpave Mix Design Methods. Halabja University Journal, 6(1), 348-365. https://doi.org/10.32410/huj-10376
Abdullah, W. A., Ahmed, H. U., Alshkane, Y. M., Rahman, D. B., Ali, A. O., & Abubakr, S. S. (2021). The Possibility of Using Waste PET Plastic Strip to Enhance the Flexural Capacity of Concrete Beams. Journal of Engineering Research, 9. https://doi.org/10.36909/jer.v9iICRIE.11649
Ahmed, H. U., Faraj, R. H., Hilal, N., Mohammed, A. A., & Sherwani, A. F. H. (2021). Use of recycled fibers in concrete composites: A systematic comprehensive review. Composites Part B: Engineering, 108769. https://doi.org/10.1016/j.compositesb.2021.108769
Faraj, R. H., Mohammed, A. A., Mohammed, A., Omer, K. M., & Ahmed, H. U. (2021). Systematic multiscale models to predict the compressive strength of self-compacting concretes modified with nanosilica at different curing ages. Engineering with Computers, 1-24. https://doi.org/10.1007/s00366-021-01385-9
Ahmed, H. U., Mohammed, A. S., Mohammed, A. A., & Faraj, R. H. (2021). Systematic multiscale models to predict the compressive strength of fly ash-based geopolymer concrete at various mixture proportions and curing regimes. Plos one, 16(6), e0253006. https://doi.org/10.1371/journal.pone.0253006
Mohammed, A. A., Ahmed, H. U., & Mosavi, A. (2021). Survey of Mechanical Properties of Geopolymer Concrete: A Comprehensive Review and Data Analysis. Materials, 14(16), 4690. https://doi.org/10.3390/ma14164690
Hamah Sor, N., Hilal, N., Faraj, R. H., Ahmed, H. U., & Sherwani, A. F. H. (2021). Experimental and empirical evaluation of strength for sustainable lightweight self-compacting concrete by recycling high volume of industrial waste materials. European Journal of Environmental and Civil Engineering, 1-18. https://doi.org/10.1080/19648189.2021.1997827
Ahmed, H. U., Mohammed, A. A., Rafiq, S., Mohammed, A. S., Mosavi, A., Sor, N. H., & Qaidi, S. (2021). Compressive Strength of Sustainable Geopolymer Concrete Composites: A State-of-the-Art Review. Sustainability, 13(24), 13502. https://doi.org/10.3390/su132413502
Faraj, R. H., Ahmed, H. U., & Sherwani, A. F. H. (2022). Fresh and mechanical properties of concrete made with recycled plastic aggregates. In Handbook of Sustainable Concrete and Industrial Waste Management (pp. 167-185). Woodhead Publishing. https://doi.org/10.1016/B978-0-12-821730-6.00023-1
Sharif, H. H., Ahmed, H. U., Faraj, R. H., Mawlod, A. O., (2021). Fresh and Mechanical Characteristics of Eco-efficient Geopolymer Concrete Incorporating Nano-silica: An Overview. Kurdistan Journal of Applied Research, 64-74. https://doi.org/10.24017/science.2021.2.6
Ahmed, H. U., Mohammed, A. A., & Mohammad, A. S. (2022). The role of nanomaterials in geopolymer concrete composites: A state-of-the-art review. Journal of Building Engineering, 104062. https://doi.org/10.1016/j.jobe.2022.104062
Qaidi, S. M., Tayeh, B. A., Zeyad, A. M., de Azevedo, A. R., Ahmed, H. U., & Emad, W. (2022). Recycling of mine tailings for the geopolymers production: A systematic review. Case Studies in Construction Materials, e00933. https://doi.org/10.1016/j.cscm.2022.e00933
Ahmed, H.U., Abdalla, A.A., Mohammed, A.S., Mohammed, A.A., & Mosavi, A. (2022). Statistical Methods for Modeling the Compressive Strength of Geopolymer Mortar. Materials, 15, 1868. https://doi.org/10.3390/ma15051868
Qaidi, S. M., Tayeh, B. A., Isleem, H. F., de Azevedo, A. R., Ahmed, H. U., & Emad, W. (2022). Sustainable utilization of red mud waste (bauxite residue) and slag for the production of geopolymer composites: A review. Case Studies in Construction Materials, e00994. https://doi.org/10.1016/j.cscm.2022.e00994.
