CBR Test mould and accessories

The CBR - California Bearing Ratio - method is used for the laboratory evaluation of subgrade and subbase coarse materials in road construction.
The apparatus comprises moulds with accessories, compaction rammers (the automatic models are the same used for the compaction of Proctor moulds). Different models are available conforming to the various specifications in use.
1 CBR mould complete with collar and perforated base plate. Plated steel, 6 in. (152.4 mm) dia. x 7 in. (177.8 mm) body height .
2 Annular surcharge weight, 2.27 kg
3 Slotted surcharge weight, 2.27 kg