Bearing ratio (CBR) tester is used for carrying out bearing ratio tests on various soil and pavement base and underlying materials after making specimens in the specified test cylinder.The maximum particle size of the mixture should be controlled within 25mm and not more than 40mm.
BS 1377-4,EN 13286-47,
Diameter 50mm x100mm
4PCS(OD 150mm,ID 52mm, weight 1.25KG/PC)
ID 152mm x170mm