LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: INV_PCC_STEEL

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.
DESIGN_PERCENT_LONG_STEEL

NUMBER(3,2)
%

Design percentage of longitudinal steel.
DEPTH_TO_REINFORCEMENT

NUMBER(2,1)
in

Depth of concrete cover over the reinforcing steel.
LONG_BAR_SPACING

NUMBER(3,1)
in

Longitudinal bar spacing.
REINFORCE_YIELD_STRENGTH

NUMBER(3,1)
ksi

Yield strength of the reinforcing steel of the bars.
REINFORCE_PLACE_METHOD
REINFORCE_PLACE_METHODNUMBER(1)


Code indicating method used to place reinforcement.
REINFORCE_PLACE_METHOD_OTHER

VARCHAR2(40)


Method used to place reinforcement if other than those specified.
STEEL_LAP_LENGTH

NUMBER(2)
in

Lap length of longitudinal steel splices.
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.
LAYER_NO

NUMBER(2)


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


Code for type of reinforcing.
REINFORCING_TYPE_OTHER

VARCHAR2(40)


Type of reinforcing used if other than those specified.
TRANSVERSE_BAR_DIAMETER

NUMBER(3,2)
in

Nominal diameter of the transverse bars.
TRANSVERSE_BAR_SPACING

NUMBER(3,1)
in

Transverse bar spacing.
LONG_BAR_DIAMETER

NUMBER(3,2)
in

Nominal diameter of the longitudinal bars.