Crack Self-healing Kinetic Model of Microbial Self-healing Concrete
JIN Zekang1,2, ZHANG Xuan1,2, LI Min1,2, QIAN Chunxiang1,2
1 School of Materials Science and Engineering, Southeast University, Nanjing 211189, China 2 Research Institute of Green Construction Materials, Southeast University, Nanjing 211189, China
Abstract: To establish a unified mathematical model for the detailed description of the self-healing process of self-healing concrete, the control group and experimental group specimens were formed, and the self-healing process of concrete was recorded by water infiltration method and image processing technology, the preliminary fitting results show that the area repair rate is in direct proportion to the resistance to water permeating repair ratio. Based on the first-order kinetic model, the crack self-healing kinetic model of microbial self-healing concrete is deduced. The data fitting results based on the model show that the area repair rate of the control group is less than the resistance to water permeating repair ratio, the difference between them increases first and then tends to be stable, the area repair rate of the experimental group is larger than resistance to water permeating repair ratio, and the difference between them increases first and then decreases. After the difference between the experimental group and the control group, the kinetic model of healing agent can be obtained. After further derivation, the healing rate model of the healing agent can be obtained. After analysis, it is found that the effect time of microbial healing agent on the crack self-healing is 27—32 d.
作者简介: 金泽康,东南大学材料科学与工程学院硕士研究生。2014年9月至2018年6月在安徽理工大学获得高分子材料与工程专业工学学士学位,2018年9月进入东南大学攻读材料工程硕士,研究方向为微生物自修复混凝土。钱春香,2019年由中国科协提名入选中国工程院化工、冶金与材料学部有效候选人,国务院政府特殊津贴专家,国家科技进步奖获得者,东南大学特聘教授,江苏特聘教授,教育部新世纪优秀人才、江苏省333工程科技领军人才、江苏省六大行业高峰人才,现为东南大学绿色建材研究中心主任、中国建筑材料行业微生物矿化技术重点实验室主任。现兼任中国硅酸盐学会固废与生态材料分会专家委员会副主任、中国硅酸盐学会高强高性能混凝土委员会副主任、中国混凝土与水泥制品协会自防护混凝土材料与工程技术分会理事长、工程质量和标准化分会副理事长、中国混凝土学会理事、江苏省硅酸盐学会监事会主席、中国土木工程学会高强高性能混凝土委员会委员、中国建筑股份有限公司技术中心学术委员会委员、纤维水泥与混凝土委员会委员、RILEM中国分会理事、ACI中国分会理事、Cement and Concrete Research、《东南大学学报》、Journal of Southeast University等学术期刊编委,中建技术中心专家委员会委员、交通土建工程材料国家地方联合工程实验室技术委员会主任、英国Hub for Biotechnology in the Built Environment (HBBE)学术委员会委员。
引用本文:
金泽康, 张旋, 李敏, 钱春香. 微生物自修复混凝土裂缝自修复动力学模型[J]. 材料导报, 2020, 34(Z2): 194-200.
JIN Zekang, ZHANG Xuan, LI Min, QIAN Chunxiang. Crack Self-healing Kinetic Model of Microbial Self-healing Concrete. Materials Reports, 2020, 34(Z2): 194-200.
1 Jonkers H M. In:Self Healing Materials: An Alternative Approach to 20 Centuries of Materials Science. Dordrecht; Springer Netherlands. 2007,pp.195. 2 张鹏, 冯竟竟, 陈伟,等. 材料导报:综述篇, 2018, 32(10),3375. 3 Ferrara L, Krelani V, Carsana M.Construction and Building Materials, 2014, 68,535. 4 Qureshi T S, Al-Tabbaa A. Smart Material Structures, 2016, 25(8),1. 5 逄锦伟.隧道建设, 2015, 35(S2),32. 6 Lark R, Joseph C, Isaacs B, et al.Magazine of Concrete Research, 2010, 62,831. 7 Abdulridha A, Dan P, Foo S, et al.Engineering Structures, 2013, 49(2), 893. 8 钱春香, 李瑞阳, 潘庆峰,等. 东南大学学报(自然科学版), 2013, 43(2), 360. 9 Jiang L, Jia G, Jiang C, et al.Construction and Building Materials, 2020, 232,117222. 10 Khaliq W, Ehsan M B.Construction and Building Materials, 2016, 102,349. 11 Shaheen N, Khushnood R A, Khaliq W, et al.Construction and Building Materials, 2019, 226,492. 12 University T.Chinese Journal of Materials Research, 2006,20(1),24. 13 Chindasiriphan P, Yokota H, Pimpakan P.Construction and Building Materials, 2020, 233,116975. 14 Sidiq A, Gravina R J, Setunge S, et al.Construction and Building Mate-rials, 2019, 215,969. 15 Chen H, Qian C, Ren L.Journal of Southeast University, 2016,46(3),606. 16 罗勉. 基于微生物矿化的自修复水泥基材料性能及微观结构. 博士学位论文,东南大学, 2017. 17 方成. 基于陶粒内置碳源自愈合水泥基材料的试验研究. 硕士学位论文, 深圳大学, 2018. 18 Khushnood R A, Qureshi Z A, Shaheen N, et al.Science of the Total Environment, 2020, 703,135007. 19 Granger S, Loukili A, Pijaudier-Cabot G, et al.Cement & Concrete Research,2006,37(4),519. 20 Jacobsen S, Sellevold E J.Cement & Concrete Research, 1996, 26(1), 55. 21 向锋.农村生态环境, 1998, 14(3),20. 22 王立成, 武少赟.水利学报, 2019, 50(7), 787.
渝公网安备50019002502923号 版权所有：《材料导报》编辑部
2020, Vol. 34 
