sitka airport ic project lessons-learn by amanda gilliland knik construction presented by dr. george...
TRANSCRIPT
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Sitka Airport IC ProjectLessons-Learn
ByAmanda GillilandKnik Construction
Presented ByDr. George ChangTranstec Group
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Sitka-Rocky Gutierrez Airport Runway Overlay
Alaska, May 2013
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IC Specification• Provide one IC roller per paver • Provide on-site training for contractor and agency • Provide manufacturer representative for IC support• IC test section• Provide Veda files to agency • Operations Criteria – 95% meet optimum passes– 70% meet target ICMV values (HMV)
• 10% deduction from item 401 when IC is not functioning properly
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Night Paving
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Hamm HCQ System
Accelerometer
GPS Receiver
HCQ GPS Navigator
Temperature Sensors Control Panel
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Hamm IC Roller Operation
• Front drum vibratory
• Rear drum oscillatory
• Two amplitude settings
• Two frequency settings
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IC Training
• QC Manager– Setup, software/
analysis (data management), trouble shooting
• Roller Operator– Use on-board display,
setup • Owner Representatives– Basic training
40
10
4Hours of Training
QC ManagerOperatorOwner
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Hamm HCQ Software
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On HAMM HCQ Software
• Limitations– Passes are not
viewed individually– Limited analysis– Base maps are time
consuming to import
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Veda Software
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Veda Temperature Map
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Veda Analysis
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Veda Point Tests
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Veda HMV Map
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Veda Software HMV Comparison
Property “End” “Middle”
Frequency - vpm 3000 2400, 3000
Amplitude - in 0.034 0.019
Speed - mph 2.8-3.8 2.2-3.6
Temperature – degrees F
190-230 190-230
HMV 60-80 60-115
Average Mat Density - %
96 96
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Veda Software vs. Thermal Camera
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Veda Recap
• Base maps• View individual
passes• View roller
settings• Extensive analysis
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Strengths and Limitations
• Strength– Real time data useful
– particularly for night paving
– Records everything for troubleshooting (if required)
– Helps with density consistency
– Verifies 100% coverage
• Limitation– Does not predict
density – ICMV and density do not correlate at this project
– Room for error in data analysis
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Thank You !