Sor, N. H., Ali, T. K. M., Vali, K. S., Ahmed, H. U., Faraj, R. H., Bheel, N., & Mosavi, A. (2022). The behavior of sustainable self-compacting concrete reinforced with low-density waste Polyethylene fiber. Materials Research Express, 9(3), 035501. 10.1088/2053-1591/ac58e8
Ahmed, H. U., Mohammed, A. S., Faraj, R. H., Qaidi, S. M., & Mohammed, A. A. (2022). Compressive strength of geopolymer concrete modified with nano-silica: Experimental and modeling investigations. Case Studies in Construction Materials, e01036. https://doi.org/10.1016/j.cscm.2022.e01036
Faraj, R. H., Ahmed, H. U., Rafiq, S., Sor, N. H., Ibrahim, D. F., & Qaidi, S. M. (2022). Performance of Self-Compacting Mortars Modified with Nanoparticles: A Systematic Review and Modeling. Cleaner Materials, 100086. https://doi.org/10.1016/j.clema.2022.100086
Faraj, R. H., Mohammed, A. A., Omer, K. M., Ahmed, H. U. (2022). Soft computing techniques to predict the compressive strength of green self-compacting concrete incorporating recycled plastic aggregates and industrial waste ashes. Clean Techn Environ Policy. https://doi.org/10.1007/s10098-022-02318-w
Ahmed, H. U., Mohammed, A. S., & Mohammed, A. A. (2022). Proposing several model techniques including ANN and M5P-tree to predict the compressive strength of geopolymer concretes incorporated with nano-silica. Environmental Science and Pollution Research, 1-25. https://doi.org/10.1007/s11356-022-20863-1
Ahmed, H. U., Mohammed, A. A., & Mohammed, A. (2022). Soft computing models to predict the compressive strength of GGBS/FA-geopolymer concrete. PloS one, 17(5), e0265846. https://doi.org/10.1371/journal.pone.0265846
Ahmed, H. U., Mohammed, A. S., & Mohammed, A. A. (2022). Multivariable models including artificial neural network and M5P-tree to forecast the stress at the failure of alkali-activated concrete at ambient curing condition and various mixture proportions. Neural Computing and Applications, 1-24. https://doi.org/10.1007/s00521-022-07427-7
Ahmed, H.U., Mohammed, A. S., Qaidi, S. M. A., Faraj, R. H., Sor, N. H., & Mohammed, A. A. (2022). Compressive strength of geopolymer concrete composites: a systematic comprehensive review, analysis and modeling. European Journal of Environmental and Civil Engineering. https://doi.org/10.1080/19648189.2022.2083022
Qaidi, S. M., Mohammed, A. S., Ahmed, H. U., Faraj, R. H., Emad, W., Tayeh, B. A., ... & Sor, N. H. (2022). Rubberized geopolymer composites: A comprehensive review. Ceramics International. https://doi.org/10.1016/j.ceramint.2022.06.123
Akeed, M. H., Qaidi, S., Ahmed, H. U., Faraj, R. H., Mohammed, A. S., Emad, W., Tayeh, B. A., & Azevedo, A. R. (2022). Ultra-high-performance fiber-reinforced concrete. Part I: Developments, principles, raw materials. Case Studies in Construction Materials, 17, e01290. https://doi.org/10.1016/j.cscm.2022.e01290
Akeed, M. H., Qaidi, S., Ahmed, H. U., Faraj, R. H., Mohammed, A. S., Emad, W., Tayeh, B. A., & Azevedo, A. R. (2022). Ultra-high-performance fiber-reinforced concrete. Part II: Hydration and microstructure. Case Studies in Construction Materials, 17, e01289. https://doi.org/10.1016/j.cscm.2022.e01289
Akeed, M. H., Qaidi, S., Ahmed, H. U., Emad, W., Faraj, R. H., Mohammed, A. S., ... & Azevedo, A. R. (2022). Ultra-high-performance fiber-reinforced concrete. Part III: Fresh and hardened properties. Case Studies in Construction Materials, 17, e01265. https://doi.org/10.1016/j.cscm.2022.e01265
