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Fields for table: MON_DRAIN_PERM_MEAS

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.
CORE_OUTLET_DIST

NUMBER(4,1)
ft
NCHRP1-34D
Distance from the core site to the drain outlet.
EDGE_OUTLET_DIST

NUMBER(3,1)
ft
NCHRP1-34D
Distance from the pavement edge to the drain outlet.
SURF_ELEV

NUMBER(3,2)
ft
NCHRP1-34D
Elevation reading at pavement surface at core location.
PATB_TOP_ELEV

NUMBER(3,2)
ft
NCHRP1-34D
Elevation reading at top of PATB surface at core location.
PVMT_EDGE_ELEV

NUMBER(3,2)
ft
NCHRP1-34D
Elevation reading at pavement edge at core location.
OUTLET_EDGE_ELEV

NUMBER(4,2)
ft
NCHRP1-34D
Elevation reading at pavement edge at outlet location.
OUTLET_ELEV

NUMBER(4,2)
ft
NCHRP1-34D
Elevation reading at outlet location.
SS_INFILTRATION

NUMBER(2)
gal/min
NCHRP1-34D
Steady State infiltration rate.
FIRST_OUTFLOW

NUMBER(4)
sec
NCHRP1-34D
Time to first outflow.
INFLOW_TO_TRACER

NUMBER(3)
gal
NCHRP1-34D
Cumulative inflow to tracer input.
SHRP_ID

VARCHAR2(4)


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

NUMBER(4)
sec
NCHRP1-34D
Time to tracer outflow.
MAX_INFLOW_RATE

NUMBER(3,1)
gal/min
NCHRP1-34D
Maximum inflow rate.
INFLOW_STOPPED

NUMBER(3)
gal
NCHRP1-34D
Total inflow volume at time inflow was stopped.
POINT_LOC

NUMBER(4,1)
ft
NCHRP1-34D
Longitudinal distance from the section start to the core location.
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.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
TEST_DATE

DATE

NCHRP1-34D
Measurement Date.
CROSS_SLOPE

NUMBER(2,1)
%
NCHRP1-34D
Cross slope at core location as measured with digital level.
GRADE

NUMBER(2,1)
%
NCHRP1-34D
Longitudinal grade at core location as measured with digital level.
CORE_EDGE_DIST

NUMBER(3,1)
ft
NCHRP1-34D
Distance from the core site to the pavement edge.