Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Microbial repairing agent for self-repairing marine concrete cracks
The invention provides a microbial repairing agent for self-repairing marine concrete cracks, and belongs to the technical field of concrete self-repairing. The microbial repairing agent comprises bacillus corii, a regulating agent, calcium lactate and coral reef calcareous sand, wherein the bacillus corii, the regulating agent and the calcium lactate are immobilized on the coral reef calcareous sand after polyoxyethylene and vinyl methyl ether are used for treating the coral reef calcareous sand. According to the microbial repairing agent, the surface roughness of the coral reef calcareous sand can be improved, so that the bonding strength of an interface transition area is improved, gaps are reduced, SO4<2-> is inhibited from entering concrete, the increase of expansive erosion productsis reduced, calcium carbonate particles formed by bacillus cohnii can be regulated and controlled to be mainly in a stable calcite type, and a compact plugging layer with a stable structure can be formed in a crack.
本发明提供一种用于海工混凝土裂缝自修复的微生物修复剂，属于混凝土自修复技术领域，包括科氏芽孢杆菌、调控剂、乳酸钙、珊瑚礁钙质砂，用聚氧化乙烯、乙烯基甲醚对珊瑚礁钙质砂进行处理后，将科氏芽孢杆菌、调控剂、乳酸钙固载于珊瑚礁钙质砂上。本发明能够增加珊瑚礁钙质砂表面粗糙度，提高界面过渡区粘结强度，减少缝隙，抑制SO进入混凝土内部，减少膨胀性侵蚀产物增加；能够调控科氏芽孢杆菌形成的碳酸钙颗粒主要为稳定的方解石型，能在裂缝内形成致密且结构稳定的封堵层。
Microbial repairing agent for self-repairing marine concrete cracks
The invention provides a microbial repairing agent for self-repairing marine concrete cracks, and belongs to the technical field of concrete self-repairing. The microbial repairing agent comprises bacillus corii, a regulating agent, calcium lactate and coral reef calcareous sand, wherein the bacillus corii, the regulating agent and the calcium lactate are immobilized on the coral reef calcareous sand after polyoxyethylene and vinyl methyl ether are used for treating the coral reef calcareous sand. According to the microbial repairing agent, the surface roughness of the coral reef calcareous sand can be improved, so that the bonding strength of an interface transition area is improved, gaps are reduced, SO4<2-> is inhibited from entering concrete, the increase of expansive erosion productsis reduced, calcium carbonate particles formed by bacillus cohnii can be regulated and controlled to be mainly in a stable calcite type, and a compact plugging layer with a stable structure can be formed in a crack.
本发明提供一种用于海工混凝土裂缝自修复的微生物修复剂，属于混凝土自修复技术领域，包括科氏芽孢杆菌、调控剂、乳酸钙、珊瑚礁钙质砂，用聚氧化乙烯、乙烯基甲醚对珊瑚礁钙质砂进行处理后，将科氏芽孢杆菌、调控剂、乳酸钙固载于珊瑚礁钙质砂上。本发明能够增加珊瑚礁钙质砂表面粗糙度，提高界面过渡区粘结强度，减少缝隙，抑制SO进入混凝土内部，减少膨胀性侵蚀产物增加；能够调控科氏芽孢杆菌形成的碳酸钙颗粒主要为稳定的方解石型，能在裂缝内形成致密且结构稳定的封堵层。
Microbial repairing agent for self-repairing marine concrete cracks
一种用于海工混凝土裂缝自修复的微生物修复剂
WANG JINLIANG (Autor:in) / ZHANG YONG (Autor:in) / WANG DAOLONG (Autor:in) / LI TAO (Autor:in) / LAI XIAOYING (Autor:in) / HUANG YA'E (Autor:in) / SUN HAOMING (Autor:in)
01.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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