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The aim is to evaluate the impact of fly ash as a partial cement replacement on concrete's mechanical and durability properties.

May 9, 2026Open Access

Effect of Fly Ash as Partial Replacement of Cement on Mechanical and Durability Properties of Concrete: An Experimental Investigation

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Experimental investigation shows fly ash improves concrete strength and durability for sustainable construction.

The aim is to evaluate the impact of fly ash as a partial cement replacement on concrete's mechanical and durability properties.
Conducted experiments using concrete mixes with 0%, 5%, 10%, 15%, and 20% fly ash replacement.
Tested compressive strength, flexural strength, split tensile strength, water absorption, and rapid chloride permeability.
Performed microstructural analysis using scanning electron microscopy at 28 days.
10% fly ash replacement achieved a 28-day compressive strength of 25.0 MPa and a 90-day strength of 33.1 MPa.
Water absorption measured at 3.4% and rapid chloride permeability at 890 Coulombs with 10% fly ash.
Higher replacement levels beyond 15% led to a decrease in compressive strength at 28 days but were acceptable for low-demand applications at 90 days.

Rajesh Kumar Sharma, Priya Nair, Anil Verma (2026) studied this question.

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May 9, 2026Open Access

View Full Paper

Ask AI

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Authors

Experimental investigation shows fly ash improves concrete strength and durability for sustainable construction.

The aim is to evaluate the impact of fly ash as a partial cement replacement on concrete's mechanical and durability properties.
Conducted experiments using concrete mixes with 0%, 5%, 10%, 15%, and 20% fly ash replacement.
Tested compressive strength, flexural strength, split tensile strength, water absorption, and rapid chloride permeability.
Performed microstructural analysis using scanning electron microscopy at 28 days.
10% fly ash replacement achieved a 28-day compressive strength of 25.0 MPa and a 90-day strength of 33.1 MPa.
Water absorption measured at 3.4% and rapid chloride permeability at 890 Coulombs with 10% fly ash.
Higher replacement levels beyond 15% led to a decrease in compressive strength at 28 days but were acceptable for low-demand applications at 90 days.

Rajesh Kumar Sharma, Priya Nair, Anil Verma (2026) studied this question.

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