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Fields for table: SMP_DRY_DENSITY

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.
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.
INSTALL_DATE

DATE


Instrumentation installation date.
DENSITY_DEPTH

NUMBER(3,2)
m

Depth of dry density material sample from pavement surface.
DRY_DENSITY

NUMBER(3,2)
g/cu cm

Dry density of the specimen.
MOIST_CONT_DENSITY

NUMBER(3,1)
%

Moisture content of dry density sample.
COMMENTS

VARCHAR2(128)


Additional information on site conditions when dry density measurements were made.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.