
Testing fresh concrete - Part 7: Air content - Pressure methods
出版:Netherlands Standards

專家解讀視頻
NEN-EN 12350-7 describes two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the?coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 63 mm.
EN 12350-7:2019 - Identical