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A platform for research: civil engineering, architecture and urbanism
3D printing concrete mix proportion design method
The invention relates to a mix proportion design method of 3D printing concrete, which comprises the following specific steps: S1, determining the basic component material dosage of the 3D printing concrete according to the mechanical property target value of the hardened concrete; s2, according to the recommended product mixing amount of the admixture and the basic component material use amount determined in the step S1, the primary selection mix proportion of the 3D printing concrete is obtained; s3, preparing a 3D printing concrete mixture by utilizing the primarily selected mix proportion obtained in the step S2, measuring the slump of the 3D printing concrete mixture, and screening out a 3D printing concrete secondarily selected mix proportion meeting the requirement of printing equipment according to the requirement of the printing equipment on the slump of the concrete; s4, preparing a 3D printing concrete mixture by utilizing the secondarily selected mix proportion obtained in the step S3, and performing a static yield stress development test on the 3D printing concrete mixture to obtain a final selected mix proportion; s5, concrete is prepared according to the final selection mixing proportion obtained in the step S4, and a trial printing test is carried out.
本发明涉及一种3D打印混凝土的配合比设计方法，具体步骤如下：S1、根据混凝土硬化后的力学性能目标值，确定3D打印混凝土的基本组分材料用量；S2、根据外加剂的产品推荐掺量以及在步骤S1中确定的基本组分材料用量，获取3D打印混凝土的初选配合比；S3、利用在步骤S2中得到的初选配合比，制备3D打印混凝土拌合物，测量其坍落度，根据打印设备对混凝土坍落度的要求，筛选出满足打印设备要求的3D打印混凝土次选配合比；S4、利用在步骤S3中得到的次选配合比，制备3D打印混凝土拌合物，对其进行静态屈服应力发展测试，获得终选配合比；S5：利用在步骤S4中得到的终选配合比，制备混凝土进行试打印试验。
3D printing concrete mix proportion design method
The invention relates to a mix proportion design method of 3D printing concrete, which comprises the following specific steps: S1, determining the basic component material dosage of the 3D printing concrete according to the mechanical property target value of the hardened concrete; s2, according to the recommended product mixing amount of the admixture and the basic component material use amount determined in the step S1, the primary selection mix proportion of the 3D printing concrete is obtained; s3, preparing a 3D printing concrete mixture by utilizing the primarily selected mix proportion obtained in the step S2, measuring the slump of the 3D printing concrete mixture, and screening out a 3D printing concrete secondarily selected mix proportion meeting the requirement of printing equipment according to the requirement of the printing equipment on the slump of the concrete; s4, preparing a 3D printing concrete mixture by utilizing the secondarily selected mix proportion obtained in the step S3, and performing a static yield stress development test on the 3D printing concrete mixture to obtain a final selected mix proportion; s5, concrete is prepared according to the final selection mixing proportion obtained in the step S4, and a trial printing test is carried out.
本发明涉及一种3D打印混凝土的配合比设计方法，具体步骤如下：S1、根据混凝土硬化后的力学性能目标值，确定3D打印混凝土的基本组分材料用量；S2、根据外加剂的产品推荐掺量以及在步骤S1中确定的基本组分材料用量，获取3D打印混凝土的初选配合比；S3、利用在步骤S2中得到的初选配合比，制备3D打印混凝土拌合物，测量其坍落度，根据打印设备对混凝土坍落度的要求，筛选出满足打印设备要求的3D打印混凝土次选配合比；S4、利用在步骤S3中得到的次选配合比，制备3D打印混凝土拌合物，对其进行静态屈服应力发展测试，获得终选配合比；S5：利用在步骤S4中得到的终选配合比，制备混凝土进行试打印试验。
3D printing concrete mix proportion design method
一种3D打印混凝土配合比设计方法
YUAN YONG (author) / SHENG RUYI (author) / ZHANG JIAOLONG (author) / YAO XUPENG (author) / WANG QILING (author)
2024-10-11
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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