5837-3b - HOW FLORIDA DEPARTMENT OF TRANSPORTATION PERFORMS...

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HOW FLORIDA DEPARTMENT OF TRANSPORTATION PERFORMS CONDITION SURVEY OF ITS PAVEMENTS (Slides were provided by the FDOT Pavement Evaluation Group) PAVEMENT CONDITION SURVEY performed by FDOT • EVALUATE 100% OF THE STATE MAINTAINED ROADWAY SYSTEM AS TO THE CONDITION AND RIDE QUALITY OF THE WEARING SURFACE • HIGHWAY PERFORMANCE MONITORING SYSTEM (HPMS) RIDE DATA 2000 – 2001 PAVEMENT CONDITION SURVEY STATE MAINTAINED SYSTEM RATED MILES LANE MILES FLEXIBLE 17,623 38,829 RIGID 546 1,331 TOTAL 18,169 40,160 PCS DATA COLLECTION • DETERMINE PRESENT CONDITION • COMPARE PRESENT WITH PAST CONDITION • PREDICT DETERIORATION RATES • PREDICT FUNDING NEEDS • JUSTIFY ANNUAL BUDGET REQUEST FOR REHABILITATION • JUSTIFICATION FOR PROJECT REHABILITATION • DISTRIBUTION OF REHABILITATION FUNDS TO DISTRICT FLEXIBLE PAVEMENT RATING • RIDE (0 – 10) – PROFILER RIDE • RUTTING (0 – 10) – PROFILER RUT DEPTH – IF NO RIDE/MANUAL RUT DEPTH • CRACKING (0 –10) – INCLUDES PATCHING AND RAVELING RIDE DATA IS COLLECTED WITH AUTOMATED EQUIPMENT • HIGH SPEED PROFILER Class 1 by ASTM E-950
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• Ride Number (RN) - ASTM E-1489 Used For Pavement Management System and For Ride Acceptance Testing On New Construction • International Roughness Index (IRI) - ASTM E-1926 Used For Highway Performance Monitoring System RIDE VALUES LASER PROFILER LASER PROFILER LASER SENSOR LASER SENSOR OPERATOR CONSOLE OPERATOR CONSOLE CALIBRATION • PROFILERS RECEIVE ELABORATE CALIBRATION • STRAIGHTEDGE CALIBRATION • PLATE CALIBRATION • SECTION CALIBRATION (SELECTED WITH CLASS 1 PROFILER) STRAIGHTEDGE CALIBRATION
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PLATE CALIBRATION RUTTING DEFECT RATING Measurement of Rut Depth I-75 Using a Road Profiler PROFILER RUTTING DEDUCT POINTS Rut Depth (inches) Range (inches) Deduct Points 0 0.00 - 0.06 0 1/8 0.07 - 0.19 1 1/4 0.20 - 0.31 2 3/8 0.32 - 0.44 3 1/2 0.45 - 0.56 4 5/8 0.57 - 0.69 5 3/4 0.70 - 0.81 6 7/8 0.82 - 0.94 7 1 0.95 - 1.06 8 1 1/8 1.07 - 1.19 9 1 1/4 + 1.20 + 10 MANUAL RUT DEPTH MEASUREMENT
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MANUAL RUTTING DEDUCT POINTS Rut Depth (inches) Deduct Points 0 0 1/8 1 1/4 2 3/8 3 1/2 4 5/8 5 3/4 6 7/8 7 1 8 1 1/8 9 1 1/4 + 10 HAIRLINE CRACKS 1/8 INCH (3.18 mm).
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This note was uploaded on 05/26/2011 for the course TTE 5837 taught by Professor Staff during the Spring '11 term at University of Florida.

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5837-3b - HOW FLORIDA DEPARTMENT OF TRANSPORTATION PERFORMS...

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