▎ 摘　　要

NOVELTY - Concrete comprises comprises 2-4 pts. wt. hydrophilic modified hyperbranched sulfonate surfactant SHBP-1, 0.5-0.8 pts. wt. N-(2-hydroxyethyl)guanidine, 0.8-1.2 pts. wt. sulfonated ethylene propylene diene monomer rubber, 15-25 pts. wt. cement, 0.5-1.5 pts. wt. graphene-coated nano-aluminum powder, 8-10 pts. wt. coal slag, 8-12 pts. wt. water, 30-35 pts. wt. fine river sand and 40-45 pts. wt. gravel. USE - The early strength concrete is useful for rush repair engineering and construction of the construction or the built project is carried out by the engineering emergency repair. ADVANTAGE - The early strength concrete has excellent durability and corrosion resistance, and excellent anti-seepage anti-cracking performance, and is environment-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation method of early strength concrete for emergency repair engineering.