▎ 摘　　要

NOVELTY - An environmentally-friendly building material comprises cement, regenerated concrete micro powder, fly ash, metakaolin, sodium perborate, polycarboxylic acid water-reducing agent, retarder, stabilizer, additive, and water. USE - Environmentally-friendly building material. ADVANTAGE - The building material has high compressive strength, excellent anti-cracking performance, and excellent construction performance, includes lightweight polypropylene fiber, has excellent toughness, improved corrosion resistance, and low dopants, is economical, has high mechanical resistance and rigidity, reduces the development of plastic shrinkage cracks and internal cracks, and has improved fine structure. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the building material.