A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Magnetic microbial repairing material for repairing concrete cracks and preparation method thereof
The invention discloses a magnetic microbial repairing material for repairing concrete cracks and a preparation method of the magnetic microbial repairing material. The magnetic microbial remediation material comprises the following components in parts by mass: 0.3-3 parts of sodium alginate, 5-15 parts of urea, 15-40 parts of a calcium source, 2-4 parts of ferrous chloride, 10 parts of bacterial strain liquid and 190 parts of distilled water. The bacterial liquid is a mixed liquid of bacillus pasteurii and saccharomycetes, and the total concentration of the microbial liquid is 107-109 cells/mL. In the mineralization deposition process of the magnetic microbial remediation material adopted by the invention, a product generated by reaction of sodium alginate and a calcium source is calcium alginate hydrogel and can form a crack blocking effect, and iron chloride is hydrolyzed to form ferroferric oxide, so that the remediation material can move to a specified position under a magnetic field; a mineralization deposition product in the bacteria liquid and urea environment is calcium carbonate which is well compatible with concrete, and the concrete crack repairing effect is achieved through the synergistic effect of all the raw materials.
本发明公开了一种用于混凝土裂缝修复的磁性微生物修复材料及其制备方法。磁性微生物修复材料按照质量份数，包括以下组分：海藻酸钠0.3份‑3份、尿素5份‑15份、钙源15份‑40份、氯化亚铁2份‑4份、细菌种液10份、蒸馏水190份；细菌种液为巴氏芽胞杆菌和酵母菌混合液，总微生物菌液浓度为107‑109cells/mL。本发明采用的磁性微生物修复材料的矿化沉积过程中，海藻酸钠与钙源反应生成的产物为海藻酸钙水凝胶可形成封堵裂缝效果，氯化亚铁水解形成四氧化三铁使得修复材料可在磁场下运动至指定的位置，菌液与尿素环境下矿化沉积产物为碳酸钙与混凝土有较好的相容，通过各原材料的协同作用实现混凝土裂缝修复效果。
Magnetic microbial repairing material for repairing concrete cracks and preparation method thereof
The invention discloses a magnetic microbial repairing material for repairing concrete cracks and a preparation method of the magnetic microbial repairing material. The magnetic microbial remediation material comprises the following components in parts by mass: 0.3-3 parts of sodium alginate, 5-15 parts of urea, 15-40 parts of a calcium source, 2-4 parts of ferrous chloride, 10 parts of bacterial strain liquid and 190 parts of distilled water. The bacterial liquid is a mixed liquid of bacillus pasteurii and saccharomycetes, and the total concentration of the microbial liquid is 107-109 cells/mL. In the mineralization deposition process of the magnetic microbial remediation material adopted by the invention, a product generated by reaction of sodium alginate and a calcium source is calcium alginate hydrogel and can form a crack blocking effect, and iron chloride is hydrolyzed to form ferroferric oxide, so that the remediation material can move to a specified position under a magnetic field; a mineralization deposition product in the bacteria liquid and urea environment is calcium carbonate which is well compatible with concrete, and the concrete crack repairing effect is achieved through the synergistic effect of all the raw materials.
本发明公开了一种用于混凝土裂缝修复的磁性微生物修复材料及其制备方法。磁性微生物修复材料按照质量份数，包括以下组分：海藻酸钠0.3份‑3份、尿素5份‑15份、钙源15份‑40份、氯化亚铁2份‑4份、细菌种液10份、蒸馏水190份；细菌种液为巴氏芽胞杆菌和酵母菌混合液，总微生物菌液浓度为107‑109cells/mL。本发明采用的磁性微生物修复材料的矿化沉积过程中，海藻酸钠与钙源反应生成的产物为海藻酸钙水凝胶可形成封堵裂缝效果，氯化亚铁水解形成四氧化三铁使得修复材料可在磁场下运动至指定的位置，菌液与尿素环境下矿化沉积产物为碳酸钙与混凝土有较好的相容，通过各原材料的协同作用实现混凝土裂缝修复效果。
Magnetic microbial repairing material for repairing concrete cracks and preparation method thereof
用于混凝土裂缝修复的磁性微生物修复材料及其制备方法
ZHENG XINGUO (author) / ZHANG LEI (author) / LI SHUMING (author) / LIU JING (author) / ZHANG CHI (author) / YU PEIYUN (author) / DENG QINGSHAN (author) / DOU DONGBIN (author) / LIU XIANGHUI (author) / HU JIALIN (author)
2024-03-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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