▎ 摘　　要

NOVELTY - Preparation of high strength oxidized graphene/carbon nanotube building concrete comprises ultrasonic dispersing oxidized graphene in water phase, configuring dispersion to 0.05-2 g/L graphene oxide content, adding ferrous nano-catalyst, hydrothermal reacting under ultrasonic conditions, stirring for 15 minutes, cooling, centrifuging, washing, drying, chemical vapor depositing to obtain graphene oxide additive, mixing 20-35 pts. wt. water reducing agent and 80-120 pts. wt. oxidized graphene dispersion, ultrasonic mixing, dispersing, adding 0.0005-0.0025 pt. wt. air entraining agent and 0.0005-0.0025 pt. wt. defoamer, stirring to obtain graphene modified agent, adding graphene oxide additive to N-methyl pyrrolidone, mixing, adding to mesoporous glass microbeads, dispersing, pressurizing, drying, adding thickening stabilizer, oxidized graphene modified water reducing agent and cement-base defoamer including calcium oxide, mixing, adding water, mixing, molding for 24 hours, and demolding. USE - Method for preparing high strength oxidized graphene/carbon nanotube building concrete. ADVANTAGE - The concrete has excellent performance, and has reduced agglomeration phenomenon.