This standard specifies the rate of change of unit volume mass of mortar and the rate of change of unit coarse aggregate in fresh concrete mixed with a mixer.
KS F 2455-2014 history
2019KS F 2455-2019 Standard test method for variability of fresh concrete by measuring mortar and coarse aggregate contents
2014KS F 2455-2014 Standard test method for variability of freshly mixed fresh concrete by measuring mortar and coarse aggregate contents
2011KS F 2455-2011 Standard test method for variability of freshly mixed concrete by measuring mortar and coarse aggregate contents
1986KS F 2455-1986 Standard test method for variability of freshly mixed concrete by measuring mortar and coarse aggregate contents