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AASHTO T 356
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AASHTO T 356 2015 Edition, January 1, 2015 Standard Method of Test for Determining Air Content of Hardened Portland Cement Concrete by High-Pressure Air Meter
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Description / Abstract:
This test method covers laboratory determination of the air
content of hardened portland cement concrete with the use of the
high-pressure air meter. This determination is made from the
observation of change in linear piston movement with a specimen in
the test chamber from that of the linear piston movement with no
specimen in the test chamber. This change is due to a replacement
of specific volume of compressible air by a specific volume of
incompressible water.
This procedure may involve hazardous materials, operations, and equipment. This procedure does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this procedure to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitation prior to use.
This procedure may involve hazardous materials, operations, and equipment. This procedure does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this procedure to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitation prior to use.