FRST: Frost Susceptibility Tests

• 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	Prepared according to client instructions	Details of specimen preparation including time between preparation and testing
FRST_COND		PA	Recompaction	Sample condition
FRST_DDEN	Mg/m3	2DP	1.96	Dry density of specimens after preparation
FRST_MC	%	MC	24	Moisture content of specimens at preparation
FRST_HVE1	mm	1DP	3	Frost heave, first specimen
FRST_HVE2	mm	1DP	4.5	Frost heave, second specimen
FRST_HVE3	mm	1DP	3.5	Frost heave, third specimen
FRST_HVE	mm	1DP	3.6	Mean heave of 3 specimens
FRST_STAB	%	2SF	23	Amount of stabiliser added
FRST_STYP		X	Cement	Type of stabiliser added
FRST_REM		X		Notes on frost susceptibility testing as per TRRL SR 829
FRST_METH		X	BS EN 1997-2	Test method
FRST_LAB		X	ACME Laboratories plc	Name of testing laboratory/organisation
FRST_CRED		X	UKAS 0000	Accrediting body and reference number (when appropriate)
TEST_STAT		X	Checked	Test status
FILE_FSET		X	FS20	Associated file reference (eg test result sheets)

Notes - 1

• BS 812 requires the results of three specimens and the mean to be reported. However, all three specimens are prepared to exactly the same density and moisture content and hence both the standard and the data format only require one density and moisture content.