A Study on Effect of Grading of Coarse Aggregate on Compressive Strengthof Pozzolona Pervious Concrete

V. Vinay*, S. Chandramouli**, G. Pratyusha***
*,****Department of Civil Engineering, MVGR College of Engineering (A), Vizianagram, India.
***Department of Civil Engineering, AU College of Engineering (A), Visakhapatnam, India.
Periodicity:June - August'2019


In the present study, an attempt has been made to investigate compressive strength of pervious concrete (PC) made with different combinations of aggregate sizes (20mm, 12.5 mm and 10 mm) and fly-ash (class-F). Four combinations of aggregate namely A1 (50% of 20 mm, 20% of 12.5 mm and 30% of 10 mm); A2 (60% of 20mm, 20% of 12.5 mm and20% of 10 mm); A3(40% of 20mm, 30% of 12.5 mm and 30% of 10 mm) and A4(20% of20mm , 40% of 12.5 mm and 40% of 10 mm) are considered where asfly-ash forreplacement of cement by weight is considered asFC1 (10% of fly-ash); FC2 (20% of fly ash), FC3( 25% fly ash) , FC4 (30% fly ash). The basic physical properties of the various ingredients of PC are determined in the laboratory and they are within the limits as per Indian Standard code of practice. The water binder ratio is considered as 0.35. The maximum cement content is considered as 450 kg/m3. Standard cube specimens (150mmx150mmx150mm) are used for determining compressive strength. The total numbers of cubes casted for all combinations are 48.The compressive strength values obtained for various combinations are in the range of 3.7 MPa to 11.11 MPa. A1 combination of aggregate is showing higher rates of strength when compared to other combinations and at 30% of fly-ashreplacementhavehigher strengthof the magnitude 11.11 MPa.


Pervious Concrete, Supplementary Cement Materials, Fly-Ash, Permeability, Compressive Strength

How to Cite this Article?

Vinay. V., Chandramouli, S., Adiseshu, S., & Pratyusha, G. (2019). A Study on Effect of Grading of Coarse Aggregate on Compressive Strengthof Pozzolona Pervious Concrete, i-manager's Journal on Structural Engineering, 8(2), 26-33.


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