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CBR Test

California Bearing Ratio for subgrade & base evaluation per ASTM D1883

Test Level
40% credibility
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STEP 1/3
California Bearing Ratio Test
Measure penetration resistance to evaluate subgrade and base course strength
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Ready for CBR Test
Enter test parameters and run the CBR test to evaluate soil bearing capacity.
📝 Notes
  • CBR measured at 2.5mm and 50mm penetration per ASTM D1883
  • Soaked samples submerged 48 hours prior to testing
  • Minimum of 3 specimens per sample for reliability
  • CBR ≥ 30 for subgrade in heavy traffic areas
🔌 Connection
🔴 Not connected
🛠 Hardware Check
Hardware ID: CBR-TESTER-01