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The pressure method of determining air content can be used on concrete containing _____ _____ aggregate
relatively dense
The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: _______, ______, ______.
Lightweight, air cooled, high porosity
What is the minimum allowable capacity of the measuring bowl used in this test method?
.2 ft^3 or CF or 6.0L
What are the required characteristics of the tamping rod used in this test method?
smooth, round, straight, rounded end, 5/8 diameter +- 1/16'' or 16mm +- 2mm
What is the specified size of the mallet required for this test method when the measuring bowl has a capacity of 14L [0.5CF] or less?
1.25 +- .5 lbs
The sample of concrete used for this test is to be obtained in accordance with what ASTM Standard?
C-172
The maximum size aggregate allowed for this test method is _____
2''
If the concrete contains aggregate larger than the maximum allowed for this test, the sample must be
wet sieved
If the concrete is to be consolidated by rodding, the measure is filled in ____ layers
3 layers
If the concrete sample is to be consolidated by vibration, the measure is filled in _____ layers
2 layers
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