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Title: Deicer Scaling Mechanisms in Concrete

Author(s): Frederick P. Browne and Philip D. Cady

Publication: Symposium Paper

Volume: 47


Appears on pages(s): 101-120

Keywords: absorption; calcium chlorides; chemical attack; concretes; deicers; deterioration; freeze-thaw durability; ice formation; pore water pressure; scaling; sodium chloride; tensile strength; thermal expansion; water-cement ratio

Date: 1/1/1975

Three experiments were conducted to study the characteristics of the two primary deicer scaling mechanisms in concrete: 1) a hydraulic pressure mechanism, which is strongly dependent upon the degree of saturation and the deiceer gradient, and only occurs under freeze-thaw conditions, and 2) a chemical mechanism, which operates between concrete and concentrated calcium chloride solutions. These two mechansims are completely independent of one another.


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