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Concrete self-repairing method based on topological optimization conduit structure
The invention discloses a concrete self-repairing method based on a topological optimization conduit structure, which comprises the following steps: step 1, carrying out topological optimization design on a concrete beam structure under the action of a load, extracting a main tensile stress nephogram of the optimized structure, and carrying out bionic conduit arrangement on a tensile area of the structure; 2, a bionic catheter structure is prepared based on the 3D printing technology; 3, concrete is poured, urease and a nutrient solution are adopted as repairing agents, calcium carbonate precipitates are formed through the urease induced mineralization effect, and accurate repairing of concrete cracks is achieved.
本发明公开一种基于拓扑优化导管结构的混凝土自修复方法，包括：步骤1、对荷载作用下的混凝土梁结构进行拓扑优化设计，提取优化结构的主拉应力云图，对结构受拉区进行仿生导管布置；步骤2、基于3D打印技术制备仿生导管结构；步骤3、浇筑混凝土，采用脲酶与营养液作为修复剂，通过脲酶诱导矿化作用形成碳酸钙沉淀，实现混凝土裂缝的精准修复。
Concrete self-repairing method based on topological optimization conduit structure
The invention discloses a concrete self-repairing method based on a topological optimization conduit structure, which comprises the following steps: step 1, carrying out topological optimization design on a concrete beam structure under the action of a load, extracting a main tensile stress nephogram of the optimized structure, and carrying out bionic conduit arrangement on a tensile area of the structure; 2, a bionic catheter structure is prepared based on the 3D printing technology; 3, concrete is poured, urease and a nutrient solution are adopted as repairing agents, calcium carbonate precipitates are formed through the urease induced mineralization effect, and accurate repairing of concrete cracks is achieved.
本发明公开一种基于拓扑优化导管结构的混凝土自修复方法，包括：步骤1、对荷载作用下的混凝土梁结构进行拓扑优化设计，提取优化结构的主拉应力云图，对结构受拉区进行仿生导管布置；步骤2、基于3D打印技术制备仿生导管结构；步骤3、浇筑混凝土，采用脲酶与营养液作为修复剂，通过脲酶诱导矿化作用形成碳酸钙沉淀，实现混凝土裂缝的精准修复。
Concrete self-repairing method based on topological optimization conduit structure
一种基于拓扑优化导管结构的混凝土自修复方法
GAN YIDONG (author) / SUN RUAN (author) / DING YI (author) / YAO JIAHUI (author) / SU RUI (author)
2024-12-27
Patent
Electronic Resource
Chinese
IPC:
E04G
SCAFFOLDING
,
Baugerüste
/
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
/
C04B
Kalk
,
LIME
/
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
NON-EXCAVATION SEWAGE CONDUIT REPAIRING METHOD USING THE UNDERWATER NON-SEGREGATION CONCRETE
| European Patent Office | 2022