标准号:IS 2430-1969
发布日期:1970/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes the methods for sampling of aggregates for concrete for:a) preliminary investigation of sources of supply and acceptance or rejection of source of supply,b) inspection of shipment of materials, andc) inspection of materials on the site of work.1.2 The standard also specifies methods of sample reduction, packing and forwarding them for examination and testing.