摘要:This paper presents the chloride ion penetration and diffusion capability of ternary blended concrete made with various water cement ratios. Ternary blended concrete is made with various combinations of microsilica (MS) and fly ash (FA) for water-binder ratio of 0.55, 0.45 and 0.35. A total of five combinations such as 5% micro-silica + 15% fly ash, 5% micro-silica + 20% fly ash, 10% micro-silica + 15% fly ash , 10% micro-silica + 20% fly ash and 0% micro-silica + 0% fly ash by weight of cement were studied for compressive strength, chloride ion permeability and pore structure analysis. It was found that 5% micro-silica + 15% fly ash showed better performance due to due to well-developed pore structure and microstructure.