Experimental Investigation to enhance the strength and access the Permeability of Geopolymer permeable concrete using variable head method

Author(s)	Prof. RAJMOHAN R, Ms. YUVASRI M, Mr. VINITH R, Mr. MAHIR M, Mr. KITTU G
Country	India
Abstract	This research aims to conduct comprehensive assessment of engineering attributes of Geopolymer permeable concrete. This investigation is to development of Geopolymer permeable concrete using mineral admixtures (Metakaolin (MK), GGBS and fly ash) as raw material and Sodium hydroxide (NaOH) and Sodium silicate solution (Na2SiO3) as activator. the activator solution to binder ratio is fixed at 0.4 (AL/B = 0.4). With a focus on systematically varying key parameters and incorporating different aggregate sizes (10mm&12mm). The primary objectives encompass enhancing compressive strength in Permeable concrete structures, and conducting a comprehensive analysis of the material performance characteristics. Utilizing a Geopolymer binder consisting of MK, Fly ash, GGBS (60:20:20-Trial 1 & 40:20:40- Trial 2), Sodium hydroxide to Sodium silicate solution ratio is 2.5(NaOH/Na2SiO3=2.5) with molarity of 10. The purpose of this research is to study the compressive strength test and water permeability test.
Keywords	Geopolymer, MK, GGBS, fly ash, Sodium hydroxide (NaOH) and Sodium silicate solution (Na2SiO3)
Field	Engineering
Published In	Volume 8, Issue 3, May-June 2026
Published On	2026-05-05

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