Full-Time Research Associates

Research Topic

• Interface Strengthening of Fiber Metal Laminates

Journal & Conference Publications

2023

• Saken Sandybay, Zarina Onopriyenko, Vladislav Galiulin, Umut Bakhbergen†, Chang-Seon Shon, Dichuan Zhang, Jong Ryeol Kim. "Metallurgical slag wastes into pervious geopolymer concrete stabilized with CO2 capture," The 13th International Conference on Key Engineering Materials (ICKEM2023), Istanbul, Türkiye, March 24-26, 2023. https://doi.org/10.1016/j.matpr.2023.07.366 

• Assem Kushzhanova, Moldir Raiymbek, Chukwuwike Mike Ogwumeh, Umut Bakhbergen†, Chang-Seon Shon, Dichuan Zhang, Jong Ryeol Kim "Freeze-Thaw resistance and mechanical properties of UHPC reinforced with a lower amount of hybrid fibers," The 13th International Conference on Key Engineering Materials (ICKEM2023), Istanbul, Türkiye, March 24-26, 2023. https://doi.org/10.1016/j.matpr.2023.09.177

2022

• Umut Bakhbergen, Chang-SeonShon†, Dichuan Zhang, Jong R. Kim, and Jenny Liu, “Optimization of mixture parameter for physical and mechanical properties of reactive powder concrete under external sulfate attack using Taguchi method ” Construction and Building Materials, Vol. 362, 129023, 2022. https://doi.org/10.1016/j.conbuildmat.2022.129023 

• Umut Bakhbergen, Chang-SeonShon†, Dichuan Zhang, Kirill Kryzhanovskiy, and Jong R. Kim, “Assessment of reactive powder concrete subjected to three different sodium sulfate concentrations: compressive strength, absorption, porosity, microstructure, and durability,” Construction and Building Materials, Vol. 325, 126804, 2022. https://doi.org/10.1016/j.conbuildmat.2022.126804

2021

• Islam Orynbassarov, Chang Seon Shon†, Jong Ryeol Kim, Umut Bektimirova, and Aidyn Tugelbayev “How efficient are LC3 and GGBFS-contained mortar mixtures submerged into Na2SO4 solution against external sulfate attack at an early age?,” 11th International Conference on Key Engineering Materials (ICKEM 2021), Moscow, Russia, March 26-29, 2021. ttps://doi.org/10.4028/www.scientific.net/KEM.902.145

2020

• Umut Bektimirova†, Eldar Sharafutdinov, Chang-Seon Shon, Dichuan Zhang, and Jong R. Kim, “Statistical analysis of sulfate attack resistance of reactive powder concrete," 15th International Conference on Durability of Building Materials and Components, Barcelona, Spain, October 20-23, 2020.

2019

• Umut Bektimirova, Islam Mukhammedrakhym, Chang-Seon Shon, Dichuan Zhang, and Jong Kim, “Effect of Aggregate Packing on Strength of Reactive Powder Concrete: Modeling and Experimental Evaluation,” 8th International Conference on Material Science and Engineering Technology (ICMSET 2019), Singapore, October 19-21, 2019. doi:10.4028/www.scientific.net/MSF.998.299 

2018

• Umut Bektimirova, Chang-Seon Shon†, Dichuan Zhang†, Eldar Sharafutdinov, and Jong R. Kim, “Proportioning and Characterization of Reactive Powder Concrete for an Energy Storage Pile Application,” Applied Sciences, Vol.8, No.12, 2507; 2018. https://doi.org/10.3390/app8122507, IF=2.474

• Umut Bektimirova, Eldar Sharafutdinov, Chang-Seon Shon†, Dichuan Zhang, and Jong Kim, “Optimization of Compressive Strength of Reactive Powder Concrete for An Energy Storage Pile Application Using Response Surface Method,” 7th International Conference on Material Science and Engineering Technology (ICMSET 2018), Beijing, China, October 20-22, 2018. https://doi.org/10.4028/www.scientific.net/MSF.950.117 

2017

•  Umut Bektimirova†, Aidana Tleuken, Elnara Satekenova, Chang-Seon Shon, Dichuan Zhang, and Jong Ryeol Kim, “Preliminary Experimental Investigation on the Strength and Air Permeability of Reactive Powder Concrete,” 6th International Conference on Material Science and Engineering Technology (ICMSET 2017), Seoul, South Korea, October 20-22, 2017. doi:10.4028/www.scientific.net/MSF.917.321