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Fields for table: AC_MILLING

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.
AVG_INSIDE

NUMBER(3)
in

Average milled depth measured at the inside lane edge.
STD_INSIDE

NUMBER(3,1)
in

Standard deviation of the milled depth measured at the inside lane edge.
MIN_INSIDE

NUMBER(3,1)
in

Minimum milled depth measured at the inside lane edge.
MAX_INSIDE

NUMBER(3,1)
in

Maximum milled depth measured at the inside lane edge.
OUTSIDE_NO_MEASUREMENTS

NUMBER(2)


Number of measurements taken at the outside lane edge.
AVG_OUTSIDE

NUMBER(3,1)
in

Average milled depth measured at the outside lane edge.
STD_OUTSIDE

NUMBER(3,1)
in

Standard deviation of the milled depth measured at the outside lane edge.
MIN_OUTSIDE

NUMBER(3,1)
in

Minimum milled depth measured at the outside lane edge.
MAX_OUTSIDE

NUMBER(3,1)
in

Maximum milled depth measured at the outside lane edge.
MACRO_TEXTURE
MACRO_TEXTUREVARCHAR2(1)


Code indicating the general roughness of the surface as defined by the macro texture.
SHRP_ID

VARCHAR2(4)


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

NUMBER(3)
%

Estimate of extent of test section surface area delaminated.
RIDGE_HEIGHT

NUMBER(2,1)
in

Height of any longitudinal ridge between parallel passes.
OTHER_COMMENTS

VARCHAR2(80)


Comments describing events or features of the milling operation which may have potential impact on the performance of the overlay.
PATCH_AFTER_MILLING
Y_NVARCHAR2(1)


Code indicating whether patches were placed in the test section after the completion of milling.
TIME_MILL_SURFACE_OPEN

NUMBER(4)


Length of time milled surface was opened to traffic prior to placement of the replacement material layer.
MILLED_THE_SAME
Y_NVARCHAR2(1)


Code indicating if adjacent travel lane was milled to the same depth as the test section lane.
WIDTH_MILL_SAME_TEST

NUMBER(3,1)


Total width of adjacent lane (if not all) milled to the same depth as test section.
COMMENTS

VARCHAR2(120)


General comments pertaining to the milled operation.
DATE_COMPLETE

DATE


Date activity was completed.
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.
MILL_MANUFACTURER

VARCHAR2(40)


Name of manufacturer of milling machine.
MILL_MODEL

VARCHAR2(40)


Model number of milling machine.
CUT_HEAD_WIDTH

NUMBER(4,1)
in

Width of the cutting head employed on the milling machine.
INSIDE_NO_MEASUREMENTS

NUMBER(2)


Number of measurements taken at the inside lane edge.