ICBR: In Situ California Bearing Ratio Tests

• Class: Samples, Amalgamated Specimens and Laboratory Test Scheduling

Heading	Unit	Type	Example	Description
LOCA_ID		ID	327-16A	Location identifier
ICBR_DPTH	m	2DP	0.5	Depth to top of CBR test
ICBR_TESN		X	2	Test reference
ICBR_ICBR	%	2SF	1.2	CBR value
ICBR_MC	%	MC	25	Moisture content relating to test
ICBR_DATE	yyyy-mm-dd	DT	20/03/2003	Test date
ICBR_KENT		X	2t Landrover	Details of kentledge (reaction load)
ICBR_SEAT	N	0DP	10	Seating force
ICBR_SURC	kPa	0DP	15	Surcharge pressure
ICBR_TYPE		PA	Mexecone	Type of CBR
ICBR_REM		X	Material >20mm below plunger, test terminated early, water ingress	Remarks
ICBR_ENV		X	Sunny and frosty	Details of weather and environmental conditions during test
ICBR_METH		X	Manufacturer’s instructions	Test method
ICBR_CONT		X	ACME On-site Testing Ltd	Name of testing organisation
ICBR_CRED		X	UKAS 0000	Accrediting body and reference number (when appropriate)
TEST_STAT		X	Checked	Test status
GEOL_STAT		X	1	Stratum reference shown on trial pit or traverse sketch
FILE_FSET		X	FS25	Associated file reference (eg test result sheets)

Notes - 4

• ICBR_TYPE allows a description or abbreviation to be included to categorise the equipment and method of measurement.
• ICBR_SEAT allows the plunger seating force to be included in the data as required.
• ICBR_SURC allows the surcharge pressure to be recorded and the description for the ICBR_REM heading has been modified.
• ICBR_CONT allows the name of a specialist sub-contracting organisation to be credited with the testing.