JOURNAL PUBLICATIONS

1. M.F. Alnahhal, A. Hamdan, A. Hajimohammadi, A., Castel, T. Kim. Hydrothermal synthesis of sodium silicate from rice husk ash: Effect of synthesis on silicate structure and transport properties of alkali-activated concrete. Cement and Concrete Research, 178 (2024): 107461,  https://doi.org/10.1016/j.cemconres.2024.107461.
2. A. Hamdan, H. Song, Z. Yao, M.F. Alnahhal, T. Kim, A. Hajimohammadi, Modifications to reactions mechanisms, phase assemblages and mechanical properties of alkali-activated slags induced by gypsum addition. Cement and Concrete Research. 174 (2023): 107311, https://doi.org/10.1016/j.cemconres.2023.107311
3. A. Hamdan, A. Hajimohammadi, B. Njegic, T. Kim, The changes in the reaction kinetics and phase assemblage of sodium silicate-activated CaO-MgO-Al₂O₃-SiO₂ glasses induced by the Al replacement by Mg, Cement and Concrete Research.166 (2023): 107103, https://doi.org/10.1016/j.cemconres.2023.107103
4. A. Hamdan, A. Hajimohammadi, A. Rawal, T. Kim, The intrinsic role of network modifiers (Ca versus Mg) in the reaction kinetics and microstructure of sodium silicate-activated CaO-MgO-Al₂O₃-SiO₂ glasses, Cement and Concrete Research. 164 (2023) 107058. https://doi.org/10.1016/j.cemconres.2022.107058.
5. A. Hamdan, T. Kim, A. Hajimohammadi, Quantitative description of the effect of slag surface area on its reaction kinetics in sodium silicate-activated materials, RILEM Technical Letters. 7 (2022) 150–158. https://doi.org/10.21809/rilemtechlett.2022.167.
6. A. Hamdan, T. Kim, A. Hajimohammadi, F.M. Alnahhal, A. Rawal, Synthesis of chemically controlled cementitious materials using organic steric entrapment (OSE) method: Process, advantages, and characterisation, Cement and Concrete Research. 153 (2022). https://doi.org/10.1016/j.cemconres.2021.106698.
7. M.F. Alnahhal, A. Hamdan, A. Hajimohammadi, T. Kim, Effect of rice husk ash-derived activator on the structural build-up of alkali activated materials, Cement and Concrete Research. 150 (2021) 106590. https://doi.org/10.1016/j.cemconres.2021.106590.
8. A. Hamdan, Stress concentration factors (SCFS) in circular hollow section CSH-to-H-shaped section welded T-joints under axial compression, Civil Engineering Journal 5.1 (2019): 33-47. http://doi.org/10.28991/cej-2019-03091223.

CONFERENCE PRESENTATIONS

1. A. Hamdan, C. E. White, Exploring the potential changes in the morphology and nanostructure of cement hydrates due to the application of electric field excluding the joule-heating effect. 14^th Advances in Cement-Based Materials. The American Ceramic Society’s Cements Division. June 19-21, 2024 at Missouri S&T in Rolla, MO, US.
2. I. Al-Damad, A. Hamdan, T. Kim, S. Foster, A. Kashani, A. Hajimohammadi, Exploring the Potential for Developing Economical and Sustainable Cemented Paste Backfill using Mine Wastes. Concrete Institute of Australia’s Biennial National Conference. September 2023, Perth Australia.
3. T. Kim, A. Hamdan, A. Hajimohammadi, Effects of Mg on the reactivity of CaO-MgO-Al₂O₃-SiO₂ glasses in the sodium silicate activated systems. DuRSAAM2023 Symposium February 2023, Ghent, Belgium.
4. A. Hamdan, Taehwan Kim, Ailar Hajimohammadi, Quantitative description of the effect of surface areas of precursors on the reaction kinetics of alkali-activated slag. 76th RILEM Annual Week and International Conference on Regeneration and Conservation of Structures (ICRCS 2022), September 2022 Kyoto Japan.
5. A. Hamdan, Taehwan Kim, Ailar Hajimohammadi, Reaction kinetics in alkali-activated slag: The role of minor oxides. Concrete Institute of Australia’s Biennial National Conference. September 2021, Perth, Australia.