0*1(234 › mnroad › nrra › pavement-workshop › ... · johnson powerpoint.ppt author:...
TRANSCRIPT
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Each 1% increase in air voids (over the base air void of 7 percent) tends to produce about a 10 percent loss in
pavement life (or about 1 year less life)
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12 sensors spaced 1 foot apart, reading interval = every 6 inches
MOBA Pave-IR
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12 individual sensors (rows) 6 inch reading interval Paver Speed
200°F
330°F Left
Right
Direction
Screed
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Duration 4 hr 30 min
Paver Stops Total 1 hr 25 min
Avg. Paver Speed 36 ft./min
Surface Temp
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235°F WMA 275°F WMA
Paver Stops
Production Temperature Change
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1000 feet
Paver Speed
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Paver Stop Temperature Differential
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IC Roller Track
View of Roller Output
Passes 1 2 3 4
TH 169
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Thank You
TH 18 (169) Elk River, 1920’s