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Fields for table: SMP_ELEV_AC_DATA

Field NameCodesData TypeUnitsTest ProtocolDescription
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
ELEV_IWP

NUMBER(5,4)
m

Surface elevation measurement in inner-wheel path.
ELEV_ILE

NUMBER(5,4)
m

Surface elevation measurement at inner-lane edge.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
CONSTRUCTION_NO

NUMBER(2)


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.
SMP_DATE

DATE


Measurement date.
SURF_ELEV_TIME

VARCHAR2(4)
hhmm

Start time of surface elevation survey.
LOC_ELEV

NUMBER(4,1)
m

Longitudinal location of surface elevation measurement.
ELEV_PE

NUMBER(5,4)
m

Surface elevation measurement at pavement edge.
ELEV_OWP

NUMBER(5,4)
m

Surface elevation measurement at outer-wheel path.
ELEV_ML

NUMBER(5,4)
m

Surface elevation measurement at mid-lane.