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Title: Wetting and Drying as Indicators of Water/Cement Ratio

Author(s): W. Dolch and J. Lovell

Publication: Symposium Paper

Volume: 100


Appears on pages(s): 509-518

Keywords: absorption; cement pastes: concrete durability: water-cement ratio; wetting and drying tests

Date: 4/1/1987

Rate of wetting by capillary absorption and rate of drying from the saturated state were determined on mature cement pastes with w/c ratios of 0.40 and 0.60. The cumulative water gained or lost was parabolically related to time. The coefficients of this relationship, for both the wetting and the drying data, were two to three orders of magnitude larger for the pastes with w/c = 0.6 than for those with w/c = 0.4.


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