Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of 3D printing self-repairing concrete based on complex microbial inoculants
The invention discloses a preparation method of 3D printing self-repairing concrete based on complex microbial inoculants.The preparation method comprises the steps that S1, Portland cement, cement, silica fume, quartz sand, mineral powder, calcium acetate and a repairing agent are weighed, and the repairing agent comprises the complex microbial inoculants and nutritional ingredients; s2, mixing the Portland cement, the cement, the silica fume, the quartz sand, the mineral powder and the calcium acetate in the S1, adding part of the nutritional ingredients after mixing, and stirring to obtain a mixture; s3, adding the complex microbial inoculant of the repairing agent and the remaining nutritional ingredients into the mixture in the S2, and stirring to obtain the 3D printing self-repairing concrete. According to the preparation method of the 3D printing self-repairing concrete based on the complex microbial inoculant, the self-repairing capabilities of urease-producing bacteria and carbonic anhydrase-producing bacteria are applied to the 3D printing concrete, so that not only are microcracks of the 3D printing concrete improved, but also specific interlayer crack defects of the 3D printing concrete are improved to a certain extent.
本发明公开了一种基于复合菌剂的3D打印自修复混凝土制备方法，S1、称量取硅酸盐水泥、水泥、硅灰、石英砂、矿粉、乙酸钙及修复剂，其中修复剂为复合菌剂和营养成分；S2、取S1中的硅酸盐水泥、水泥、硅灰、石英砂、矿粉和乙酸钙混合，混合后加入部分营养成分搅拌得到混合物；S3、向S2中的混合物加入修复剂的复合菌剂和剩余营养成分搅拌，得到3D打印自修复混凝土。本发明采用上述成分的一种基于复合菌剂的3D打印自修复混凝土制备方法，将产脲酶菌和产碳酸酐酶菌本身的自修复能力运用于3D打印混凝土中，不仅对其微裂缝具有改善作用，同时对其特有的层间裂隙缺陷也有一定的改善作用。
Preparation method of 3D printing self-repairing concrete based on complex microbial inoculants
The invention discloses a preparation method of 3D printing self-repairing concrete based on complex microbial inoculants.The preparation method comprises the steps that S1, Portland cement, cement, silica fume, quartz sand, mineral powder, calcium acetate and a repairing agent are weighed, and the repairing agent comprises the complex microbial inoculants and nutritional ingredients; s2, mixing the Portland cement, the cement, the silica fume, the quartz sand, the mineral powder and the calcium acetate in the S1, adding part of the nutritional ingredients after mixing, and stirring to obtain a mixture; s3, adding the complex microbial inoculant of the repairing agent and the remaining nutritional ingredients into the mixture in the S2, and stirring to obtain the 3D printing self-repairing concrete. According to the preparation method of the 3D printing self-repairing concrete based on the complex microbial inoculant, the self-repairing capabilities of urease-producing bacteria and carbonic anhydrase-producing bacteria are applied to the 3D printing concrete, so that not only are microcracks of the 3D printing concrete improved, but also specific interlayer crack defects of the 3D printing concrete are improved to a certain extent.
本发明公开了一种基于复合菌剂的3D打印自修复混凝土制备方法，S1、称量取硅酸盐水泥、水泥、硅灰、石英砂、矿粉、乙酸钙及修复剂，其中修复剂为复合菌剂和营养成分；S2、取S1中的硅酸盐水泥、水泥、硅灰、石英砂、矿粉和乙酸钙混合，混合后加入部分营养成分搅拌得到混合物；S3、向S2中的混合物加入修复剂的复合菌剂和剩余营养成分搅拌，得到3D打印自修复混凝土。本发明采用上述成分的一种基于复合菌剂的3D打印自修复混凝土制备方法，将产脲酶菌和产碳酸酐酶菌本身的自修复能力运用于3D打印混凝土中，不仅对其微裂缝具有改善作用，同时对其特有的层间裂隙缺陷也有一定的改善作用。
Preparation method of 3D printing self-repairing concrete based on complex microbial inoculants
一种基于复合菌剂的3D打印自修复混凝土制备方法
MA GUOWEI (Autor:in) / ZHANG RUOCHEN (Autor:in) / WANG LI (Autor:in)
07.03.2023
Patent
Elektronische Ressource
Chinesisch
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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