Akeed, M. H., Qaidi, S., Ahmed, H. U., Faraj, R. H., Mohammed, A. S., Emad, W., ... & Azevedo, A. R. (2022). Ultra-high-performance fiber-reinforced concrete. Part IV: Durability properties, cost assessment, applications, and challenges. Case Studies in Construction Materials, e01271. https://doi.org/10.1016/j.cscm.2022.e01271
Akeed, M. H., Qaidi, S., Ahmed, H. U., Faraj, R. H., Majeed, S. S., Mohammed, A. S., Emad, W., ... & Azevedo, A. R. (2022). Ultra-high-performance fiber-reinforced concrete. Part V: Mixture design, preparation, mixing, casting, and curing. Case Studies in Construction Materials, 17, e01363. https://doi.org/10.1016/j.cscm.2022.e01363
Ahmed, H. U., Mahmood, L. J., Muhammad, M. A., Faraj, R. H., Qaidi, S. M., Sor, N. H., ... & Mohammed, A. A. (2022). Geopolymer concrete as a cleaner construction material: An overview on materials and structural performances. Cleaner Materials, 100111. https://doi.org/10.1016/j.clema.2022.100111
Qaidi, S., Al-Kamaki, Y. S., Al-Mahaidi, R., Mohammed, A. S., Ahmed, H. U., Zaid, O., ... & Bennetts, I. (2022). Investigation of the effectiveness of CFRP strengthening of concrete made with recycled waste PET fine plastic aggregate. PloS one, 17(7), e0269664. https://doi.org/10.1371/journal.pone.0269664
Qaidi, S. M., Atrushi, D. S., Mohammed, A. S., Ahmed, H. U., Faraj, R. H., Emad, W., ... & Najm, H. M. (2022). Ultra-high-performance geopolymer concrete: A review. Construction and Building Materials, 346, 128495. https://doi.org/10.1016/j.conbuildmat.2022.128495
Qaidi, S. M., Tayeh, B. A., Ahmed, H. U., & Emad, W. (2022). A review of the sustainable utilisation of red mud and fly ash for the production of geopolymer composites. Construction and Building Materials, 350, 128892. https://doi.org/10.1016/j.conbuildmat.2022.128892
Ahmed, H. U., Abdalla, A. A., Mohammed, A. S., & Mohammed, A. A. (2022). Mathematical modeling techniques to predict the compressive strength of high-strength concrete incorporated metakaolin with multiple mix proportions. Cleaner Materials, 5, 100132. https://doi.org/10.1016/j.clema.2022.100132
Ahmed, H. U., Mostafa, R. R., Mohammed, A., Sihag, P., & Qadir, A. (2022). Support vector regression (SVR) and grey wolf optimization (GWO) to predict the compressive strength of GGBFS-based geopolymer concrete. Neural Computing and Applications, 1-18. https://doi.org/10.1007/s00521-022-07724-1
Ghafor, K., Ahmed, H. U., Faraj, R. H., Mohammed, A. S., Kurda, R., Qadir, W. S., ... & Abdalla, A. A. (2022). Computing Models to Predict the Compressive Strength of Engineered Cementitious Composites (ECC) at Various Mix Proportions. Sustainability, 14(19), 12876. https://doi.org/10.3390/su141912876
Qaidi, S., Najm, H. M., Abed, S. M., Ahmed, H. U., Al Dughaishi, H., Al Lawati, J., ... & Milad, A. (2022). Fly ash-based geopolymer composites: A review of the compressive strength and microstructure analysis. Materials, 15(20), 7098. https://doi.org/10.3390/ma15207098
Qaidi, S., Yahia, A., Tayeh, B. A., Unis, H., Faraj, R., & Mohammed, A. (2022). 3D printed geopolymer composites: A review. Materials Today Sustainability, 100240. https://doi.org/10.1016/j.mtsust.2022.100240
Ahmed, H. U., Ibrahim, D. F., Mustafa, R. O., & Faraj, R. H. (2022). Synthesis and characterization of Nano ashes from different waste materials and their effects on the compressive strength of sustainable concrete: A systematic review. Sulaimania Journal for Engineering Sciences, 9(2). https://doi.org/10.17656/sjes.10153
