Amelioration of Compressive Stress-Strain and Flexural Behavior of Fiber-Reinforced Eco-Friendly Nanocomposites for Sustainable Development
Abstract views: 22 / PDF downloads: 4
Keywords:
Mechanical Performance, Micro-Fibers, Nanocomposites, Compressive Strength, NanoparticlesAbstract
Geopolymer (GP) mortars offer a highly suitable alternative to cement for sustainable and eco
friendly construction within the concrete industry. To apply fiber-reinforced (FRF) GP mortars practically,
it's crucial to enhance their mechanical and microstructural properties through the inclusion of micro-fibers
and nano-particles. This study focuses on improving the mechanical performance of micro basalt-FRF fly
ash-based GP mortars by incorporating varying dosages of nano-Titania. Four distinct levels of Titania
(from 1% to 4%) were tested to produce GP mortars containing 2 wt.% micro-basalt fibers (MBF). A control
sample without Titania added and containing 2% MBF was also made for comparison. Results from this
study showed that adding 3% Titania to the micro basalt-FRF-GP mortar led to improvements of 28.06 in
compressive strength, 61.4% in flexural strength, and 8.5% in elastic modulus. Therefore, incorporating
Titania effectively enhances the mechanical properties of FRF-GP mortar.
Downloads
References
Wang, J., et al., Study on the optimum initial curing condition for fly ash and GGBS based geopolymer recycled aggregate concrete. Construction and Building Materials, 2020. 247: p. 118540.
Ali, N., et al., Evaluation of the 12–24 mm basalt fibers and boron waste on reinforced metakaolin-based geopolymer. Construction and Building Materials, 2020. 251: p. 118976.
Mehta, A. and R. Siddique, Properties of low-calcium fly ash based geopolymer concrete incorporating OPC as partial replacement of fly ash. Construction and Building Materials, 2017. 150: p. 792-807.
Patel, Y.J. and N. Shah, Development of self-compacting geopolymer concrete as a sustainable construction material. Sustainable Environment Research, 2018. 28(6): p. 412-421.
Ranjbar, N. and M. Zhang, Fiber-reinforced geopolymer composites: A review. Cement and Concrete Composites, 2020. 107: p. 103498.
Provis, J.L. and S.A. Bernal, Geopolymers and related alkali-activated materials. Annual Review of Materials Research, 2014. 44: p. 299-327.
Adesina, A., Performance and sustainability overview of alkali-activated self-compacting concrete. Waste Disposal & Sustainable Energy, 2020: p. 1-11.
Duxson, P., et al., Geopolymer technology: the current state of the art. Journal of materials science, 2007. 42(9): p. 2917-2933.
Zhuang, X.Y., et al., Fly ash-based geopolymer: clean production, properties and applications. Journal of Cleaner Production, 2016. 125: p. 253-267.
Luhar, S., I. Luhar, and R. Gupta, Durability performance evaluation of green geopolymer concrete. European Journal of Environmental and Civil Engineering, 2020: p. 1-49.
Salim, M.U. and M.A. Mosaberpanah, The mechanism of alkali-aggregate reaction in concrete/mortar and its mitigation by using geopolymer materials and mineral admixtures: a comprehensive review. European Journal of Environmental and Civil Engineering, 2021: p. 1-41.
Al Safi, A.A., Blast furnace slag-based geopolymer mortars cured at different conditions: modeling and optimization of compressive strength. European Journal of Environmental and Civil Engineering, 2019: p. 1-13.
Alomayri, T., A. Raza, and F. Shaikh, Effect of nano SiO2 on mechanical properties of micro-steel fibers reinforced geopolymer composites. Ceramics International, 2021.
Wang, Y., S. Hu, and Z. He, Mechanical and fracture properties of geopolymer concrete with basalt fiber using digital image correlation. Theoretical and Applied Fracture Mechanics, 2021. 112: p. 102909.
Pham, T.M., Enhanced properties of high-silica rice husk ash-based geopolymer paste by incorporating basalt fibers. Construction and Building Materials, 2020. 245: p. 118422.
Timakul, P., W. Rattanaprasit, and P. Aungkavattana, Improving compressive strength of fly ash-based geopolymer composites by basalt fibers addition. Ceramics International, 2016. 42(5): p. 6288-6295.