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AASHTO T 318
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AASHTO T 318 2015 Edition, January 1, 2015 Standard Method of Test for Water Content of Freshly Mixed Concrete Using Microwave Oven Drying
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Description / Abstract:
This method covers the measurement of total water content of
fresh concrete. It consists of drying a test specimen of fresh
concrete using a relatively high-power microwave oven within a
short period of time. The difference in mass between the fresh and
dry concrete test specimen will be the water content of that test
specimen. Water content per unit volume of concrete can be
determined by knowing the unit weight of that concrete. Unit weight
shall be determined in accordance with T 121M/T 121 or ASTM
C138/C138M.
This standard is applicable to both laboratory and field testing.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.
This standard is applicable to both laboratory and field testing.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.