SHBT: Shear Box Testing - Data

• 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
SHBT_TESN		X	1	Shear box stage/specimen reference
SHBT_BDEN	Mg/m3	2DP	1.96	Initial bulk density
SHBT_DDEN	Mg/m3	2DP	1.63	Initial dry density
SHBT_NORM	kPa	0DP	100	Normal stress applied
SHBT_DISP	mm/min	2SF	0.024	Displacement rate for peak stress stage
SHBT_DISR	mm/min	2SF	0.12	Displacement rate for residual stress stage
SHBT_REVS		0DP	3	Number of traverses if residual test
SHBT_PEAK	kPa	1DP	65.5	Peak shear stress
SHBT_RES	kPa	1DP	47.2	Residual shear stress
SHBT_PDIS	mm	2DP	2.35	Horizontal displacement at peak shear stress
SHBT_RDIS	mm	2DP	12.41	Horizontal displacement at residual shear stress
SHBT_PDIN	mm	2DP	1.24	Vertical displacement at peak shear stress
SHBT_RDIN	mm	2DP	-4.23	Vertical displacement at residual shear stress
SHBT_PDEN	Mg/m3	XN	#2.65	Particle density with prefix # if value assumed
SHBT_IVR		3DP	0.526	Initial voids ratio
SHBT_MCI	%	MC	20	Initial moisture content
SHBT_MCF	%	MC	18	Final moisture content
SHBT_DIA1	mm	2DP	85.21	Specimen diameter in direction of shear (rock joints)
SHBT_DIA2	mm	2DP	89.34	Specimen diameter perpendicular to shear (rock joints)
SHBT_HGT	mm	2DP	80.02	Specimen height
SHBT_CRIT		X	Stress ratio	Failure/residual strength criterion used
SHBT_REM		X	Reached end of travel	Remarks
FILE_FSET		X	FS18	Associated file reference (eg test result sheets)

Notes - 1

• SHBT_PDIN & SHBT_RDIN - consolidation (flow of water out of specimen) to be reported as positive and dilatancy or swelling (flow of water into specimen) to be reported as negative.