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Home » Product Range »  Civil Engineering Equipment » Soil Testing Equipment » California Bearing Ratio Test

California Bearing Ratio Test

California Bearing Ratio Test Field Type - (SICSCBR-01)

To know California Bearing Ratio Test Field Type Values in situ, it is useful in determining the load carrying capacity in the field when in-place density and water contents are such that the degree of saturation is 80 % or greater, when material is conhensionless and coarse grained, such that it is not effected by changes in water contents and when the material has been in-place for considerable time. The loading is effected by means of a mechanical load frames which can be fixed to the under side of a truck.

Accessories : Dial guage 0.01mm x 25mm. High sensitivity Proving Ring 5000kg. capacity with calibration chart and carrying case.

CBR (California Bearing Ratio Test) -Hand Operated - (SICSCBR-02)

Salient Features
  • Load frame hand operated capacity 50 KN (5000 kgs.) with high and low rate of travel of the lead screw
  • Mould 150mm internal diam, 175mm high with perforated base plate, collar, tie rods and wing nut.
  • Penetration piston, face diam 50mm with adjustable bracket for dial gauge.
  • Circular metal spacer disc, 148mm diam x 47.7mm high with detachable handle.
  • Annular metal weight 2.5 kg, 147mm dia with 53mm dia hole
  • Slotted metal weight 2.5 kg, 147mm dia with 53mm slot Perforated plate, 148mm dia with adjustable stem and lock nut brass
  • Metal tripod for dial gauge.
  • Cutting collar for obtaining sample from field.
  • Rammer 2.6 kg x 310mm controlled drop through guide.
  • Rammer 4.89 kg x 450mm controlled drop through guide.
  • Proving ring 1000 kgs equipped with dial gauge least count 0.002mm
  • Strain dial gauge least count 0.01mm x 25mm travel

California Bearing Ratio Apparatus (Motorised) - (SICSCBR-03)

Salient Features
  • Similar to above but supplied with bench mounting type 5000kgf. capacity load frame motorised, in place of load frame hand oprated. The lead screw of the load frame has a single constant rate of travel of 1.25mm/min.
  • Accessories for Laboratory C.B.R. Apparatus :
    High sensitivity Proving Ring 3000kg. capacity with calibration chart and carrying case.
    Dial Gauges 2 Nos.0.01mm x 25mm.
    Annular metal weight 5 kg. 147mm dia with 53 mm dia. central hole.
  • Slotted metal weight, 5 kg. 147mm dia with 53 mm dia slot.
  • Note: Proving Ring of other capacities are also available.

Digital California Bearing Ratio Apparatus (Digital Model)

Digital CBR Testing Machine is designed for performing laboratory evaluation of the California Bearing Ratio value of highway sub bases and subgrade and for the determination of strength of cohesive materials which have maximum particle sizes less than 19 mm (3/4").

The machine is designed to be mounted on a suitable bench and comprises of a robust and compact two column frame with adjustable upper cross beam.

The Load frame is 50 kN capacity. Three test speeds are provided 1.25 mm/min, 1.50 mm/min & 2.5 mm/min tests.
Optional Accessories - software & PC interface.

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