Abstract
Abstract: A type of concrete with a high void or porosity that allows water to penetrate through it is called pervious concrete. Pervious concrete behavior was examined using various sizes of aggregate (20mm and 10mm), weight/concentration ratios (0.34 & 0.28), super plasticizers (Aura mix 400 & Conplast SP 430) and different percentages of fiber (i.e. 1% & 2%). Compressive strength, flexural strength, permeability test criteria were used to describe the similarity. The results show that decreasing the w/c ratio from 0.34 to 0.28 results in a moderate increase in strength and super plasticizer (Conplast SP 430) provides good strength. The addition of fiber, at 1% by weight of cement, significantly increased strength. However, porosity was the most important factor in calculating the efficiency of porous concrete, which was affected by the addition of a certain percentage of fiber. The findings of this study provided useful information about the effectiveness of w/c ratio, super plasticizer and fiber in achieving the optimal strength, drain ability balance suitable for various urban uses.
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