CNS 9661-1987
Method of Test for Air Content of Freshly Mixed Concrete by the Pressure Method (English Version)

Standard No.

CNS 9661-1987

Language

Chinese, Available in English version

Release Date

1987

Published By

Taiwan Provincial Standard of the People's Republic of China

Latest

CNS 9661-1987

Scope

1.1 This standard specifies a test method for determining the air content of fresh concrete by observing changes in concrete volume when pressure changes. 1.2 This standard is particularly applicable to the test method for the air content of fresh concrete and cement mortar made of relatively dense aggregates. The correction coefficient of the aggregates can be determined by the method specified in Section 4. However, this standard does not apply to light particles. material, air-cooled blast furnace ballast, or high

CNS 9661-1987 history

• 1987 CNS 9661-1987 Method of Test for Air Content of Freshly Mixed Concrete by the Pressure Method

Standard and Specification