Laboratory California Bearing Ratio Test Apparatus
Ref. Standards IS:9669, IS:2720 (Part XVI), BS 1377; 1924; EN 13286-47/ASTM D 1883; AASHTO 193
The California Bearing Ratio test (usually called the CBR test) is an empirical test developed in California, USA for determining the Relative Bearing Ratio and expansion characteristics under known surcharge weight of base, sub-base, and subgrade soils for the design of roads, pavements, and runways. The CBR test is used extensively in selection of materials and control of subgrades.
The test can be performed in the laboratory on prepared samples or in situ on location. It is important to appreciate that this test, being of an empirical in nature, is valid only for the application for which it was developed, i.e., the design of highway base thickness.
Salient Features:
- Compact, bench-top design
- Rapid Platen Adjustment
- Complete with stabilizing bar
- Options for mechanical or electronic measurement
Suitable for operation on 220V, 50 Hz, single-phase AC supply.
Models available (Ordering Information):
- AIM-120 Analogue Laboratory California Bearing Ratio Test Apparatus, Three Speed, with Gun Metal Mould Assembly
- AIM-120-MS Analogue Laboratory California Bearing Ratio Test Apparatus, three speeds, with mild steel mould assembly
- AIM-120-3 Analogue Laboratory California Bearing Ratio Test Apparatus, 34 Speed, with Gun Metal Mould Assembly
- AIM-120-3-MS Analogue Laboratory California Bearing Ratio Test Apparatus, 34 Speed, with Mild Steel Mould Assembly
- AIM-121 Digital Laboratory California Bearing Ratio Test Apparatus, Three Speed, with Gun Metal Mould Assembly
- AIM-121-MS Digital Laboratory California Bearing Ratio Test Apparatus, Three Speed, with Mild Steel Mould Assembly
- AIM-121-6 Digital Laboratory California Bearing Ratio Test Apparatus, 34 Speed, with Gun Metal Mould Assembly
- AIM-121-6-MS Digital Laboratory California Bearing Ratio Test Apparatus, 34 Speed with Mild Steel Mould Assembly
- AIM-121-4 Digital Laboratory California Bearing Ratio Test Apparatus with Aimil DAQ & Aimil Analysis Module, Three Speed, with Gun Metal Mould Assembly
- AIM-121-4-MS Digital Laboratory California Bearing Ratio Test Apparatus with Aimil DAQ & Aimil Analysis Module, Three Speed, with Mild Steel Mould Assembly
- AIM-121-7 Digital Laboratory California Bearing Ratio Test Apparatus with Aimil DAQ & Aimil Analysis Module, 34 Speed, with Gun Metal Mould Assembly
- AIM-121-7-MS Digital Laboratory California Bearing Ratio Test Apparatus with Aimil DAQ & Aimil Analysis Module, 34 Speed, with Mild Steel Mould Assembly
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