Stress-Strain Behavior of Confined Class C Fly Ash-Based Geopolymer Concrete

Galih Syifa’ul Ummah, Bambang Piscesa, Yuyun Tajunnisa

Abstract


Fly ash-based geopolymer cement has recently attracted attention due to its application potential, as well as being an alternative binder with low emissions compared to conventional portland cement in concrete production. Studies intended on the mechanical properties and behaviors of structural elements produced from class C fly ash-based geopolymer concrete are important to improve the implementation. This study aimed to determine the effect of confinement on the behavior of class C fly ash-based geopolymer concrete and portland cement-based concrete. 6 specimens were made with class C fly ash-based geopolymer concrete tested under axial loading. Then, 6 specimens were made with ordinary portland cement-based concrete for comparison. The variable considered in this study is the pitch of confinement. The effect of the pitch of confinement on the enhancement strength and stress-strain of class C fly ash-based geopolymer concrete was obtained. The analytical model proposed by Richard et al. was selected to evaluate the ultimate compressive strength and ultimate compressive strain of confined geopolymer concrete in this study. The results showed that confinement reinforcement improved the strength and ductility of class C fly ash-based geopolymer concrete.


Keywords


Class c fly ash; Confinement; Enhancement strength; Geopolymer concrete; Stress-strain

Full Text:

PDF

References


N. P. Rajamane, M. C. Nataraja, J. K. Dattatreya, N. Lakshmanan, and D. Sabitha, “Sulphate resistance and eco-friendliness of geopolymer concretes,” Indian Concr. J., vol. 86, no. 1, pp. 13–22, 2012.

J. Davidovits, “Properties of Geopolymer Cements,” First Int. Conf. Alkaline Cem. Concr., pp. 131–149, 1994.

S. Hanjitsuwan, S. Hunpratub, P. Thongbai, S. Maensiri, V. Sata, and P. Chindaprasirt, “Effects of NaOH concentrations on physical and electrical properties of high calcium fly ash geopolymer paste,” Cem. Concr. Compos., vol. 45, pp. 9–14, 2014.

P. Topark-Ngarm, P. Chindaprasirt, and V. Sata, “Setting Time, Strength, and Bond of High-Calcium Fly Ash Geopolymer Concrete,” J. Mater. Civ. Eng., vol. 27, no. 7, pp. 1–7, 2015.

Y. Tajunnisa, M. Sugimoto, T. Sato, and M. Shigeishi, “A study on factors affecting geopolymerization of low calcium fly ash,” Int. J. GEOMATE, vol. 13, no. 36, pp. 100–107, 2017.

R. Bayuaji, A. K. Yasin, T. E. Susanto, and M. S. Darmawan, “A review in geopolymer binder with dry mixing method (geopolymer cement),” AIP Conf. Proc., vol. 1887, no. July, 2017.

N. A. Husin, R. Bayuaji, Y. Tajunnisa, M. S. Darmawan, and P. Suprobo, “Performance of high calcium fly ash based geopolymer concrete in chloride environment,” Int. J. GEOMATE, vol. 19, no. 74, pp. 107–113, 2020.

Y. N. Wibowo, B. Piscesa, and Y. Tajunnisa, “Numerical Investigation of Geopolymer Reinforced Concrete Beams Under Flexural Loading Using 3Dnlfea,” J. Civ. Eng., vol. 37, no. 1, p. 27, 2022.

N. A. Husin, “The Effect of Admixture Variations on Workability and Compressive Strength of Geopolymer Concrete Fly Ash Based With High Calcium Content,” Int. J. GEOMATE, vol. 22, no. 92, pp. 116–123, 2022.

Y. Tajunnisa, N. A. Husin, S. Darmawan, R. Bayuaji, R. B. Darmawan, and A. A. Cahyani, “Performance of Workability and Compressive Strength on Self-Compacting Geopolymer Concrete Based On High-Calcium Fly Ash With Addictive Admixture,” IPTEK J. Eng., vol. 9, no. 1, p. 1, 2023.

