New methods to measure liquid permeability in porous materials

Several novel methods have recently been proposed for rapid measurement of the liquid permeability of saturated cement paste, mortar and concrete. The relative merits of the techniques are discussed, and some recent results obtained on pastes and mortars are presented. The low permeabilities seen in...

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Bibliographic Details
Published in:Cement and concrete research 2007-03, Vol.37 (3), p.386-397
Main Authors: Scherer, George W., Valenza, John J., Simmons, Gregory
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Concretes. Mortars. Grouts
Difussion
Exact sciences and technology
General (composition, classification, performance, standards, patents, etc.)
Materials
Measurements. Technique of testing
Permeability
Pore size
Tortuosity
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Summary:Several novel methods have recently been proposed for rapid measurement of the liquid permeability of saturated cement paste, mortar and concrete. The relative merits of the techniques are discussed, and some recent results obtained on pastes and mortars are presented. The low permeabilities seen in cement paste are inconsistent with the pore size distributions measured following drying, indicating that the pore structure is significantly changed by drying.
ISSN:0008-8846
1873-3948
DOI:10.1016/j.cemconres.2006.09.020