LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: SPS6_CRACK_SEAT_PCC

Field NameCodesData TypeUnitsTest ProtocolDescription
SHRP_ID

VARCHAR2(4)


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

VARCHAR2(40)


Type of pavement breaker if other than those listed.
ROLLER_WEIGHT

NUMBER(2)
tons

Weight of the pneumatic tired seating roller used after breaking the pavement.
ROLLER_PASSES_LANE

NUMBER(1)


The number of passes of the seating roller per lane.
BEFORE_BREAKING
YES_NONUMBER(1)


Code indicating if deflection measurements were taken before breaking.
AFTER_BREAKING
YES_NONUMBER(1)


Code indicating if deflection measurements were taken after breaking.
AFTER_SEATING
YES_NONUMBER(1)


Code indicating if deflection measurements were taken after seating (prior to overlay).
AFTER_OVERLAY
YES_NONUMBER(1)


Code indicating if deflection measurements were taken after overlay.
SURFACE_PREP
SURFACE_PREP_CRACK_SEATNUMBER(1)


Code indicating method of surface preparation.
SURFACE_PREP_OTHER

VARCHAR2(40)


Method of surface preparation if other than those specified.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
STATE_CODE
STATE_PROVINCENUMBER(2)


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

DATE


Date activity was completed.
DATE_BEGAN

DATE


Date operations began.
PCC_BREAKAGE_WIDTH

NUMBER(2)
in

Estimated width of the broken PCC pieces.
PCC_BREAKAGE_LENGTH

NUMBER(2)
in

Estimated length of the broken PCC pieces.
BREAKER_PASSES

NUMBER(2)


Number of pavement breaker passes per lane.
BREAKER_TYPE
BREAKER_TYPENUMBER(1)


Code indicating the type of pavement breaker used.