LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: SPS9_LOAD_TRANS_EFFICIENCY

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)


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

NUMBER(3)
%

Load transfer efficiency on the leave side of the joint after restoration.
SHRP_ID

VARCHAR2(4)


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

DATE


Date activity was completed.
POINT_DISTANCE

NUMBER(4)
ft

Distance from the start of the section to the joint tested.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
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.
EFFICIENCY_BEFORE_APPROACH

NUMBER(3)
%

Load transfer efficiency on the approach side of the joint before restoration.
EFFICIENCY_AFTER_APPROACH

NUMBER(3)
%

Load transfer efficiency on the approach side of the joint after restoration.
EFFICIENCY_BEFORE_LEAVE

NUMBER(3)
%

Load transfer efficiency on the leave side of the joint before restoration.