▎ 摘　　要

NOVELTY - A recycled masonry mortar comprises 40-70 wt.% recycled aggregate, 5-30 wt.% cement, 0-20 wt.% fly ash, 0.5-5 wt.% aluminum slag, 0.01-0.5 wt.% graphene oxide, 0-3 wt.% composite additive and 10-30 wt.% water. USE - Recycled masonry mortar used for civil engineering applications. ADVANTAGE - The recycled masonry mortar is micro-porous and has excellent toughening and shrinkage reducing effect, workability, durability and high strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the recycled masonry mortar.