Durability and Abrasion Resistance of Innovative Recycled Pervious Concrete with Recycled Coarse Aggregate of Different Quality under Sulfate Attack

Construction and demolition wastes (C&DWs) have raised a large number of ecological environmental problems. Recycling C&DWs into arecycled concrete aggregate (RCA) will help save natural resources effectively reduce the negative impact C&DW on environment. Innovative pervious (IPC) can mitigate extreme weather disasters, such as rainstorms, overcome low strength poor durability traditional concrete. In this study, innovative recycled (IRPC) is prepared by combining RCA with IPC, which has broad application prospects friendliness. This study investigates effect quality grades replacement rates mechanical property, permeability, sulfate resistance abrasion IRPC. IRPC mixtures were three different (high, medium qualities) aggregates named NA, RCA1 RCA2. Moreover, rate for NA varied 0%, 25%, 50%, 75% 100%. The specimens tested compressive strength, mass loss after wetting-drying cycles 0, 30 60. results exhibited that initial all types was more than 40 MPa. most increased first then decreased slightly passage cycles, indicating good to attack. Sulfate attack addition However, when lower better (attached mortar content < 25%), be improved under experimental might useful reference design methodology employing in pavement applications future.