CBRG: California Bearing Ratio Tests - General

  • Class: Samples, Amalgamated Specimens and Laboratory Test Scheduling
Heading Unit Type Example Description
LOCA_ID   ID 327-16A Location identifier
SAMP_TOP m 2DP 24.55 Depth to top of sample
SAMP_REF   X 24 Sample reference
SAMP_TYPE   PA U Sample type
SAMP_ID   ID ABC121415010 Sample unique global identifier
SPEC_REF   X 1a Specimen reference
SPEC_DPTH m 2DP 24.55 Depth to top of test specimen
SPEC_DESC   X Grey slightly gravelly clay Specimen description
SPEC_PREP   X Stored at constant moisture content for 7 days, then soaked for 7 days, maintained at 20?? throughout Details of specimen preparation including time between preparation and testing
CBRG_COND   PA Undisturbed Sample condition
CBRG_NMC % MC 20 Natural moisture content of specimen prior to test
CBRG_200 % 0DP 10 Weight percent retained on 20mm sieve
CBRG_STAB % 2SF 23 Amount of stabiliser added
CBRG_STYP   X Cement Type of stabiliser added
CBRG_REM   X Specimen lifted during penetration Remarks including commentary on effect of specimen disturbance on test result
CBRG_METH   X BS1377: Part 4: 1990 4.5kg compactive effort Test method including remoulding
CBRG_LAB   X ACME Laboratories plc Name of testing laboratory/organisation
CBRG_CRED   X UKAS 0000 Accrediting body and reference number (when appropriate)
TEST_STAT   X Checked Test status
FILE_FSET   X FS16 Associated file reference (eg equipment calibrations)

Notes - 2

  • Initial moisture content required for each stage of testing, heading added to CBRT group and removed from CBRG.
  • New headings added to permit details of test method, laboratory and test accreditation to be included in data.