RELD: Relative Density 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	Brown sandstone	Specimen description
SPEC_PREP		X	Prepared according to client instructions	Details of specimen preparation including time between preparation and testing
RELD_DMAX	Mg/m3	2DP	2.15	Maximum dry density
RELD_375	%	0DP	7	Weight percent of sample retained on 37.5mm sieve
RELD_063	%	0DP	10	Weight percent of sample retained on 6.3mm sieve
RELD_020	%	0DP	5	Weight percent of sample retained on 2mm sieve
RELD_DMIN	Mg/m3	2DP	1.65	Minimum dry density
RELD_REM		X	Material >37.5 replaced with smaller material	Remarks on test
RELD_METH		X	BS1377 part 4, cl 4.2 and 4.4 or 4.3 and 4.5 or in house method	Test method
RELD_LAB		X	ACME Laboratories plc	Name of testing laboratory/organisation
RELD_CRED		X	UKAS 0000	Accrediting body and reference number (when appropriate)
TEST_STAT		X	Checked	Test status
FILE_FSET		X	FS24	Associated file reference (eg test result sheets)

Notes - 1

• The maximum and minimum on sands has the possibility of being on two different sizes, <6.3mm ( max ) and <2mm ( min ). Since the minimum density is a discreet test the percentage retained 2mm should be the total and not that between 6.3 and 2mm - as may be derived in practice.