Exploring the impact of graphene oxide on mechanical and durability properties of mortars incorporating demolition waste: micro and nano-pore structure effects





Construction and demolition waste aggregate, Nano-graphene oxide, Mechanical properties, Porosity, Acid attack


In this study is explored the use of construction and demolition waste as fine aggregate in mortars. The addition of nano-graphene oxide (0.1%wt) has also been evaluated. Tests were conducted to determine their density, humidity content, water absorption capacity and open void porosity (using water absorption) and the micro and nano-porosity using Hg intrusion and N2 absorption techniques, as well as their flexural and compressive strength and resistance to acid attacks. The mechanical properties of mortars manufactured with standard sand were better (30%) than made with waste aggregate. Mortars with both aggregates can be classified as M20. Nano-Graphene oxide acts as a filler, reducing the volume of macro and micro pores, thereby increasing the mechanical performance, especially when recycled aggregates are used (30% the flexural strength for recycled aggregates and 4% for standard sand). The addition of nano-graphene oxide reduces the transmission channels of acid within mortar.




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Author Biographies

Cristina Chacón Bonet, Department of Chemical and Environmental Engineering. University of Seville



Hector Cifuentes Bulte, Department of Continuum Mechanics and Structural Analysis. University of Seville



Yolanda Luna-Galiano, Department of Chemical and Environmental Engineering. University of Seville



Jose David Rios, Department of Mechanical, Energy and Materials Engineering. University of Extremadura



Pilar Ariza, Department of Continuum Mechanics and Structural Analysis. University of Seville




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How to Cite

Chacón Bonet, C., Cifuentes Bulte, H. ., Luna-Galiano, Y., Rios, J. D., Ariza, P., & Carlos, C. L. (2023). Exploring the impact of graphene oxide on mechanical and durability properties of mortars incorporating demolition waste: micro and nano-pore structure effects. Materiales De Construcción, 73(352), e327. https://doi.org/10.3989/mc.2023.351623



Research Articles

Funding data

Junta de Andalucía
Grant numbers US-1266248;P18-RT-1485