▎ 摘　　要

NOVELTY - C70 high performance graphene oxide concrete comprises 314.5 pts. wt. cement, 166 pts. wt. water, 570 pts. wt. natural river sand, 1205 pts. wt. gravel, 69.15 pts. wt. microbead fly ash, 9.22 pts. wt. polycarboxylic acid superplasticizer and 17.288 pts. wt. raw material of graphene oxide solution. The solid content of graphene oxide nanosheet in the raw material of graphene oxide solution is 1.6%. The graphene oxide nanosheet layer has a thickness of 1-2 nm, a chip diameter of 10 -mm and a purity of more than 99%. The surface of the graphene oxide nanosheet has large amount of oxygen-containing groups, has good hydrophilicity, and is non-conductive. USE - Used as C70 high performance graphene oxide concrete. ADVANTAGE - The method: is simple and easy; reduces the production cost by half the price; reduces the cement dosage by 18%; and is environmentally friendly. The C70 high-performance concrete: has collapse degree satisfying the engineering demand; has anti-chloride ion permeability; and is doped with fly ash. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of C70 high performance graphene oxide concrete, comprising (i) adding polycarboxylic acid high performance superplasticizer into water, uniformly stirring for 90 seconds to obtain solution A, (ii) adding raw material of graphene oxide solution into solution 1, uniformly stirring for 90 seconds and stirring to obtain solution B, (iii) adding cement and microbead fly ash, sequentially adding natural river sand and solution B into a stirrer and uniformly stirring for 120 seconds, (iv) adding gravel at a speed of 2.5 m/second, uniformly stirring at a speed of 1.5 m/second for 150 seconds, discharging to obtain graphene oxide concrete, and (v) casting the graphene oxide concrete mixture into a mold, filling two times, each time the filling mold is 1/2, compacting on a vibration table for 60 times, avoiding over vibration, forming and oxidizing.