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JIS A 1118:2017 specifies the method of test for air content of fresh concrete by volumetric method.

This Standard is applicable to the concrete containing coarse aggregates each with a maximum size of not more than 40 mm. If concrete contains the coarse aggregates each with the maximum size exceeding 40 mm, it is preferable to screen the aggregates into 40 mm or less by the method of wet screening, and use them for measurement and calculation of the air content.

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Published: 01/01/2017 Number of Pages: 13File Size: 1 file , 520 KB