AASHTO T 356 PDF download
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Standard Method of Test for Determining Air Content of Hardened Portland Cement Concrete by High-Pressure Air Meter
Published by | Publication Date | Number of Pages |
AASHTO | 2015 | 12 |
AASHTO T 356 – Standard Method of Test for Determining Air Content of Hardened Portland Cement Concrete by High-Pressure Air Meter
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.
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