Studies on Durability Properties of Pervious Concrete Using Recycled Aggregate
摘要
This study investigates the durability properties of pervious concrete incorporating recycled aggregates, focusing on its potential to facilitate groundwater recharge and enhance environmental sustainability. The primary objective is to evaluate the performance of M20 grade pervious concrete designed with up to 20% recycled aggregates and ground granulated blast furnace slag (GGBS). This study evaluates M20 grade pervious concrete with up to 20% recycled aggregates and ground granulated blast furnace slag (GGBS). It focuses on durability, including resistance to acid and sulfate attacks, sorptivity, and the optimal proportion of recycled aggregates. Findings indicate that incorporating recycled aggregates up to a specific threshold maintains structural integrity and durability while providing environmental benefits. This research involves creating permeable concrete samples using aggregate compositions with 6–14 mm sieve size. After many trial mixes, it is observed that compressive strength of pervious concrete was optimized to achieve target mean strength by addition of GGBS at 5%. Durability parameters such as sorptivity coefficient, acid attack factor, acid durability factor, resistance to sulfate attack and permeability coefficient has been found.