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Fields for table: AC_PLACEMENT

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.
MTV_TYPE_OTHER

VARCHAR2(40)


Material transfer device used if other than those listed.
MTV_BRAND

VARCHAR2(40)


Brand of material transfer device used.
TACK_COAT
Y_NVARCHAR2(1)


Yes or No field indicating if a tack coat was used.
TACK_COAT_MATL
ASPHALTVARCHAR2(2)


Code indicating type of asphaltic tack coat material used.
TACK_COAT_MATL_OTHER

VARCHAR2(40)


Type of asphaltic tack coat material used if other than those specified.
TACK_COAT_DILUTION

NUMBER(2)
%

Percent of dilution for tack coat.
TACK_COAT_RATE

NUMBER(3,1)
gal/sq yd

Rate of application of the tack coat.
HAUL_DISTANCE

NUMBER(3)
mi

Haul distance from mix plants to project site.
HAUL_TIME

NUMBER(3)
min

Haul time from mix plants to project site.
LAYDOWN_WIDTH

NUMBER(3,1)
ft

Width of the finished AC from a single pass of the paving train.
SHRP_ID

VARCHAR2(4)


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

NUMBER(4,1)
m

Location of transfer joints in pavement.
LONG_SURFACE_JOINT_LOC
JOINT_LOCVARCHAR2(1)


Code indicating where the longitudinal surface joint is located within the test section.
LONG_JOINT_OFFSET

NUMBER(3,1)
ft

Offset distance of longitudinal joint in the surface from outside shoulder longitudinal surface joint.
SIGNIFICANT_EVENTS

VARCHAR2(80)


Any significant event occurring during construction that may influence performance.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
LAYER_NO

NUMBER(2)


Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
DATE_BEGAN

DATE


Date paving operations began.
DATE_COMPLETE

DATE


Date paving operations complete.
PMA_PLANT_TYPE
PLANT_TYPEVARCHAR2(1)


Code indicating type of asphalt concrete mix plant.
PMA_PLANT_TYPE_OTHER

VARCHAR2(40)


Type of asphalt concrete mix plant if other than those specified.
PMA_PLANT_NAME

VARCHAR2(40)


Name of asphalt concrete mix plant.
MTV_TYPE
MTV_TYPEVARCHAR2(1)


Code indicating the type of material transfer device used.