Prospective utilisation of hydrated lime as a performance enhancer in concrete

Abstract

This research examines the effects of using a combination of Ground Granulated Blast furnace Slag (GGBS) and Hydrated Lime (HL) as alternative cement ingredients on the mechanical and microstructural properties of ternary mixed concrete (Ordinary Portland Cement (OPC)+GGBS+HL). The OPC was replaced with GGBS in increments of 10% from 10% to 70%, while HL was substituted at levels ranging from 0% to 20% in increments of 10%. The results showed that the highest compressive strength (56.20 MPa), split tensile strength (4.25 MPa), and flexural strength (5.58 MPa) were observed for the ternary concrete mixture containing 60% OPC, 30% GGBS, and 10% HL with 0.36 water binder ratio after 28 days of curing.

KEYWORDS:

• Hydrated lime
• ground granulated blast furnace slag
• compressive strength
• mechanical properties
• microstructure

Acknowledgements

The researchers would also wish to acknowledge the Vellore Institute of Technology, Chennai Campus, India, for their appropriate support in completing this research.

Disclosure statement

No potential conflict of interest was reported by the author(s).