LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: AC_AGGR_PROP

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.
ABSORPTION_FINE

NUMBER(4,3)


Absorption of the fine aggregate.
BSG_COARSE

NUMBER(4,3)


The mean bulk specific gravity for coarse aggregate.
BSG_FINE

NUMBER(4,3)


The mean bulk specific gravity for fine aggregate.
BSG_MINERAL_FILLER

NUMBER(4,3)


The mean bulk specific gravity for mineral filler.
BSG_COMBINED

NUMBER(4,3)


Mean bulk specific gravities for the aggregate combination.
EFFECTIVE_SPEC_GRAVITY

NUMBER(4,3)


Mean calculated effective specific gravity.
GMM_RAS

NUMBER(3,2)


Theoretical maximum specific gravity of recycled asphalt shingles.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
SHRP_ID

VARCHAR2(4)


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

NUMBER(2)


Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
AGGR_TYPE
PMA_AGGRVARCHAR2(1)


Code indicating the type of aggregate.
COARSE_AGG_CLASS
GEOL_CLASSVARCHAR2(2)


Code indicating the geologic class of the coarse aggregate.
MINERAL_FILLER
SPS9_MINERAL_FILLERVARCHAR2(1)


Code indicating the type of mineral filler.
MINERAL_FILLER_OTHER

VARCHAR2(40)


Type of mineral filler if other than those specified.
POLISH_VALUE

NUMBER(3)


Accelerated polish value of coarse aggregates.
ABSORPTION_COARSE

NUMBER(4,3)


Absorption of the coarse aggregate.