This standard specifies lightweight aggregates (hereinafter referred to as lightweight aggregates) used in lightweight structural concrete. Structural lightweight concrete here refers to concrete used in major structural locations, such as reinforced lightweight concrete structures, prestressed lightweight concrete structures, steel-reinforced lightweight concrete structures, and precast lightweight concrete products. say.
JIS A 5002:2003 history
2003JIS A 5002:2003 Lightweight aggregates for structural concrete
1999JIS A 5002:1999 Lightweight aggregates for structural concrete
1994JIS A 5002:1994 Light weight aggregates for structural concrete