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Fields for table: BAKCAL_BASIN

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.
BASIN_CHARACTERIZATION
BASIN_CHARVARCHAR2(1)


Code identifying the type of basin.
SURFACE_TEMP

NUMBER(5,1)
deg F

The average temperature at the mid-depth of the surface layer used in the backcalculation process.
BASE_TEMP

NUMBER(5,1)
deg F

The average temperature at the mid-depth of the second layer from the surface used in the backcalculation process.
TIME_DIFFERENCE

VARCHAR2(4)
min

Time difference between the temperature and deflection basin readings.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
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.
BASIN_NO

NUMBER(6)


Unique number identifier for each drop basin on a given FWD pass.
TEST_TIME

VARCHAR2(4)
hhmm

Time deflection test sequence at this location was begun.
POINT_LOC

NUMBER(4,1)
m

Distance from the start of the section to where the test was performed.
LANE_NO
LANE_SPECVARCHAR2(2)


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

NUMBER(2)


Sequential number indicating the order of the drop in the series.
DROP_LOAD

NUMBER(6)
kPa

Peak plate load (plate pressure).