Microbial carbon sequestration self-repairing concrete as well as preparation method and application thereof: Fid-Bau Portal

Microbial carbon sequestration self-repairing concrete as well as preparation method and application thereof

HAN FANGXIAO / LU CHANGHAO / ZHANG XUE / ZHAO BIN / LI YANG / LIU KAIZHAN

The invention relates to the technical field of self-repairing concrete, in particular to microorganism carbon sequestration self-repairing concrete as well as a preparation method and application of the microorganism carbon sequestration self-repairing concrete. The self-repairing filler comprises a porous carrier, a sealing layer, a sugar-coating layer and a protective layer, the sealing layer, the sugar-coating layer and the protective layer are sequentially formed on the outer surface of the porous carrier, a complex microbial inoculant is loaded in the porous carrier in a vacuum suction mode, and the sealing layer is used for separating the sugar-coating layer and the porous carrier. The self-repairing filler can be dispersed in a concrete matrix in an external doping manner, so that the concrete with good self-repairing capability is prepared.

本发明涉及自修复混凝土技术领域，具体涉及一种微生物固碳自修复混凝土及其制备方法和应用，所述微生物固碳自修复混凝土包括自修复填料，所述自修复填料包括多孔载体、依次形成于所述多孔载体外表面的封闭层、糖衣层以及保护层，所述多孔载体内部通过真空吸入方式负载有复合菌剂，所述封闭层用于分隔所述糖衣层和多孔载体，该微生物固碳自修复混凝土制备工艺简单，可通过外掺方式将自修复填料分散于混凝土基质中，从而制备出具有良好自修复能力的混凝土。

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