M. S. Mansur, P. Suprobo, Y. Tajunnisa, and A. Kumala, “An Experiment of Shear Strength Reinforced Geopolymer Concrete Beam Based High-Calcium Fly Ash with Varian Shear Span-to-Depth Ratio,” J. Civ. Eng., vol. 38, no. 3, pp. 139–145, 2023.

Y. Tajunnisa, N. A. Husin, A. Kusbiantoro, A. Daffa Azmi, K. Fadilah Ashara, and M. Shigeishi, “Performance Changes in Mass and Compressive Strength of High-Calcium Fly Ash Based Geopolymer Concrete Due to Sodium Sulphate Exposure,” IPTEK J. Eng., vol. 10, no. 1, p. 1, 2024.

T. Phoo-Ngernkham, C. Phiangphimai, N. Damrongwiriyanupap, S. Hanjitsuwan, J. Thumrongvut, and P. Chindaprasirt, “A Mix Design Procedure for Alkali-Activated High-Calcium Fly Ash Concrete Cured at Ambient Temperature,” Adv. Mater. Sci. Eng., vol. 2018, 2018.

N. Ganesan, R. Abraham, S. Deepa Raj, and D. Sasi, “Stress-strain behaviour of confined Geopolymer concrete,” Constr. Build. Mater., vol. 73, pp. 326–331, 2014.

P. Chindaprasirt, P. De Silva, K. S. Crentsil, and S. Hanjitsuwan, “Effect of SiO2 and Al2O3 on the setting and hardening of high calcium fly ash-based geopolymer systems,” J. Mater. Sci., vol. 47, no. 12, pp. 4876–4883, 2012.

U. Rattanasak and P. Chindaprasirt, “Influence of NaOH solution on the synthesis of fly ash geopolymer,” Miner. Eng., vol. 22, no. 12, pp. 1073–1078, 2009.

S. Pangdaeng, T. P. Ngernkham, V. Sata, and P. Chindaprasirt, “Influence of curing conditions on properties of high calcium fly ash geopolymer containing Portland cement as additive,” Mater. Des., vol. 53, pp. 269–274, 2014.

A. Palomo, A. F. Jiménez, G. Kovalchuk, L. M. Ordoñez, and M. C. Naranjo, “Opc-fly ash cementitious systems: Study of gel binders produced during alkaline hydration,” J. Mater. Sci., vol. 42, no. 9, pp. 2958–2966, 2007.

J. R. Yost, A. Radlińska, S. Ernst, and M. Salera, “Structural behavior of alkali activated fly ash concrete. Part .Mixture design, material properties and sample fabrication,” Mater. Struct. Constr., vol. 46, no. 3, pp. 435–447, 2013.

D. Hardjito and B. V Rangan, “Development and Properties of Low-calcium Fly Ash Based Geopolymer Low-Calcium Fly Ash-Based Geopolymer Concrete By Faculty of Engineering Curtin University of Technology,” Aust. Univ. Technol. Perth, no. January, p. 48, 2005.

R. Park and T. Paulay, “Reinforced Concrete Structures - Park_Paulay.” pp. 1–783, 1975.

R. L. Richart, F. Erwin, Brandtzaeg, Anton, and Brown, “A study of the failure of concrete under combined compressive stresses,” Univ. Illinois. Eng. Exp. Station. Bull., vol. 26, p. 12, 1928.

S. Popovics, “A Numerical Approach To The Complete Stress-Strain Curveof Concrete,” Cem. Concr. Res., vol. 3, no. 5, pp. 583–599, 1973.

J. B. Mander, M. J. N. Priestley, and R. Park, “Theorical Strss-Strain Model for Confined Concrete,” J. Struct. Eng, vol. 114, no. 8, pp. 1804–1826, 1988.




DOI: http://dx.doi.org/10.12962/j23378557.v10i2.a20757

Refbacks

  • There are currently no refbacks.


Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License. IPTEK The Journal of Engineering published by Pusat Publikasi Ilmiah, Institut Teknologi Sepuluh Nopember. 

 

Please contact us for order or further information at: email: iptek.joe[at]gmail.com Fax/Telp: 031 5992945. Editorial Office Address: Pusat Riset Building 6th floor, ITS Campus, Sukolilo, Surabaya 60111, Indonesia.