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Fields for table: RHB_LOAD_TRANSFER

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.
DEVICES_PER_JOINT

NUMBER(2)


Number of devices per joint.
DOWEL_1

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_2

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_3

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_4

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_5

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_6

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_7

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_8

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_9

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
DOWEL_10

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_11

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_12

NUMBER(3)
in

Distance from the outer lane edge to the center of the load transfer device.
DOWEL_DIAMETER

NUMBER(3,2)
in

Diameter of retrofit dowel bars.
DOWEL_LENGTH

NUMBER(3,1)
in

Length of retrofit dowel bars.
BACKFILL_MATERIAL
BACKFILL_MATERIALNUMBER(1)


Code identifying the type of material used to backfill around the load transfer restoration device.
BACKFILL_OTHER

VARCHAR2(40)


Type of material used to backfill around the load transfer restoration device if other than those specified.
BOND_AGENT
BOND_AGENT_BACKFILLNUMBER(1)


Code identifying the material used to bond the backfill material to the existing PCC pavement.
BOND_AGENT_OTHER

VARCHAR2(40)


Material used to bond the backfill material to the existing PCC pavement of other than those specified.
POINT_DISTANCE_1

NUMBER(4)
ft

Distance from the start of the section to the joint tested.
DATE_COMPLETE

DATE


Date activity was completed.
BEFORE_1_1

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_1_2

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_1_3

NUMBER(3)
%

Load transfer efficiency before restoration.
AFTER_1_1

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_1_2

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_1_3

NUMBER(3)
%

Load transfer efficiency after restoration.
POINT_DISTANCE_2

NUMBER(4)
ft

Distance from the start of the section to the joint tested.
BEFORE_2_1

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_2_2

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_2_3

NUMBER(3)
%

Load transfer efficiency before restoration.
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.
AFTER_2_1

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_2_2

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_2_3

NUMBER(3)
%

Load transfer efficiency after restoration.
POINT_DISTANCE_3

NUMBER(4)
ft

Distance from the start of the section to the joint tested.
BEFORE_3_1

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_3_2

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_3_3

NUMBER(3)
%

Load transfer efficiency before restoration.
AFTER_3_1

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_3_2

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_3_3

NUMBER(3)
%

Load transfer efficiency after restoration.
LAYER_NO

NUMBER(2)


Unique sequential number assigned to pavement layers, starting with layer 1 as the deepest layer (subgrade).
POINT_DISTANCE_4

NUMBER(4)
ft

Distance from the start of the section to the joint tested.
BEFORE_4_1

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_4_2

NUMBER(3)
%

Load transfer efficiency before restoration.
BEFORE_4_3

NUMBER(3)
%

Load transfer efficiency before restoration.
AFTER_4_1

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_4_2

NUMBER(3)
%

Load transfer efficiency after restoration.
AFTER_4_3

NUMBER(3)
%

Load transfer efficiency after restoration.
DATE_BEFORE_RESTORE

DATE


Date tests were conducted before load restoration.
DATE_AFTER_RESTORE

DATE


Date tests were conducted after load restoration.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
RESTORATION_TYPE
LOAD_TRANS_RESTORATIONNUMBER(1)


Code indicating the type of load transfer restoration.
RESTORATION_OTHER

VARCHAR2(40)


Type of load transfer restoration if other than those specified.
INSTALL_FREQUENCY
INSTALL_FREQUENCYNUMBER(1)


Code indicating the frequency of installation.
INSTALL_FREQUENCY_OTHER

VARCHAR2(40)


frequency of installation if other than those specified.