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Fields for table: RHB_PCCO_CONSTRUCTION

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.
AIR_TEMP_MAX

NUMBER(3)
deg F

Maximum air temperature during placement.
CURING_PERIOD

NUMBER(2)
days

Length of curing period before a new lift was placed or layer was opened to traffic.
TIME_SAW_JOINTS

NUMBER(2)
hr

Time before sawing joints.
CONCRETE_CURE_METHOD
CONCRETE_CURENUMBER(1)


Code for the method used to cure concrete.
CONCRETE_CURE_OTHER

VARCHAR2(40)


Method used to cure concrete if other than those specified.
CONCRETE_TEXTURE_METHOD
CONCRETE_TEXTURE_METHODNUMBER(1)


Code for method used to texture concrete.
CONCRETE_TEXTURE_OTHER

VARCHAR2(40)


Method used to texture concrete if other than those specified.
BOND_CONDITION
BOND_CONDITIONNUMBER(1)


Code indicating bonding condition of the overlay.
SURFACE_PREP
SURFACE_PREP_RHBNUMBER(1)


Code indicating method of surface preparation.
SURFACE_PREP_OTHER

VARCHAR2(40)


Method of surface preparation if other than those specified.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
GROUT_TYPE
GROUT_TYPENUMBER(1)


Code for type of grout used on bonded overlay.
GROUT_TYPE_OTHER

VARCHAR2(40)


Type of grout used for bonded overlays if other than those specified.
BOND_PREVENT
BOND_PREVENTNUMBER(1)


Code for material used to prevent bonding for unbonded overlays.
BOND_PREVENT_OTHER

VARCHAR2(40)


Material used to prevent bonding for unbonded overlays if other than those specified.
SHEAR_STRENGTH

NUMBER(4,1)
psi

Mean direct shear strength of core at overlay/slab interface.
OVERLAY_AGE

NUMBER(3)
days

Overlay age at time of direct shear testing.
JOINTS_MATCH
YES_NONUMBER(1)


Code indicating whether the overlay joint matches existing pavement slab joints.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
DATE_COMPLETE

DATE


Date activity was completed.
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).
PAVER_TYPE
PAVER_TYPENUMBER(1)


Code indicating the type of paver used.
PAVER_TYPE_OTHER

VARCHAR2(40)


Type of paver used if other than those listed.
AIR_TEMP_MEAN

NUMBER(3)
deg F

Mean air temperature during placement.
AIR_TEMP_MIN

NUMBER(3)
deg F

Minimum air temperature during placement.