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Fields for table: MNT_GMG

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.
GMG_REASON_OTHER

VARCHAR2(40)


Reason for milling, grinding, or grooving if other than those specified.
GMG_EXTENT
GMG_EXTENTNUMBER(1)


Code for extent of milling, grinding, or grooving.
GMG_EXTENT_OTHER

VARCHAR2(40)


Extent of milling, grinding, or grooving if other than those specified.
AVG_DEPTH

NUMBER(3,2)
in

Average depth of the cut in the surface material.
AVG_DEPTH_SOURCE
MNT_SOURCENUMBER(1)


Data source for average depth of cut.
HEAD_WIDTH

NUMBER(4,1)
in

Approximate width of the machine cutting head.
HEAD_WIDTH_SOURCE
MNT_SOURCENUMBER(1)


Code indicating the data source for cutting head width.
GROOVE_WIDTH

NUMBER(2,1)
in

Average groove width.
GROOVE_WIDTH_SOURCE
MNT_SOURCENUMBER(1)


Data source for average groove width.
BLADE_SPACING

NUMBER(1,1)
in

Average spacing between the grinding blades.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
BLADE_SPACING_SOURCE
MNT_SOURCENUMBER(1)


Data source for average spacing between grinding blades.
RECORD_STATUS

VARCHAR2(1)


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

DATE


Date activity was completed.
SHRP_CASE_NO

NUMBER(4)


Key generated by the computer to insure uniqueness of records.
DATE_BEGAN

DATE


Date operations began.
PAVE_TYPE
PAVE_TYPE_MNTNUMBER(1)


Code for pavement surface type.
METHOD
METHOD_GMG_MNTNUMBER(1)


Code indicating whether grinding, milling, or grooving was used.
GMG_REASON
GRINDING_REASONNUMBER(1)


Code for the reason for milling, grinding, or grooving.