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Fields for table: SPS7_PCC_OVERLAY

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.
TIME_BEFORE_SAWING

NUMBER(2)
hr

Hours between the time the concrete was placed and the time the joints were sawed.
CONCRETE_CURE_METHOD
CONCRETE_CURENUMBER(1)


Code for the method used to cure concrete.
CONCRETE_CURE_METHOD_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_METHOD_OTHER

VARCHAR2(40)


Method used to texture concrete if other than those specified.
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.
CEMENT_TYPE
PC_TYPENUMBER(2)


Code indicating the type of Portland cement used.
CEMENT_SAND_RATIO

NUMBER(2,1)


Ratio of cement to sand in the Portland cement grout, by weight.
WATER_CEMENT_RATIO

NUMBER(3,2)


Water to cement ratio by weight for the mixture used.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
ADDITIVE_TYPE
PCCANUMBER(2)


Code indicating type of additive used in Portland cement grout.
AMOUNT_ADDITIVE

NUMBER(3)
%

Amount of additive in Portland cement grout mix.
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.
DATE_COMPLETE

DATE


Date activity was completed.
DATE_BEGAN

DATE


Date operations began.
MEAN_AIR_TEMP

NUMBER(3)
deg F

Mean air temperature at the time the overlay concrete was placed.
MIN_AIR_TEMP

NUMBER(3)
deg F

Minimum air temperature at the time the overlay concrete was placed.
MAX_AIR_TEMP

NUMBER(3)
deg F

Maximum air temperature at the time the overlay concrete was placed.
CURE_PERIOD

NUMBER(2)
days

Time the concrete was allowed to cure before opening the pavement to traffic (including construction traffic).