Paper Title

COMPRESSIVE AND FLEXURAL STRENGTH BEHAVIOR OF PERVIOUS CONCRETE WITH MARGINAL AGGREGATES

Abstract

Pervious concrete is increasingly being adopted as a sustainable pavement material due to its ability to facilitate groundwater recharge and reduce surface runoff. However, the scarcity of high-quality aggregates and the rising cost of conventional materials have encouraged the exploration of low-quality or marginal aggregates in its production. This study investigates the compressive and flexural strength characteristics of pervious concrete prepared using low-quality aggregates. Various concrete mixes were developed by partially or fully replacing conventional aggregates with marginal aggregates, and their mechanical performance was evaluated through standard laboratory tests. The results indicate that although the use of low-quality aggregates leads to a reduction in strength compared to conventional mixes, optimized mix proportions can still achieve acceptable structural performance for low to moderate load-bearing applications. Additionally, the study highlights the balance between strength and permeability, emphasizing the importance of proper gradation and binder content. The findings suggest that the use of marginal aggregates in pervious concrete can be a cost-effective and environmentally responsible alternative, particularly in regions where high-quality materials are limited.
KEYWORDS : Pervious concrete, low-quality aggregates, compressive strength, flexural strength.