air permeability test

air permeability test

A test for the measurement of the fineness of powdered materials, such as portland cement.
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For this, we investigated air permeability, water vapor transport rate, and resistance to water penetration average value of the samples using standard tests (air permeability test according to BS 5636, test of water vapor transport rate according to ASTM E96-00, and water penetration resistance test according to ISO 811).
In air permeability test, reduction ratios are also measured to be 86.7% in surface-impregnated concrete with 21 MPa and 85.0-90.0% in that with 34 MPa, respectively.
For air permeability test, the method explained in ASTM D507 and D737 was used.
The air permeability tests were performed at the age of 7 days in a variable charge apparatus using the methodology proposed by Thenoz [15-17] (Figure 4).
On the reverse side of each slab, three TORRENT air permeability tests (Fig.
The authors are grateful to Ilze Baltina for an opportunity to perform air permeability tests in the Institute of Technology and Design of Textile Materials.