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Fields for table: INV_PCC_MIXTURE

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.
CEMENT_TYPE_OTHER

VARCHAR2(40)


Type of Portland cement used if other than those listed.
ALKALI_CONTENT_CEMENT

NUMBER(3,1)
%

Alkali content of cement.
ENTRAINED_AIR_MEAN

NUMBER(3,1)
%

Mean entrained air content, percent of mix volume.
ENTRAINED_AIR_MIN

NUMBER(3,1)
%

Minimum entrained air content, percent of mix volume.
ENTRAINED_AIR_MAX

NUMBER(3,1)
%

Maximum entrained air content, percent of mix volume.
SLUMP_MEAN

NUMBER(2,1)
in

Average measured slump value for PCC material.
SLUMP_MIN

NUMBER(2,1)
in

Minimum measured slump value for PCC material.
SLUMP_MAX

NUMBER(2,1)
in

Maximum measured slump value for PCC material.
SLUMP_STD_DEV

NUMBER(3,2)
in

Standard deviation of the measured slump values for PCC material.
NO_SLUMP_TESTS

NUMBER(3)


Number of slump tests.
STATE_CODE
STATE_PROVINCENUMBER(2)


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

NUMBER(4,3)


Bulk specific gravity of coarse aggregate.
FINE_AGGR_BULK_SPEC_GRAVITY

NUMBER(4,3)


Bulk specific gravity of the fine aggregate.
GEOL_CLASS_COARSE_AGGR
GEOL_CLASSNUMBER(2)


Code for geologic classification of coarse aggregate.
INSOLUBLE_RESIDUE

NUMBER(3)
%

The percentage of insoluble residue (non-carbonate material).
PAVER_TYPE
PAVER_TYPENUMBER(1)


Code indicating the type of paver used.
PAVER_TYPE_OTHER

VARCHAR2(40)


Type of paver used if other than those listed.
CONCRETE_CURE_METHOD
CONCRETE_CURENUMBER(1)


Code for the method used to cure concrete.
CONCRETE_CURE_METHOD_OTHER

VARCHAR2(40)


Method used to cure concrete if other than those specified.
CONCRETE_TEXTURE_METHOD
CONCRETE_TEXTURE_METHODNUMBER(1)


Code for method used to texture concrete.
CONCRETE_TEXTURE_METHOD_OTHER

VARCHAR2(40)


Method used to texture concrete if other than those specified.
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.
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).
MIX_DESIGN_COARSE

NUMBER(4)
lb

Oven dry weight of coarse aggregate provided by the mix design per unit volume of concrete.
MIX_DESIGN_FINE

NUMBER(4)
lb

Oven dry weight of fine aggregate provided by the mix design per unit volume of concrete.
MIX_DESIGN_CEMENT

NUMBER(4)
lb

Oven dry weight of cement provided by the mix design per unit volume of concrete.
MIX_DESIGN_WATER

NUMBER(4)
lb

Weight of water provided by the mix design per unit volume of concrete.
CEMENT_TYPE
PC_TYPENUMBER(2)


Code indicating the type of Portland cement used.