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本发明涉及一种3D打印水泥基材料及其制备方法,采用粉状胶凝材料和骨料组成,所述的粉状胶凝材料由水泥、活性掺合料、减水剂、早强剂、调凝剂、膨胀剂、粘结剂、引气剂、保塑剂、憎水剂、淀粉醚、粉末填料和纤维组成,所述的骨料由细骨料和粗骨料组成。与现有技术相比,本发明具有良好工作性能、可建造性能、力学性能和耐久性能等优点。
The present invention relates to a 3D printed cement-based material and a preparation method thereof, which are composed of a powdery cementitious material and an aggregate, wherein the powdery cementitious material comprises cement, an active admixture, a water-reducing agent, an early strength agent, A coagulant, an expanding agent, a binder, an air entraining agent, a plasticizer, a water repellent, a starch ether, a powder filler and fibers, wherein the aggregates are composed of fine aggregates and coarse aggregates. Compared with the prior art, the invention has the advantages of good working performance, buildability, mechanical property and durability.