Utilizing coal combustion bottom ash as a sustainable alternative to natural aggregate in eco-friendly building bricks
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Abstract
As a substitute for fried clay and stone powder-cement bricks, this study developed novel green bricks based on coal-combustion bottom ash (CCBA) obtained from a thermal power plant in Vietnam. By using varied replacement amounts of stone powder at 0, 10, 20, 30, and 40% in weight, ten brick compositions with water-to-binder (w/b) ratios of 0.35 and 0.40 were developed. Testing was done on the bricks' characteristics, such as compressive strength, ultrasonic pulse velocity, water absorption, water permeability, electrical resistance, and thermal conductivity. The findings showed that increasing CCBA content or w/b ratio has a negative impact on the characteristics of unburnt bricks. However, all the brick samples made for this investigation performed exceptionally well when compared to the requirements of the national Vietnamese standard. The brick samples produced in this study are recommended to apply in real practice.
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References
American Association of State Highway and Transportation Officials. (2015). Standard method of test for electrical indication of concrete’s ability to resist chloride ion penetration (AASTHO T277), https://tieuchuanxaydung.vsqi.gov.vn/tieuchuan/view?sohieu=AASHTO%20T%20277:2015
American Society of Testing Materials. (2022). Standard test method for pulse velocity through concrete (ASTM C597). https://www.astm.org/c0597-22.html
Bai, Y., Darcy, F. & Basheer, P.A.M. (2005). Strength and drying shrinkage properties of concrete containing furnace BA as fine aggregate. Construction and Building Materials, 19, 691-697. https://doi.org/10.1016/j.conbuildmat.2005.02.021
Carcaño, R. S., & Moreno, E. I. (2008). Evaluation of concrete made with crushed limestone aggregate based on UPV. Construction and Building Materials, 22, 1225-1231. https://doi.org/10.1016/j.conbuildmat.2007.01.014
Freidin, C. (2017). Cementless pressed blocks from waste products of coal-firing power station. Construction and Building Materials, 21(1), 12-18. https://doi.org/10.1016/j.conbuildmat.2005.08.002
Kim, K.H., Jeon, S.E., Kim, J.K. & Yang, S. (2003). An experimental study on thermal conductivity of concrete. Cement and Concrete Research, 33, 363-371. https://doi.org/10.1016/S0008-8846(02)00965-1
Kou, S. C., & Poon, C. S. (2009). Properties of concrete prepared with crushed fine stone, furnace BA and fine recycled aggregate as fine aggregates. Construction and Building Materials, 23, 2877-2886. https://doi.org/10.1016/j.conbuildmat.2009.02.009
Kurama, H., & Kaya, M. (2008). Usage of coal combustion bottom ash in concrete mixture. Construction and Building Materials, 22(9), 1922-1928. https://doi.org/10.1016/j.conbuildmat.2007.07.008
Lawane, A., Minane, J. R., Vinai, R., & Pantet, A. (2019). Mechanical and physical properties of stabilised compressed coal bottom ash blocks with inclusion of lateritic soils in Niger. Scientific African, 6, e00198. https://doi.org/10.1016/j.sciaf.2019.e00198
Ministry of Science and Technology (Vietnam). (2016). Concrete brick (TCVN 6477:2016). https://storethinghiem.vn/tcvn-6477-2016-gach-be-tong
Morris, W., Vico, A., Vazquez, M., & Sanchez, S.R. (2002). Corrosion of reinforcing steel evaluated by means of concrete resistivity measurements. Corrosion Science, 44(1), 81–99. https://doi.org/10.1016/S0010-938X(01)00033-6
Naganathan, S., Mohamed, A.Y.O. & Mustapha, K.N. (2015). Performance of bricks made using fly ash and bottom ash. Construction and Building Materials, 96, 576-580. https://doi.org/10.1016/j.conbuildmat.2015.08.068
Ngo, S. H. (2020). Evaluation of the engineering properties of fly ash-based geopolymer bricks. International Journal of Civil Engineering and Technology, 11(2), 43-51. https://ssrn.com/abstract=3540196
Ngo, S. H., Le, T. T. T., & Huynh, T. P. (2020). Effects of NaOH concentrations on properties of thermal power plant ashes-bricks by alkaline activation. Journal of Wuhan University of Technology-Mater. Sci. Ed. 35, 131-139. https://doi.org/10.1007/s11595-020-2236-2
Ngo, S. H., Le, T. T. T., & Huynh, T. P. (2018). Effect of unground rice husk ash on properties of sodium hydroxide-activated-unfired building bricks. International Journal of Civil Engineering and Technology, 9(9), 1582-1592. http://iaeme.com/Home/issue/IJCIET?Volume=9&Issue=9
Pahroraji, M. E. H. M., Saman, H. M., Rahmat, M. N., & Kamaruddin, K. (2020). Properties of coal ash foamed brick stabilised with hydrated lime-activated ground granulated blast furnace slag. Construction and Building Materials, 235, 117568. https://doi.org/10.1016/j.conbuildmat.2019.117568
Singh, M., & Siddique, R. (2014). Compressive strength, drying shrinkage and chemical resistance of concrete incorporating coal bottom ash as partial or total replacement of sand. Construction and Building Materials, 68, 39-48. https://doi.org/10.1016/j.conbuildmat.2014.06.034
Sutcu, M., Erdogmus, E., Gencel, O., Gholampour, A., Atan, E., & Ozbakkaloglu, T. (2019). Recycling of bottom ash and fly ash wastes in eco-friendly clay brick production. Journal of Cleaner Production, 233, 753-764. https://doi.org/10.1016/j.jclepro.2019.06.017
Uysal, H., Demirboğa, R., Şahin, R., & Gül, R. (2004). The effect of different cement dosages, slumps, and pumice aggregate ratios on thermal conductivity and density of concrete. Cement and Concrete Research, 34, 845-848. https://doi.org/10.1016/j.cemconres.2003.09.018
Vinai, R., Lawane, A., Minane, J. R., & Amadou, A. (2013). Coal combustion residues valorization: Research and development on compressed brick production. Construction and Building Materials, 40, 1088-1096. https://doi.org/10.1016/j.conbuildmat.2012.11.096
Zhang, L. (2013). Production of bricks from waste materials - A review. Construction and Building Materials, 47, 643-655. https://doi.org/10.1016/j.conbuildmat.2013.05.04