NDLI: Permeability properties of concretes with high reactivity metakaolin and calcined impure kaolin

Content Provider	Springer Nature Link
Author	Gesoğlu, Mehmet Güneyisi, Erhan Özturan, Turan Mermerdaş, Kasım
Copyright Year	2013
Abstract	This study reports the findings of an experimental study carried out on transport properties of the concretes modified with different calcined non purified kaolins (CK) and commercially available high reactivity metakaolin (MK). CK used in this study were obtained by calcining impure ground kaolins from four different quarries located on kaolin beds of different morphological and geological formations in Turkey. However, commercially available MK produced by thermal treatment of high purity kaolin from Czech Republic was used as reference material. In concrete mix design, the cement was replaced with 5, 10, 15, and 20 % by weight of CK or MK. The gas permeability, water permeability, water sorptivity, and chloride permeability tests were performed at the end of 28 and 90 days of curing periods. The results indicated that the concretes incorporated with different types of calcined kaolins had comparable performance in permeability with MK modified concrete, depending mainly on the type and amount of the mineral admixture used. Moreover, all of the concretes incorporation MK or CK had considerably better permeability than plain concrete regardless of the replacement level.
Starting Page	709
Ending Page	728
Page Count	20
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	47
Issue Number	4
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-05-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Calcined impure kaolin Chloride permeability Concrete Gas permeability High reactivity metakaolin Sorptivity Water permeability Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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