▎ 摘　　要

NOVELTY - Graphene oxide ultra-high performance concrete with low cement content, comprises 100 pts. wt. cement, 30-50 pts. wt. silica fume, 60-120 pts. wt. fly ash, 10-50 pts. wt. slag powder, 80-120 pts. wt. quartz sand, 30-50 pts. wt. water, 20-50 pts. wt. steel fiber, 2-10 pts. wt. water reducing agent, and 1-10 pts. wt. graphene oxide. USE - Used as ultra-high performance concrete. ADVANTAGE - The graphene oxide promotes cement hydration, improves the early and late strength of concrete, improves the interface conditions of the matrix and steel fiber, increases its binding strength, and then improves the concrete flexural strength, can improve the pore structure of concrete, makes concrete more dense, improves the strength of concrete, avoids the strength shrinkage of concrete caused by steam curing, and thus improves the durability of concrete. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing ultra-high performance concrete with low cement content, comprising: (i) adding quartz sand into a mixer for dry stirring, adding cement and silica fume, fly ash and slag powder, dry mixing, uniformly mixing water, water reducing agent and graphene oxide dispersion, wet stirring, adding the steel fiber and stirring; (ii) pouring the above-mentioned stirred materials in two layers into the plastic test mold and vibrating each layer; (iii) vibrating, covering the plastic wrap in time, placing it in a standard curing room for a period of time, then removing the mold, steam curing, and finally moving into the standard curing room for curing to the detection age.