AASHTO MATERIALS REFERENCE LABORATORY (AMRL)
Soil California Bearing Ratio Proficiency Sample Program Data Sheet
Closing Date: September 11, 2014
We encourage you to use the online data entry system to submit your results. Or, you may fax 240-436-4899 or
mail your data sheet to: John J. Malusky, AMRL 4441 Buckeystown Pike, Suite A, Frederick, MD 21704. If your
laboratory is not registered to enter results online, or if there are questions, contact AMRL at psp@amrl.net or call
240-436-4900.
California Bearing Ratio Testing
Enter Test Results for Each Sample in Rows (1) to (7) Below
Sample
169 (A)
Water (Moisture) Content :
Mark the Box to Show the Method Used – T265
, D2216
Water (Moisture) Content as Received (0.1%) ................................................... (1)
Water Content immediately before Compaction (0.1%) .................................... (2)
Water Content of unused material immediately after Compaction (0.1%) ..... (3)
California Bearing Ratio (CBR):
Mark the Box to Show the Method Used – T193
, D1883
Mark the Box to Show Type of Rammer Used - Manual
, Mechanical
Unit Weight:
Dry Unit Weight of compacted specimen before soaking (nearest 0.1 lb/ft3) . (4)
Swell Testing Results:
Swell – Percentage of Initial Specimen Height (0.01%) ................................. (5)
CBR Testing Results:
CBR (Corrected) at 0.1 in. penetration (nearest 0.1) ..................................... (6)
CBR (Corrected) at 0.2 in. penetration (nearest 0.1) ..................................... (7)
Please complete the information below to identify your laboratory.
Lab Name:
City, State:
Country:
Tested By:
Lab Phone:
Comments:
Lab Number:
Sample
170 (B)