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Fields for table: TST_AC07_V2_IDT_SUM

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)

P07
Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
SAMPLE_AREA_NO

VARCHAR2(5)

P07
Number used to reference all samples taken from one area of the project - used only for SPS-5, 6, and 7 project.
IDT_SPECIMEN_1

NUMBER(3,2)
MPa
P07
Indirect tensile strength of specimen 1.
IDT_SPECIMEN_2

NUMBER(3,2)
MPa
P07
Indirect tensile strength of specimen 2.
IDT_SPECIMEN_3

NUMBER(3,2)
MPa
P07
Indirect tensile strength of specimen 3.
IDT_AVERAGE

NUMBER(3,2)
MPa
P07
Average indirect tensile strength of specimens 1, 2 and 3.
IDT_POISSON_CALC

NUMBER(3,2)

P07
Poisson's ratio calculated from the raw load/deformation time histories.
IDT_POISSON_USED

NUMBER(3,2)

P07
Poisson's ratio used for subsequent calculations.
IDT_INITIAL_TANGENT_MODULUS

NUMBER(2,1)
GPa
P07
Initial tangent modulus derived from indirect tensile strength test.
IDT_FAILURE_STRAIN

NUMBER(6,2)
microstrain
P07
Failure strain derived from indirect tensile strength test.
IDT_FRACTURE_ENERGY

NUMBER(5,1)
kJ/cu m
P07
Fracture energy derived from indirect tensile strength test.
SHRP_ID

VARCHAR2(4)

P07
Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
IDT_DATA_FILE_SPECIMEN_1

VARCHAR2(12)

P07
Name of file that contains load/deformation time histories used in calculation of indirect tensile strength for specimen 1.
IDT_DATA_FILE_SPECIMEN_2

VARCHAR2(12)

P07
Name of file that contains load/deformation time histories used in calculation of indirect tensile strength for specimen 2.
IDT_DATA_FILE_SPECIMEN_3

VARCHAR2(12)

P07
Name of file that contains load/deformation time histories used in calculation of indirect tensile strength for specimen 3.
COMMENT_OTHER

VARCHAR2(40)

P07
A note used to record additional observations regarding the test, or test results.
LAYER_NO

NUMBER(2)

P07
Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
TEST_NO
TEST_NONUMBER(2)

P07
Code number indicating sample location.
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.
FIELD_SET

NUMBER(2)

P07
Sequential number indicating the field sampling event. Assigned 1 for first sample event and incremented by 1 for subsequent events.
TEST_TEMPERATURE

NUMBER(3,1)
deg C
P07
Temperature at which test was performed.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
LAB_CODE
LAB_CODEVARCHAR2(4)

P07
Code indicating the lab that performed the testing.