▎ 摘　　要

NOVELTY - A dry mixed mortar material comprises 60-80 pts. wt. waste concrete recycled aggregate, 5-20 pts. wt. cement, 2-20 pts. wt. coal ash and 1-5 pts. wt. composite additive. The additive comprises 100-150 pts. wt. kaolin, 3-5 pts. wt. hydrophobic cellulose ether, 1-3 pts. wt. graphene oxide, 2-5 pts. wt. tartaric acid, 2-5 pts. wt. water reducing agent and 5-10 pts. wt. silicone water repellent. The recycled aggregate is obtained by mechanically crushing, washing and sieving waste concrete and has fineness modulus of 2.3-3. USE - Dry mixed mortar material. ADVANTAGE - The dry mixed mortar material has improved working performance, is manufactured with reduced energy consumption using inexpensive raw materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the dry mixed mortar material.