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Fields for table: SMP_TDR_MANUAL_DIELECTRIC

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)

Dir SM-28
Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
VELOCITY_PROP

NUMBER(3,2)

Dir SM-28
Cable tester signal propagation velocity setting.
CONDUCTIVITY

VARCHAR2(4)

Dir SM-28
Bulk conductivity class of material surrounding the TDR probe: low; high.
APPARENT_LEN_ANALYSIS

NUMBER(3,2)
m
Dir SM-28
Most probable value of apparent length interpreted from trace for use in analysis.
APPARENT_LEN_MIN

NUMBER(3,2)
m
Dir SM-28
Minimum possible value of apparent length.
APPARENT_LEN_MAX

NUMBER(3,2)
m
Dir SM-28
Maximum possible value of apparent length.
DIELEC_CONST_ANALYSIS

NUMBER(3,1)

Dir SM-28
Most probably value of dielectric constant computed from APARNT_LEN_ANALYSIS.
DIELEC_CONST_MIN

NUMBER(3,1)

Dir SM-28
Minimum dielectric constant computed from APARNT_LEN_ANALYSIS.
DIELEC_CONST_MAX

NUMBER(3,1)

Dir SM-28
Maximum dielectric constant computed from APARNT_LEN_MAX.
COMMENTS

VARCHAR2(128)

Dir SM-28
Manual TDR trace interpretation comments.
SHRP_ID

VARCHAR2(4)

Dir SM-28
Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
SMP_DATE

DATE

Dir SM-28
Measurement date.
TDR_TIME

VARCHAR2(4)
hhmm
Dir SM-28
TDR measurement time.
TDR_NO

NUMBER(2)


ID number of TDR probe.
CONSTRUCTION_NO

NUMBER(2)

Dir SM-28
Event number used to relate changes in pavement structure with other time dependent data elements. This field is set to 1 when a test section is initially accepted into LTPP and is incremented with each change to the layer structure.
RECORD_STATUS

VARCHAR2(1)

Dir SM-28
A code indicating the general quality of the data.
TDR_PROBE_LENGTH

NUMBER(4,3)
m
Dir SM-28
Actual length of TDR probe.
MAN_TRACE_TYPE
MAN_TRACE_TYPENUMBER(1)

Dir SM-28
Code indicating the manual TDR trace type classification.