Research Progress on the Durability of Metakaolin Concrete
MO zongyun1,2, GAO xiaojian1
1 College of Civil Engineering, Harbin Institute of Technology, Harbin 150001; 2 Department of Building Engineering, North China Institute of Aerospace Engineering, Langfang 065000;
Abstract: Metakaolin is an amorphous pozzolanic material formed by heating kaolin at about 500 ℃ to 800 ℃ which causes kao-linite dehydration. Substituting metakaolin for a certain amount of cement in the production of concrete can enhance the strength and durability of concrete, and moreover, reduce carbon emission and energy consumption due to decreased cement usage. This paper summarizes the research progress of metakaolin concrete′s (MKC) durability from the perspectives of drying shrinkage, sorptivity and water permeability, chloride penetration, sulfate resistance, carbonization, also discusses the inadequacies of the current research in MKC′s durability.
莫宗云, 高小建. 偏高岭土改性混凝土的耐久性研究进展*[J]. 《材料导报》期刊社, 2017, 31(15): 115-119.
MO zongyun, GAO xiaojian. Research Progress on the Durability of Metakaolin Concrete. Materials Reports, 2017, 31(15): 115-119.
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2017, Vol. 31 
