Self healing Performance of Concrete: A Technological Review
ZHANG Peng1, FENG Jingjing2, CHEN Wei3, LIU Hu3, YANG Jinbo2
1 Department of Civil Engineering, Qingdao University of Technology, Qingdao 266033;
2 School of Water Conservancy & Civil Engineering, Shandong Agricultural University, Tai’an 271018;
3 Sanyuan Special Building Materials Co., Ltd., Wuhan 430000
Abstract: Self-healing technology of concrete play an important role in the field of civil engineering, which can effectively heal cracks, improve the internal structure of concrete materials, optimize the mechanical properties and durability during service life. In this article, the research results and applications of self-healing concrete at home and abroad are systematically introduced, the principles of self-healing technology of concrete are classified and summarized, and the self-healing technologies on account of chemical, physical and biological theories are expounded and compared. The evaluation methods of self-healing effect of concrete and their application scope are analyzed. The problems existing in the study of concrete self-healing are pointed out and the development trend and prospect are proposed.
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