Development of pervious concrete with non-metallic part from recycling of printed circuit boards as constituent

Abstract

This research studied the use of Non - Metallic Part (NMP) from recycling of printed circuit boards as fine aggregate to partially replace natural fine aggregate in pervious concrete production at 10% , 20% , 30% , 40% and 50% by weight. Two sizes of coarse aggregate were 4 – 8 mm and 8 – 16 mm, to study mechanical property and permeability of pervious concrete compared with conventional pervious concrete. The result indicated that the compressive strength of only pervious concrete with NMP replacement increased as much as 89% when compared to conventional pervious concrete with fine aggregate because small-sized NMP filled in pore in concrete. In addition, when the porosity decreased, the permeability of concrete decreased as well. The optimal amounts of NMP replacement were 40% for aggregate size 4 – 8 mm and 20% for aggregate size 8 – 16 mm by fine aggregate weight.