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The Correlation between Aggregate Shape and Compressive Strength of Concrete: Digital Image Processing Approach

Rýza Polat1, Mehrzad Mohabbi Yadollahi1, A Emre Sagsoz2, and Seracettin Arasan1
1. Department of Civil Engineering, Ataturk University, Erzurum, Turkey
2. Pasinler Vocational of High School, Ataturk University, Erzurum, Turkey

Abstract—The importance of the shape of aggregate particles on their mechanical behavior is well recognized. In concrete, the shape of aggregate particles has been related to durability, workability, shear resistance, tensile strength, stiffness, and fatigue behavior. In recent years, Digital Image Processing (DIP) techniques are widely used to analyze the particle shape characteristics of aggregate. In this study, the shape characteristics such as aspect ratio, elongation, flatness, form factor, roundness, shape factor, and sphericity were determined with digital image processing. Also, unit weight, slump, ultrasonic pulse velocity and compressive strength of concrete were determined. The test results indicated that there is a good correlation between the some shape properties of aggregate and compressive strength. 

Index Terms—aggregate shape, digital image processing, concrete, compressive strength

Cite: Rýza Polat, Mehrzad Mohabbi Yadollahi, A Emre Sagsoz, and Seracettin Arasan, "The Correlation between Aggregate Shape and Compressive Strength of Concrete: Digital Image Processing Approach," International Journal of Structural and Civil Engineering Research, Vol. 2, No. 3, pp. 62-80, August 2013.