Experimental Assessment of Mechanical and Durability Properties of Rigid Pavement Concrete using Stone Dust and Brick Dust as Fine Aggregate Substitutes

Author(s)	Mr. DURGA PRASAD GOWTHU, Ms. S DIVYA TEJA, VABILISETTI
Country	India
Abstract	Now a day’s fine aggregate(sand) is very expensive; so that by adding admixtures like brick dust and stone dust as partial replacement in fine aggregate would give better saving and environment free. This project consists of a partial replacement of fine aggregate with stone dust and brick dust in cement concrete for rigid pavement. In this project I have added two types of admixtures named as brick dust and stone dust in cement concrete mix. Here brick dust and stone dust is added in cement concrete mix with a percentage variation of 5%, 10%, 15%, 20% and 25%. By adding brick dust and stone dust there was a variation in test results of compressive strength, flexural strength and tensile strength. The strength increased when the admixtures content increased up to 20% replacement in cement concrete. Therefore it is better admixture to use in a rigid pavement construction in civil engineering and also overall cost may also reduce to 14.64% cost of cement concrete.
Keywords	Brick dust, Coarse aggregate, Compressive strength, Fine aggregate, Flexural strength, Spilt tensile strength, Stone dust.
Field	Engineering
Published In	Volume 17, Issue 1, January-March 2026
Published On	2026-03-14

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