Ahmed, H.U., Faraj, R.H., Hamah Sor, N., Qaidi, S.M.A. (2023). Cleaner Production of Green Geopolymer Concrete. In: Baskar, C., Ramakrishna, S., Daniela La Rosa, A. (eds) Encyclopedia of Green Materials. Springer, Singapore. https://doi.org/10.1007/978-981-16-4921-9_139-1
Ahmed, H. U., Mohammed, A. S., Faraj, R. H., Abdalla, A. A., Qaidi, S., Sor, N. H., & Mohammed, A. A. (2023). Innovative modeling techniques including MEP, ANN and FQ to forecast the compressive strength of geopolymer concrete modified with nanoparticles. Neural Computing and Applications, 1-27. https://doi.org/10.1007/s00521-023-08378-3
Ahmad, S. A., Rafiq, S. K., Ahmed, H. U., Abdulrahman, A. S., & Ramezanianpour, A. M. (2023). Innovative soft computing techniques including artificial neural network and nonlinear regression models to predict the compressive strength of environmentally friendly concrete incorporating waste glass powder. Innovative Infrastructure Solutions, 8(4), 119. https://doi.org/10.1007/s41062-023-01089-7
Ahmed, H. U., Mohammed, A. A., & Mohammed, A. S. (2023). Effectiveness of nano-SiO2 on the mechanical, durability, and microstructural behavior of geopolymer concrete at different curing ages. Archives of Civil and Mechanical Engineering, 23(2), 1-28. https://doi.org/10.1007/s43452-023-00668-w
Jafr, F. S., Mohammed, A. A., & Ahmed, H. U. (2023). Surface Area Model to Assess the Plastic Aggregate Concrete Properties. Tikrit Journal of Engineering Sciences, 30(1), 130-142. https://doi.org/10.25130/tjes.30.1.13
Ahmed, H. U., Mohammed, A. A., & Mohammed, A. S. (2023). Effectiveness of Silicon Dioxide Nanoparticles (Nano SiO2) on the Internal Structures, Electrical Conductivity, and Elevated Temperature Behaviors of Geopolymer Concrete Composites. Journal of Inorganic and Organometallic Polymers and Materials, 1-21. https://doi.org/10.1007/s10904-023-02672-2
Ahmad, S. A., Ahmed, H. U., Ahmed, D. A., Hamah-ali, B. H. S., Faraj, R. H., & Rafiq, S. K. (2023). Predicting concrete strength with waste glass using statistical evaluations, neural networks, and linear/nonlinear models. Asian Journal of Civil Engineering, 1-13. https://doi.org/10.1007/s42107-023-00692-4
Mohammed, A. S., Jaf, D. K. I., Abdulrahman, P. I., & Kurda, R. (2023). Effitioned soft computing models to evaluate the impact of silicon dioxide (SiO2) to calcium oxide (CaO) ratio in fly ash on the compressive strength of concrete. Journal of Building Engineering, 106820. https://doi.org/10.1016/j.jobe.2023.106820
Saleh, PY, Jaf, DKI, Abdalla, AA, Ahmed, HU, Faraj, RH, Mahmood, W, et al. Prediction of the compressive strength of strain-hardening cement-based composites using soft computing models. Structural Concrete. 2023. https://doi.org/10.1002/suco.202200769
Ahmed, H. U., Mohammed, A. S., & Mohammed, A. A. (2023). Engineering properties of geopolymer concrete composites incorporated recycled plastic aggregates modified with nano-silica. Journal of Building Engineering, 106942. https://doi.org/10.1016/j.jobe.2023.106942
Ahmed, H. U., Faraj, R. H., Hassan, A. Q., Mohammad, Y. O., Omer, K. M., Mohammed, A. S., & Mohammed, A. A. (2023). Green synthesis of nano-silica from olivine rock and its impact on the mechanical performance of geopolymer concrete composites. Innovative Infrastructure Solutions, 8(7), 202. https://doi.org/10.1007/s41062-023-01171-0
Ahmed, H. U., Mohammed, A. S., & Mohammed, A. A. (2023). Fresh and mechanical performances of recycled plastic aggregate geopolymer concrete modified with Nano-silica: Experimental and computational investigation. Construction and Building Materials, 394, 132266. https://doi.org/10.1016/j.conbuildmat.2023.132266