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Fields for table: BAKCAL_PASS

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)


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

VARCHAR2(4)


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

NUMBER(4)


Number identifying the consecutive FWD pass for a given test section.
TEST_DATE

DATE


Date the test was performed.
LANE_NO

VARCHAR2(2)


Code indicating the lane or position where the deflection test was performed.
DROP_HEIGHT

VARCHAR2(1)


Integer code for the height from which the weight was dropped.
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.
BC_STRUCTURE_NO

NUMBER(2)


Number identifying the structure used for backcalculation purposes.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.