International Journal of Recent Trends in Engineering & Research

online ISSN

Flexural Behavior of Geopolymer Ferro Cement Panels with the Incorporation of Crumb Rubber and Nano Fly Ash

Publication Date : 22/03/2019

DOI : 10.23883/IJRTER.CONF.20190322.016.Y61ZY

Author(s) :

Muthukumar A , Dr. R. Mohana.

Conference Name :
1st International Conference on New Scientific Creations in Engineering and Technology - 2019

Abstract :

This paper presents the application of geopolymer mortar incorporating into the Ferro cement panel with enhanced properties by incorporating crumb rubber and Nano fly ash. The cement free mortar is prepared by using industrial wastes such as fly ash and ground granulated blast furnace slag (GGBFS) called as geopolymer mortar which helps to reduce the level of CO 2 emission. Also, the recycled tyre crumb rubber is utilized as a sustainable construction material with partial substitution for sand. It helps to reduce land fill problems and air pollution. Crumb rubber having the capacity of absorbing more energy from static and other loads. In this research, geopolymer mortar is made by using the basic constituents such as fly ash, GGBFS, alkaline liquid made of NaOH and Na2SiO3, Nano fly ash. The effort has been made to enhance the strength of fly ash based geopolymer mortar by incorporation of GGBFS. The molarity of alkaline solution, solution to binder ratio and Na2SiO3 to NaOH ratio is fixed as 12, 0.4 and 1.5 throughout the process. The 5% crumb rubber is used instead of sand for enhancing the strength and for better ductility without affecting the strength. The panel was heat cured under hot air oven at 80ᵒ C for 48 hours. The mechanical properties such as compressive and tensile strength and water absorption are investigated. The Ferro cement panel is made of high strength geopolymer mortar and expanded metal mesh for enhancing the ductility and energy absorption capacity. The 2 layers of expanded metal mesh and 2 layers of chicken mesh are used. The investigation involves finding the initial crack load, ultimate failure load and residual flexural strength ratio. The Nano fly ash helps in i ncreasing the strength and durability of the element by its pore filling capability.

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