Field Name  Codes  Data Type  Units  Test Protocol  Description 
STATE_CODE
 STATE_PROVINCE  NUMBER(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 SPS5, 6, and 7 project.

INST_MR_CYCLE_1

 NUMBER(4,2)
 GPa
 P07
 Instantaneous resilient modulus for load cycle 1.

INST_MR_POISSON_CALC_CYCLE_1

 NUMBER(3,2)

 P07
 Instantaneous Poisson's ratio for load cycle 1. Calculated from raw load/deformation time histories.

INST_MR_POISSON_USED_CYCLE_1

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate instantaneous resilient modulus for cycle 1.

TOTAL_MR_CYCLE_1

 NUMBER(4,2)
 GPa
 P07
 Total resilient modulus for load cycle 1.

TOTAL_MR_POISSON_CALC_CYCLE_1

 NUMBER(3,2)

 P07
 Total calculated Poisson's ratio for load cycle 1.

TOTAL_MR_POISSON_USED_CYCLE_1

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate total resilient modulus for cycle 1.

INST_MR_CYCLE_2

 NUMBER(4,2)
 GPa
 P07
 Instantaneous resilient modulus for load cycle 2.

INST_MR_POISSON_CALC_CYCLE_2

 NUMBER(3,2)

 P07
 Instantaneous Poisson's ratio for load cycle 2. Calculated from raw load/deformation time histories.

INST_MR_POISSON_USED_CYCLE_2

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate instantaneous resilient modulus for cycle 2.

SHRP_ID

 VARCHAR2(4)

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

TOTAL_MR_CYCLE_2

 NUMBER(4,2)
 GPa
 P07
 Total resilient modulus for load cycle 2.

TOTAL_MR_POISSON_CALC_CYCLE_2

 NUMBER(3,2)

 P07
 Total calculated Poisson's ratio for load cycle 2.

TOTAL_MR_POISSON_USED_CYCLE_2

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate total resilient modulus for cycle 2.

INST_MR_CYCLE_3

 NUMBER(4,2)
 GPa
 P07
 Instantaneous resilient modulus for load cycle 3.

INST_MR_POISSON_CALC_CYCLE_3

 NUMBER(3,2)

 P07
 Instantaneous Poisson's ratio for load cycle 3. Calculated from raw load/deformation time histories.

INST_MR_POISSON_USED_CYCLE_3

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate instantaneous resilient modulus for cycle 3.

TOTAL_MR_CYCLE_3

 NUMBER(4,2)
 GPa
 P07
 Total resilient modulus for load cycle 3.

TOTAL_MR_POISSON_CALC_CYCLE_3

 NUMBER(3,2)

 P07
 Total calculated Poisson's ratio for load cycle 3.

TOTAL_MR_POISSON_USED_CYCLE_3

 NUMBER(3,2)

 P07
 Poisson's ratio used to calculate total resilient modulus for cycle 3.

INST_MR_AVG

 NUMBER(4,2)
 GPa
 P07
 Average instantaneous resilient modulus determined by averaging results from cycles 1, 2, and 3.

LAYER_NO

 NUMBER(2)

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

INST_MR_POISSON_CALC_AVG

 NUMBER(3,2)

 P07
 Average instantaneous calculated Poisson's ratio determined by averaging results from cycles 1, 2 and 3.

INST_MR_POISSON_USED_AVG

 NUMBER(3,2)

 P07
 Average Poisson's ratio used to calculate the instantaneous resilient modulus value determined by averaging results from cycles 1, 2 and 3.

TOTAL_MR_AVG

 NUMBER(4,2)
 GPa
 P07
 Average total resilient modulus.

TOTAL_MR_POISSON_CALC_AVG

 NUMBER(3,2)

 P07
 Average total calculated Poisson's ratio.

TOTAL_MR_POISSON_USED_AVG

 NUMBER(3,2)

 P07
 Average Poisson's ratio used to calculate the total resilient modulus value.

MR_DATA_FILE_SPECIMEN_1

 VARCHAR2(12)

 P07
 Name of file that contains load/deformation time histories used in calculation of resilient modulus for a given test temperature for specimen 1.

MR_DATA_FILE_SPECIMEN_2

 VARCHAR2(12)

 P07
 Name of file that contains load/deformation time histories used in calculation of resilient modulus for a given test temperature for specimen 2.

MR_DATA_FILE_SPECIMEN_3

 VARCHAR2(12)

 P07
 Name of file that contains load/deformation time histories used in calculation of resilient modulus for a given test temperature for specimen 3.

COMMENT_OTHER

 VARCHAR2(40)

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

TEST_NO
 TEST_NO  NUMBER(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_CODE  VARCHAR2(4)

 P07
 Code indicating the lab that performed the testing.
