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Fields for table: RHB_HMRAP_NEW_AC_PROP

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.
ASPHALT_SPECIFIC_GRAVITY

NUMBER(4,3)


Mean specific gravity of asphalt cement.
ASPHALT_VISCOSITY_140

NUMBER(6)
poise

Kinematic viscosity of asphalt at 140 degrees F.
ASPHALT_VISCOSITY_275

NUMBER(6,2)
centistokes

Absolute viscosity of asphalt at 275 degrees F.
PENETRATION_77

NUMBER(3)
.1 mm

Penetration at 77 degrees F.
DUCTILITY_77

NUMBER(3)
cm

Ductility of new asphalt cement at 77 degrees F.
DUCTILITY_39

NUMBER(3)
cm

Ductility of new asphalt cement at 39.2 degrees F.
DUCTILITY_TEST_RATE

NUMBER(3)
cm/min

Test rate for ductility measurement at 39.2 degrees F.
PENETRATION_39

NUMBER(3)
.1 mm

Penetration at 39.2 degrees F.
RING_BALL_SOFT_PT

NUMBER(3)
deg F

Softening point of asphalt cement as measured with ring and ball apparatus.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
DATE_COMPLETE

DATE


Date activity was completed.
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.
LAYER_NO

NUMBER(2)


Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
ASPHALT_GRADE
ASPHALTNUMBER(2)


Code indicating grade of asphalt cement.
ASPHALT_GRADE_OTHER

VARCHAR2(40)


Grade of asphalt cement if other than those specified.
SOURCE
REFINERNUMBER(2)


Code indicating the source of the asphalt cement.
SOURCE_OTHER

VARCHAR2(40)


Source of the asphalt cement if other than those specified.