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A platform for research: civil engineering, architecture and urbanism
Light-weight high-constructability 3D printing concrete with low cementing material content and preparation method thereof
The invention discloses light-weight high-constructability 3D printing concrete with a low cementing material and a preparation method of the light-weight high-constructability 3D printing concrete, and belongs to the field of civil construction materials. The lightweight high-constructability 3D printing concrete with the low cementing material is prepared from the following components in parts by weight: 160 parts of water, 300 parts of cement, 1200 parts of sand, 2.25-2.75 parts of a water reducing agent, 15-20 parts of an accelerator and 1 part of a foaming agent. According to the method disclosed by the invention, the use amount of a cementing material is reduced, and the lightweight 3D printing concrete with high early yield strength and high constructability is prepared by designing a material mixing ratio. The preparation method is simple, the using amount of a cementing material is low, the early-stage mechanical property is excellent, implementation is easy, the early-stage yield strength of the obtained 3D printing concrete is greatly improved compared with a control group, the density is obviously reduced, and the early-stage constructability is higher. The light-weight and high-constructability 3D printing concrete made of the low-cementing material can be used for construction in a lower-carbon, more economical, efficient and safer manner.
本发明公开了一种低胶凝材料的轻质高建造性3D打印混凝土及其制备方法，属于土木建筑材料领域。低胶凝材料的轻质高建造性3D打印混凝土的组份包括按重量份数计：160份水、300份水泥、1200份砂子、2.25‑2.75份减水剂、15‑20份速凝剂和1份发泡剂。本发明方法减少了胶凝材料的用量，并且通过材料配合比设计制备了早期屈服强度高，高建造性的轻质3D打印混凝土。胶凝材料用量低，早期力学性能优异，易于实现，得到的3D打印混凝土早期屈服强度相比于对照组有了极大提升，密度明显降低，早期建造性更高。这种低胶凝材料的轻质高建造性3D打印混凝土可以更加低碳经济、高效安全的用于建造。
Light-weight high-constructability 3D printing concrete with low cementing material content and preparation method thereof
The invention discloses light-weight high-constructability 3D printing concrete with a low cementing material and a preparation method of the light-weight high-constructability 3D printing concrete, and belongs to the field of civil construction materials. The lightweight high-constructability 3D printing concrete with the low cementing material is prepared from the following components in parts by weight: 160 parts of water, 300 parts of cement, 1200 parts of sand, 2.25-2.75 parts of a water reducing agent, 15-20 parts of an accelerator and 1 part of a foaming agent. According to the method disclosed by the invention, the use amount of a cementing material is reduced, and the lightweight 3D printing concrete with high early yield strength and high constructability is prepared by designing a material mixing ratio. The preparation method is simple, the using amount of a cementing material is low, the early-stage mechanical property is excellent, implementation is easy, the early-stage yield strength of the obtained 3D printing concrete is greatly improved compared with a control group, the density is obviously reduced, and the early-stage constructability is higher. The light-weight and high-constructability 3D printing concrete made of the low-cementing material can be used for construction in a lower-carbon, more economical, efficient and safer manner.
本发明公开了一种低胶凝材料的轻质高建造性3D打印混凝土及其制备方法，属于土木建筑材料领域。低胶凝材料的轻质高建造性3D打印混凝土的组份包括按重量份数计：160份水、300份水泥、1200份砂子、2.25‑2.75份减水剂、15‑20份速凝剂和1份发泡剂。本发明方法减少了胶凝材料的用量，并且通过材料配合比设计制备了早期屈服强度高，高建造性的轻质3D打印混凝土。胶凝材料用量低，早期力学性能优异，易于实现，得到的3D打印混凝土早期屈服强度相比于对照组有了极大提升，密度明显降低，早期建造性更高。这种低胶凝材料的轻质高建造性3D打印混凝土可以更加低碳经济、高效安全的用于建造。
Light-weight high-constructability 3D printing concrete with low cementing material content and preparation method thereof
一种低胶凝材料的轻质高建造性3D打印混凝土及其制备方法
SHE WEI (author) / SHI ZHAOXIN (author) / LU HAOYU (author)
2024-05-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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