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The Influence of Lime as Partial Replacement of Cement on Strength Characteristics of Concrete

4th November, 2020

Having chosen to use hydraulic lime in the cement clay sculpture and I finally managed to downloaded and read an article investigating lime as a part replacement for cement.

This is the abstract to the PDF:

“The present paper has investigated the compressive strength and shear bond strength behaviour of hydraulic lime cement concrete and mortar. Concrete of M-30 was made using Ordinary Portland cement, which was partially replaced by hydraulic lime at varying percentages ranging from 0% to 35% in concrete and 0% to 100% in mortar. There is critical issue with this type of cement replacement i.e. the change in physical properties of concrete and mortar. This research looks at the change in physical properties of concrete when cement is replaced by lime with respect to compressive strength in concrete and shear bond strength in mortar. The results from this research study show a linear diminution in strength with linear increase in the relative % age of lime to cement. The shear bond strength of triplet specimen was increased with increase in lime content in mortar. The compressive strength of lime concrete cube specimens were increases when the replacement of lime up to 15% and with higher percentage, strength decreases considerably. Index Terms-compressive strength, shear bond strength, linear diminution, lime concrete, lime mortar.”

Verma, Hemanshu & Maurya, Narendra & Faldu, Smeet & Thakur, Rambha. (2019). The Influence of Lime as Partial Replacement of Cement on Strength Characteristics of Mortar and Concrete Mixes. 6. 326-332.

Basically, providing I don’t exceed 15% lime, adding lime will improve both tensile and compressive strength.

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