Ref. Standards IS:7320, BS:1881 , ASTM C 143,AASHTOT119
The slump cone having dimension as (ID-100mm at top ID- 200mm at bottom & length 300mm) is filled with freshly mixed concrete and is tamped with a tamping bar in four layers. The top of the concrete is levelled off with the top of the slump cone, the cone is lifted vertically up and the slump of the sample is immediately measured.Slump Test Apparatus is with testing rod & base plate.