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Fields for table: RHB_SUBSEALING_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.
PENETRATION_77

NUMBER(3)
.1 mm

Penetration at 77 degrees F.
RING_BALL_SOFT_POINT

NUMBER(3)
deg F

Softening point of asphalt cement as measured with ring and ball apparatus.
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 to subsealing.
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.
COMP_STRENGTH_PC_GROUT

NUMBER(3)
psi

Cube compressive strength of PC grout.
GROUT_CURE_PERIOD

NUMBER(2)
days

Curing period for PC grout.
STATE_CODE
STATE_PROVINCENUMBER(2)


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


Code for determination of area to be undersealed.
AREA_DETERMINATION_OTHER

VARCHAR2(40)
sq ft

Determination of area to be undersealed if other than those specified.
SUBSEAL_HOLE_DEPTH

NUMBER(4,2)
in

Depth of subsealing hole.
MAX_PUMP_PRESSURE

NUMBER(3)
psi

Maximum allowable pumping pressure during subsealing.
MAX_SURGE_PRESSURE

NUMBER(3)
psi

Maximum surge pressure allowed to initiate undersealing.
TOTAL_NO_SLABS

NUMBER(3)


Total number of slabs in test section.
NO_SLABS_SUBSEALED

NUMBER(3)


Number of slabs in test section subsealed.
AVG_NO_HOLES_SLAB

NUMBER(2)


Average number of holes per slab subsealed.
TYPICAL_NO_HOLES

NUMBER(2)


Typical number of subsealing holes near joint or crack.
NO_HOLES_PER_FOOT

NUMBER(3,1)


Average number of holes per linear foot of pavement.
DATE_COMPLETE

DATE


Date activity was completed.
VOLUME_MATERIAL_PUMPED

NUMBER(3,1)
cu ft

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


Code indicating the method used to monitor subsealing work and amount of lift.
MONITORING_LIFT_OTHER

VARCHAR2(40)


Method used to monitor subsealing work and amount of lift if other than those specified.
TIME_BETWEEN_SEAL_OPEN

NUMBER(2)
hr

Typical time between subsealing and opening to traffic.
BEFORE_SUBSEAL
YES_NONUMBER(1)


Code indicating if deflection measurements were taken before subsealing.
AFTER_SUBSEAL
YES_NONUMBER(1)


Code indicating if deflection measurements were taken after subsealing
START_TIME_BEFORE_SUBSEAL

NUMBER(4)
hhmm

Time of day at which the deflection measurements before subsealing started.
END_TIME_BEFORE_SUBSEAL

NUMBER(4)
hhmm

Time of day when deflection measurements before subsealing ended.
START_TIME_AFTER_SUBSEAL

NUMBER(4)
hhmm

Time of day at which the deflection measurements after subsealing started.
END_TIME_AFTER_SUBSEAL

NUMBER(4)
hhmm

Time of day when deflection measurements after subsealing ended.
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.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
LAYER_NO

NUMBER(2)


Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
IMP_TYPE
MAINT_WORKNUMBER(2)


Code for type of maintenance or rehabilitation work performed.
SUBSEAL_MIXTURE_TYPE
SUBSEAL_MIXTURENUMBER(1)


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

VARCHAR2(40)


Type of material used for undersealing the pavement if other than those specified.
AC_GRADE
ASPHALTNUMBER(2)


Asphalt cement grade.