LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: TST_AE08_DATA

Field NameCodesData TypeUnitsTest ProtocolDescription
TST_ID

NUMBER(5)


Unique sample identification number used to link samples to multiple layers in multiple sections.
STIFF_PCT_DIFF

NUMBER(6,4)
%

Percent difference between measured and estimated stiffness of the beam.
M_VALUE

NUMBER(4,3)


Rate of change of stiffness.
SOAK_TIME

NUMBER(5,1)
min

Time specimen is conditioned in bath.
TEST_RUN

NUMBER(1)


Indicates whether the test is the first or second running of the test.
AGING_TYPE
BINDER_AGE_TYPEVARCHAR2(1)


Type of accelerated or field aging used in sample preparation.
TEST_TEMP

NUMBER(3,1)
deg C

Temperature at which test is performed.
TEST_TIME

NUMBER(3)
sec

Time since application of test load.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
LOAD

NUMBER(6,4)
N

Magnitude of test load applied to beam.
DEFL

NUMBER(5,4)
mm

Deflection of beam.
STIFF_MEASURE

NUMBER(5,1)
MPa

Measured stiffness of the beam.
STIFF_ESTIMATE

NUMBER(5,1)
MPa

Estimated stiffness of the beam.