▎ 摘　　要

NOVELTY - The method involves using TEOS as inorganic silicon source to prepare nano silicon dioxide, using intercalation method to introduce the nano SiO2 into the GO layer structure to prepare GO-SiO2 composite material, mixing the GO-Situ-CaCO3 micro powder to obtain the GO -SiO 2 -CaCO 3 composite powder, and then adding the GO, SiO 2 and CaCO3 composite powder and water reducing agent, sandstone aggregate into the cement gel material to obtain a needed high strength low shrinkage cement based material. USE - The composite high-strength low-shrinkage cement-based material is useful in a building material and in modern building engineering. ADVANTAGE - The composite high-strength low-shrinkage cement-based material has excellent mechanical property and durability, and reduces the cement base material drying shrinkage.