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    A Method to Determine Efflorescence and Water Permeance of Masonry Mortars

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    A laboratory test procedure to measure the efflorescence and water permeance of masonry mortars is presented. Quantitative and qualitative values of the efflorescence growth compounds can be measured using a technique that accelerates their development in a controlled laboratory environment. Using this same simple test apparatus, a minor change in testing procedures will also provide quantitative data on the water permeance of masonry mortars.


    efflorescence, masonry, mortar, portland cement, permeability

    Author Information:

    Harris, HA
    Director of research, Ash Grove Cement Company, Kansas City, KS

    Committee/Subcommittee: C12.02

    DOI: 10.1520/STP34548S