RDEN: Rock Porosity and 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
RDEN_MC	%	MC	2.1	Water content of specimen
RDEN_SMC	%	MC	2.3	Saturated water content
RDEN_BDEN	kg/m3	0DP	2260	Bulk density
RDEN_DDEN	kg/m3	0DP	2210	Dry density
RDEN_PORO	%	1DP	17.3	Porosity
RDEN_PDEN	kg/m3	0DP	2750	Apparent particle density
RDEN_TEMP	degC	0DP	60	Temperature sample dried at
RDEN_REM		X	Average of three reported	Remarks
RDEN_METH		X	ISRM : Suggested method for determining porosity/density using saturation and calliper technique.	Test method
RDEN_LAB		X	ACME Laboratories plc	Name of testing laboratory/organisation
RDEN_CRED		X	UKAS 0000	Accrediting body and reference number (when appropriate)
TEST_STAT		X	Checked	Test status
FILE_FSET		X	FS10	Associated file reference (eg test result sheets)

Notes - 2

• Measurements of density on soil materials should be reported in LDEN.
• RDEN_PDEN is denoted as the ‘apparent particle density’ reflecting fact that it is calculated rather than measured. This may not be the same as the particle density of the solid material.