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Fields for table: DLR_OH_TEST_MATRIX

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
WHEEL_PATH_OFFSET1_M

VARCHAR2(10)
mm

Measured distance from pavement edge to outside of the front tire track.
WHEEL_PATH_OFFSET2_M

VARCHAR2(10)
mm

Measured distance from pavement edge to outside of the rear tire track.
WHEEL_PATH_OFFSETX1_M

VARCHAR2(10)
mm

Distance from the reference LVDT to the location where the front axle wheelpath offset was measured.
WHEEL_PATH_OFFSETX2_M

VARCHAR2(10)
mm

Distance from the reference LVDT to the location where the rear axle wheelpath offset was measured.
COMMENTS

VARCHAR2(80)


An unformatted field for the comments pertaining to the information stored in the table.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
REVISION_DATE

DATE


Date of latest revision to the information stored in this table.
TEST_DATE

DATE


Date the field test was performed.
TRUCK_ID

VARCHAR2(2)


Number generated to uniquely identify the truck.
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
TEST_NAME

VARCHAR2(7)


Character string that uniquely identifies each series of test traces.
RUN_NUMBER

NUMBER(3)


Consecutive number of the test runs within a defined testing matrix. This number is also used as the file extension for the raw data files.
MATRIX_INDEX

VARCHAR2(5)


Distinct coded reference number for controlled truck testing used to aggregate the tests according to the type of truck, vehicle speed, and general time of testing (early morning, midmorning, or afternoon).
RUN_TIME

VARCHAR2(10)
hh:mm:ss

The time of the test as determined by the data acquisition computer's internal clock. A test is comprised of multiple traces.
ACTUAL_SPEED

VARCHAR2(10)
km/h

Measured test truck speed.
DESIRED_SPEED

VARCHAR2(10)
km/h

Test truck planned speed for experimental purposes.
REAR_AXLE_LOAD

NUMBER(4,1)
kN

Rear axle loading of the truck.