▎ 摘　　要

NOVELTY - Road fast repair mortar comprises 20-30 wt.% low alkali sulfoaluminate cement, 5-10 wt.% quartz ore, 2-5 wt.% tailings sand, 2-10 wt.% silicon ash, 1-3% expansion powder, 1-5 wt.% defoaming powder, 2-5 wt.% desulfurized gypsum powder, 1-3 wt.% sodium bentonite, 0.05-0.1 wt.% polypropylene fiber, 10-20 wt.% fly ash, 0.3-0.5 wt.% hydroxypropyl methylcellulose ether, 0.5-0.7 wt.% VAE re-dispersible emulsion powder, and 5-10 wt.% performance modifier. USE - The mortar is useful for cement concrete road surface for urban road, road and airport runway, and road surface i.e. high level road. ADVANTAGE - The mortar: is scientific, reasonable, and economical; and has high bonding strength, uniformity, water retention, good crack resistance good construction performance, and broad market application prospects. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for constructing road fast repair mortar by taking weighing vermiculite powder, metakaolin, graphene, sodium gluconate and glutinous rice flour, and adding ethanol.