标准号:IS 9142-1979
发布日期:1979/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard covers the requirements of artificial lightweight aggre-gates, such as foamed blast furnace slag, bloated clay aggregate, sintered fly ash aggregate and cinder aggregate intended for use in concrete masonry units in which prime consideration is lightness in mass.