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Fields for table: RHB_PMA_ROLLER

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.
ROLLER_TIRE_PRES

NUMBER(3)
psi

Tire pressure of roller if pneumatic.
ROLLER_FREQ

NUMBER(4)
vib/min

Roller vibration frequency.
ROLLER_AMP

NUMBER(3,3)
in

Roller vibration amplitude.
ROLLER_SPEED

NUMBER(3,1)
mph

Speed of roller.
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.
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).
ROLLER_CODE
ROLLER_CODEVARCHAR2(1)


Code for type of roller used.
IMP_TYPE
MAINT_WORKNUMBER(3)


Code for type of maintenance or rehabilitation work performed.
ROLLER_CODE_DESC

VARCHAR2(40)


Text describing the type of roller used.
ROLLER_GROSS_WT

NUMBER(3,1)
tons

Gross weight of roller.