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Fields for table: SPS6_UNDERSEALING

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.
WATER_CEMENT_RATIO

NUMBER(3,2)


Water to cement ratio by weight for the mixture used to under seal.
ADDITIVE_TYPE
PCCANUMBER(2)


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

NUMBER(3)
%

Amount of additive used in Portland cement grout - percent by weight of cement.
FLUIDITY_PC_GROUT

NUMBER(3,1)
sec
C939-81
Fluidity of the PC grout.
CUBE_STRENGTH_PC_GROUT

NUMBER(4)
psi

Compressive strength of 2 inch cube specimens as measured by test methods AASHTO T106 or ASTM C109.
PC_GROUT_CURING_PERIOD

NUMBER(2)
days

The number of days for which the grout cubes were cured before compressive strength testing.
DETERMINE_UNDERSEAL_AREA
AREA_DETERMINATIONNUMBER(1)


Code indicating the means for determining the required area extent of the undersealing efforts.
DETERMINE_UNDERSEAL_AREA_OTHER

VARCHAR2(40)


Means used for determining the required area extent of the undersealing efforts if other than those specified.
UNDERSEAL_HOLE_DEPTH

NUMBER(3,1)
in

Thickness of the slab at the undersealing hole.
MAX_PUMP_PRESSURE

NUMBER(3)
psi

Maximum allowable pumping pressure during undersealing.
STATE_CODE
STATE_PROVINCENUMBER(2)


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

NUMBER(3)
psi

Maximum surge pressure allowed to initiate undersealing.
TOTAL_SLABS

NUMBER(3)


Number of slabs in the test section, for jointed concrete pavements.
SLABS_UNDERSEALED

NUMBER(3)


Number of slabs undersealed, for jointed concrete pavements.
HOLES_PER_SLAB

NUMBER(2)


Average number of holes per slab in the jointed concrete test sections that were undersealed.
HOLES_NEAR_JOINT_OR_CRACK

NUMBER(2)


Average number of undersealing holes per slab within two feet of a joint or crack.
MATL_PUMPED_PER_HOLE

NUMBER(3,1)
cu ft

Average volume of pumped material per hole.
MONITORING_OF_LIFT
MONITORING_OF_LIFTNUMBER(1)


Code indicating the method used to monitor undersealing work and amount of lift.
OTHER_MONITORING_OF_LIFT

VARCHAR2(40)


Method used for monitoring the undersealing work and amount of lift if other than those specified.
TIME_UNDERSEAL_TO_REOPEN

NUMBER(2)
hr

Approximate time between the time of subsealing and allowing traffic over the project.
MEASURE_BEFORE_UNDERSEAL
YES_NONUMBER(1)


Code indicating whether or not deflection measurements were taken before undersealing.
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.
MEASURE_AFTER_UNDERSEAL
YES_NONUMBER(1)


Code indicating whether or not deflection measurements were taken after undersealing.
START_TIME_BEFORE

NUMBER(4)
hhmm

Time of day at which the deflection measurements before undersealing started.
END_TIME_BEFORE

NUMBER(4)
hhmm

Time of day when deflection measurements before undersealing ended.
START_TIME_AFTER

NUMBER(4)
hhmm

Time of day at which the deflection measurements after undersealing started.
END_TIME_AFTER

NUMBER(4)
hhmm

Time of day when deflection measurements after undersealing ended.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
DATE_COMPLETE

DATE


Date activity was completed.
DATE_BEGAN

DATE


Date operations began.
SUBSEAL_MIX_TYPE
SUBSEAL_MIX_TYPENUMBER(1)


Code indicating the type of material used for undersealing the pavement.
SUBSEAL_MIX_TYPE_OTHER

VARCHAR2(40)


Type of material used for undersealing the pavement 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.