This specification is applicable to unreinforced concrete, reinforced concrete and prestressed reinforced concrete mixed with fly ash in construction sites, centralized mixing plants and precast plants in various engineering constructions.
GBJ 146-1990 history
2014GB/T 50146-2014 Technical code for application of fly ash concrete
1990GBJ 146-1990 Technical code for application of fly ash concrete
GBJ 146-1990 Technical code for application of fly ash concrete was changed to GB/T 50146-2014 Technical code for application of fly ash concrete.