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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The Bleeding Of Potland Cement Paste, Mortar, and Concrete
Author(s): T. C. Powers
Publication: Journal Proceedings
Appears on pages(s): 465-480
Abstract:Bleeding is identified as the result of subsidence of temporarily suspended solids. It occurs in two stages: a period of constant rate followed by one of diminishing rate. The rate during the constant period follows a general law derived from Poisseuilie’s law of capillary flow. The water content of the mix and the - surface area of the solids are the major controlling factors, but with these constant, different materials show Individuality, due to unidentified characteristics. A simple law governing bleeding capacity (subsidence per unit original height) is developed. The ideal mix from the standpoint of bleeding is defined.
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