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Fields for table: TST_AC02

Field NameCodesData TypeUnitsTest ProtocolDescription
SHRP_ID

VARCHAR2(4)

P02
Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
BSG

NUMBER(4,3)

P02
Bulk specific gravity of the asphalt bound layer.
WATER_ABS

NUMBER(2)
%
P02
Percent of water absorbed by volume.
PARAFFIN_COATED
Y_NVARCHAR2(1)

P02
Code indicating if the sample was paraffin coated.
COATED_BSG

NUMBER(4,3)

P02
Coated bulk specific gravity of the asphalt bound layer.
SAMPLE_NO

VARCHAR2(7)

P02
Unique code number assigned to each material sample indicating the sample type and material type. The first character indicates the sample type. The second character indicates the material type. The numeric suffix is the unique sample number for the sample type and material type.
TEST_DATE

DATE

P02
Date the test was performed.
COMMENTS_1
COMMENTNUMBER(2)

P02
Code for testing comments.
COMMENTS_2
COMMENTNUMBER(2)

P02
Code for testing comments.
COMMENTS_3
COMMENTNUMBER(2)

P02
Code for testing comments.
COMMENTS_4
COMMENTNUMBER(2)

P02
Code for testing comments.
STATE_CODE
STATE_PROVINCENUMBER(2)

P02
Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
COMMENTS_5
COMMENTNUMBER(2)

P02
Code for testing comments.
COMMENTS_6
COMMENTNUMBER(2)

P02
Code for testing comments.
COMMENTS_OTHER

VARCHAR2(40)

P02
A note used to record additional observations regarding the test, or test results.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
LAYER_NO

NUMBER(2)

P02
Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
FIELD_SET

NUMBER(2)

P02
Sequential number indicating the field sampling event. Assigned 1 for first sample event and incremented by 1 for subsequent events.
TEST_NO
TEST_NONUMBER(2)

P02
Code number indicating sample location.
LOC_NO

VARCHAR2(6)

P02
Unique code number assigned to each sampling location indicating the sample type. The single character prefix indicates the sample type. The numeric suffix is the unique project location for the sample type.
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.
LAB_CODE
LAB_CODEVARCHAR2(4)

P02
Code indicating the lab that performed the testing.
SAMPLE_AREA_NO

VARCHAR2(5)

P02
Number used to reference all samples taken from one area of the project - used only for SPS-5, 6, and 7 project.