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Correlations between Air Permeability Coefficients and Pore Structure Indicators of Cementitious Materials
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Submitted:
05 December 2018
Posted:
06 December 2018
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Abstract
Correlations between the air permeability coefficient and various pore structure indicators in cementitious materials were examined to determine the pore structure indicator that best evaluated air permeability using data from previous studies of air permeabilities and pore structures. The determination coefficients of air permeability with total pore volume, critical pore diameter, and ordinary threshold pore diameter were low, although these have often been used as indicators. The median and threshold pore diameters obtained by percolation theory showed high determination coefficients. The equation using the threshold pore diameter better estimated the air permeability coefficient than the Katz–Thompson equation.
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Subject: Engineering - Civil Engineering
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