LTPP Logo Long Term Pavement Performance Logo

LTPP TSSC Home

Data User's Corner





LTPP TABLE NAVIGATOR: Field View


Fields for table: MON_DIS_PADIAS42_AC

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.
GATOR_CRACK_A_H

NUMBER(5,1)
sq m

Area of alligator (fatigue) cracking of high severity. (moderately or severely spalled interconnected cracks, may be sealed, pumping may be evident.)
BLK_CRACK_A_L

NUMBER(5,1)
sq m

Area of low severity block cracking. (cracks of unknown width well sealed or with mean width of 6 mm or less.)
BLK_CRACK_A_M

NUMBER(5,1)
sq m

Area of moderate severity block cracking. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
BLK_CRACK_A_H

NUMBER(5,1)
sq m

Area of high severity block cracking. (mean crack width greater than 19 mm or under 19 mm with moderate to high severity random cracking.)
EDGE_CRACK_L_L

NUMBER(4,1)
m

Length of low severity edge cracking.
EDGE_CRACK_L_M

NUMBER(4,1)
m

Length of moderate severity edge cracking.
EDGE_CRACK_L_H

NUMBER(4,1)
m

Length of high severity edge cracking.
LONG_CRACK_WP_L_L

NUMBER(4,1)
m

Length of low severity, longitudinal cracking in wheel path. (cracks of unknown width well sealed or with mean width of 6 mm or less.)
LONG_CRACK_WP_L_M

NUMBER(4,1)
m

Length of moderate severity, longitudinal cracking in wheel path. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
LONG_CRACK_WP_L_H

NUMBER(4,1)
m

Length of high severity, longitudinal cracking in wheel path. (mean crack width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
SHRP_ID

VARCHAR2(4)


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

NUMBER(4,1)
m

Length of low severity, well sealed longitudinal cracking in wheel path. (cracks of unknown width or with mean width of 6 mm or less.)
LONG_CRACK_WP_SEAL_L_M

NUMBER(4,1)
m

Length of moderate severity, well sealed longitudinal cracking in wheel path. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
LONG_CRACK_WP_SEAL_L_H

NUMBER(4,1)
m

Length of high severity, well sealed longitudinal cracking in wheel path. (crack mean width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
LONG_CRACK_NWP_L_L

NUMBER(4,1)
m

Length of low severity, non-wheel path longitudinal cracking. (cracks of unknown width well sealed or with mean width of 6 mm or less.)
LONG_CRACK_NWP_L_M

NUMBER(4,1)
m

Length of moderate severity, non-wheel path longitudinal cracking. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
LONG_CRACK_NWP_L_H

NUMBER(4,1)
m

Length of high severity, well sealed non-wheel path longitudinal cracking. (mean crack width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
LONG_CRACK_NWP_SEAL_L_L

NUMBER(4,1)
m

Length of low severity, well sealed non-wheel path longitudinal cracking. (cracks of unknown width or with mean width of 6 mm or less.)
LONG_CRACK_NWP_SEAL_L_M

NUMBER(4,1)
m

Length of moderate severity, well sealed non-wheel path longitudinal cracking. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
LONG_CRACK_NWP_SEAL_L_H

NUMBER(4,1)
m

Length of high severity, well sealed non-wheel path longitudinal cracking. (mean crack width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
TRANS_CRACK_NO_L

NUMBER(3)


Number of low severity transverse cracks. (cracks of unknown width well sealed or with mean width of 6 mm or less.)
SURVEY_DATE

DATE


Date survey was performed.
TRANS_CRACK_NO_M

NUMBER(3)


Number of moderate severity transverse cracks. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
TRANS_CRACK_NO_H

NUMBER(3)


Number of high severity transverse cracks. (mean crack width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
TRANS_CRACK_L_L

NUMBER(5,1)
m

Length of low severity transverse cracking. (cracks of unknown width well sealed or with mean width of 6 mm or less.)
TRANS_CRACK_L_M

