▎ 摘　　要

NOVELTY - Preparation of concrete involves mixing butyl titanate and ethylene glycol, adding rare earth acetate salt, nano-diatomaceous earth, water-soluble vanadium salt, graphene, 3-(2,3-epoxypropoxy)propyl trimethoxysilane, citric acid, ethanol and water, stirring, dripping ammonia, drying, calcining to prepare a precursor, contacting cyclodextrin, water and precursor to obtain concrete additive, adding cement, sand, gravel and water and curing. USE - Preparation of concrete (claimed). ADVANTAGE - The method enables simple preparation of concrete with improved anti-freezing property and anti-cracking property.