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Fields for table: SPS2_PMA_MIXTURE_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.
NO_BULK_SPEC_GRAVITY

NUMBER(2)


Number of bulk specific gravity tests.
ASPHALT_CONTENT_MEAN

NUMBER(3,1)
%

Mean asphalt content - percent by weight of total mixture.
ASPHALT_CONTENT_MIN

NUMBER(3,1)
%

Minimum asphalt content - percent by weight of total mixture.
ASPHALT_CONTENT_MAX

NUMBER(3,1)
%

Maximum asphalt content - percent by weight of total mixture.
ASPHALT_CONTENT_STD_DEV

NUMBER(3,1)


Standard deviation of asphalt content - percent by weight of total mixture.
NO_SAMP_ASPHALT_CONTENT

NUMBER(2)


Number of samples taken to determine percent of asphalt content.
PCT_AIR_VOIDS_MEAN

NUMBER(3,1)
%

Mean calculated air voids as a percent of material volume.
PCT_AIR_VOIDS_MIN

NUMBER(3,1)
%

Minimum calculated air voids as a percent of material volume.
PCT_AIR_VOIDS_MAX

NUMBER(3,1)
%

Maximum calculated air voids as a percent of material volume.
PCT_AIR_VOIDS_STD_DEV

NUMBER(3,1)


Standard deviation of calculated air voids as a percent of material volume.
STATE_CODE
STATE_PROVINCENUMBER(2)


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

NUMBER(2)


Number of samples taken for percent of air voids.
VOIDS_MINERAL_AGGR

NUMBER(3,1)
%

Void space between aggregate particles in compacted asphalt concrete.
EFF_ASPHALT_CONTENT

NUMBER(3,1)
%

Mean effective asphalt content.
MARSHALL_STABILITY

NUMBER(4)
lbf

Mean Marshall stability for mixture during laboratory compaction.
NUMBER_OF_BLOWS

NUMBER(2)


Number of blows used to compact AC sample.
MARSHALL_FLOW

NUMBER(4)
.01 in

Mean Marshall flow for mixture during laboratory mix design.
HVEEM_STABILITY

NUMBER(3)


Hveem stabilometer value of specimen.
HVEEM_COHESIOMETER

NUMBER(4)
g/25mm

Hveem cohesiometer value of specimen.
ANTISTRIP_AGENT_TYPE
ANTISTRIPNUMBER(2)


Code for the type of antistripping agent used.
ANTISTRIP_AGENT_TYPE_OTHER

VARCHAR2(40)


Type of antistripping agent used if other than those specified.
LAYER_NO

NUMBER(2)


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


Code indicating whether the antistripping agent was liquid or solid.
ANTISTRIP_AGENT_AMOUNT

NUMBER(3,1)
%

Amount of antistripping agent used in mixture - percent asphalt cement weight if liquid; percent aggregate weight if solid.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
SAMPLE_TYPE
SAMPLE_TYPENUMBER(1)


Code indicating how samples were taken.
MAX_SPEC_GRAVITY

NUMBER(4,3)


Maximum specific gravity of a mixture sampled during or soon after construction.
BULK_SPEC_GRAVITY_MEAN

NUMBER(4,3)


Mean bulk specific gravity of as-placed mixture.
BULK_SPEC_GRAVITY_MIN

NUMBER(4,3)


Minimum bulk specific gravity of as-placed mixture.
BULK_SPEC_GRAVITY_MAX

NUMBER(4,3)


Maximum bulk specific gravity of as-placed mixture.
BULK_SPEC_GRAVITY_STD_DEV

NUMBER(4,3)


Standard deviation of bulk specific gravity of as-placed mixture.