This standard specifies the equipment, test pieces, test procedures, result calculation and evaluation and test report for the test of compressive strength, tensile strength, flexural strength, axial compressive strength and static compressive modulus of elasticity of air-entrained concrete. . This standard applies to air-entrained concrete.
GB/T 11971-1997 history
2020GB/T 11969-2020 Test methods of autoclaved aerated concrete
2008GB/T 11969-2008 Test methods of autoclaved aerated concrete
1997GB/T 11971-1997 Test method for mechanical property of aerated concrete
GB/T 11971-1997 Test method for mechanical property of aerated concrete was changed to GB/T 11969-2008 Test methods of autoclaved aerated concrete.