NUMBER(5,1)
m

Length of moderate severity transverse cracking. (crack mean width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
TRANS_CRACK_L_H

NUMBER(5,1)
m

Length of high severity transverse cracking. (crack mean width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
TRANS_CRACK_SEAL_L_L

NUMBER(5,1)
m

Length of well sealed, low severity transverse cracking. (cracks of unknown width or with mean width of 6 mm or less.)
TRANS_CRACK_SEAL_L_M

NUMBER(5,1)
m

Length of well sealed, moderate severity transverse cracking. (mean crack width from 6 to 19 mm or under 19 mm with adjacent low severity random cracking.)
TRANS_CRACK_SEAL_L_H

NUMBER(5,1)
m

Length of well sealed, high severity transverse cracking. (mean crack width greater than 19 mm or under 19 mm with adjacent moderate to high severity random cracking.)
PATCH_NO_L

NUMBER(3)


Number of patches/patch deteriorations with low severity distress of any type.
PATCH_NO_M

NUMBER(3)


Number of patches/patch deteriorations with moderate severity distress of any type.
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.
PATCH_NO_H

NUMBER(3)


Number of patches/patch deteriorations with high severity distress of any type.
PATCH_A_L

NUMBER(4,1)
sq m

Area of patching with low severity distress or patch deterioration.
PATCH_A_M

NUMBER(4,1)
sq m

Area of patching with moderate severity distress or patch deterioration.
PATCH_A_H

NUMBER(4,1)
sq m

Area of patching with high severity distress or patch deterioration.
POTHOLES_NO_L

NUMBER(3)


Number of low severity potholes (less than 25 mm deep).
POTHOLES_NO_M

NUMBER(3)


Number of moderate severity potholes (from 25 to 50 mm deep).
POTHOLES_NO_H

NUMBER(3)


Number of high severity potholes (more than 50 mm deep).
POTHOLES_A_L

NUMBER(4,2)
sq m

Area of low severity potholes (less than 25 mm deep).
POTHOLES_A_M

NUMBER(4,2)
sq m

Area of moderate severity potholes (from 25 to 50 mm deep).
POTHOLES_A_H

NUMBER(4,2)
sq m

Area of high severity potholes (more than 50 mm deep).
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
SHOVING_NO

NUMBER(3)


Number of areas where shoving exists.
SHOVING_A

NUMBER(4,1)
sq m

Area of shoving, localized longitudinal displacement of the pavement surface.
BLEEDING

NUMBER(4,1)
sq m

Presence of excess asphalt on the pavement surface which may create a shiny, glass-like reflective surface.
POLISH_AGG_A

NUMBER(4,1)
sq m

Area of polished aggregate (binder worn away to expose coarse aggregate).
RAVELING

NUMBER(5,1)
sq m

Wearing away of the pavement surface caused by the dislodging of aggregate particles and loss of asphalt binder.
PUMPING_NO

NUMBER(3)


Number of occurrences of water bleeding and pumping.
PUMPING_L

NUMBER(4,1)
m

Length of pavement affected by water bleeding and pumping.
OTHER

VARCHAR2(80)


Description of surface distress present but not otherwise accounted for by the survey.
IMS_LOAD_DATE

DATE


Date the data were loaded in the LTPP IMS.
SURVEY_WIDTH

NUMBER(4,2)
m

Width of pavement surveyed for distress measurements.
ANALYSIS_DATE

DATE


Date of PADIAS film analysis.
ANALYST_NAME

VARCHAR2(31)


The name of the PADIAS film analyst.
GATOR_CRACK_A_L

NUMBER(5,1)
sq m

Area of alligator (fatigue) cracking of low severity. (no or few connecting cracks, not spalled or sealed, no pumping evident.)
GATOR_CRACK_A_M

NUMBER(5,1)
sq m

Area of alligator (fatigue) cracking of moderate severity. (interconnected cracks possibly slightly spalled, may be sealed, pumping may be evident.)