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Strength and permeability results from a range of concretes

✍ Scribed by F.D. Lydon; A.H. Mahawish

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
490 KB
Volume
19
Category
Article
ISSN
0008-8846

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✦ Synopsis

Some concretes of different compositions were tested for several strength properties, having been water-cured, sealed or air-dried before testing.

An unorthodox measure of tensile strength, developed at BRE(UK) -and labelled the ACT test here -was included as were measurements of permeability to nitrogen gas.

An analysis of the testing error associated with each test indicated that the techniques were acceptable.

Differences in the apparent ACT strength values of wet and air-dry specimens are thought to be related to the observed permeability behaviour, the former seemingly being much higher than the intrinsic strength.

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