This standard specifies the equipment, test pieces, test procedures, result evaluation and test report for the frost resistance test of aerated concrete. This standard applies to air-entrained concrete.
GB/T 11973-1997 history
2020GB/T 11969-2020 Test methods of autoclaved aerated concrete
2008GB/T 11969-2008 Test methods of autoclaved aerated concrete
1997GB/T 11973-1997 Test method for frost-resistance of aerated concrete
GB/T 11973-1997 Test method for frost-resistance of aerated concrete was changed to GB/T 11969-2008 Test methods of autoclaved aerated concrete.