Air Permeability and Carbonation of Blended Cement Mortars


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Title: Air Permeability and Carbonation of Blended Cement Mortars

Author(s): Yoshio Kasai, I. Matsui, Y. Fukushima, and H. Kamohara

Publication: Special Publication

Volume: 79


Appears on pages(s): 435-452

Keywords: air; blended cements; flexural strength; high-early-st carbonation; compressiv (material); permeability; portla rength cements; mortars slag cements; nd cements; pozzolan cem sulfate-resisting cements. e strength; ents;

Date: 5/1/1983

This paper discusses the air permeability and cabonation of mortars made with different cements. Two types of testing apparatus for the permeability of air were fabricated. One apparatus was designed for use with a disk specimen and the other was utilized to estimate the permeability of mortar and concrete in situ. The effects of the variables such as type of cement, mix-proportion, curing condition and age of mortar on air permeability were studied. A relationship between the permeability of air and the depth of carbonation for cement mortars was found.