多功能道路检测设备.pdfVIP

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多功能道路检测设备

High-Speed (70mph) High-Speed (70mph) Real-Time Pavement Inspection Real-Time Pavement Inspection Bugao Xu Bugao Xu Department of Human Ecology, College of Natural Sciences Department of Human Ecology, College of Natural Sciences Center for Transportation Research, College of Engineering Center for Transportation Research, College of Engineering Problem: Pavement needs to be Problem: Pavement needs to be inspected for maintenance and repair inspected for maintenance and repair Visual inspections Visual inspections On foot or slow-moving vehicle On foot or slow-moving vehicle Subjective Subjective Interrupt public traffic Interrupt public traffic 2 1 What are the problems with What are the problems with automated systems? automated systems? Data analysis needs to: Data analysis needs to: Be performed in real time Be performed in real time Be replicable Be replicable Meet PMIS/ASSHTO standards Meet PMIS/ASSHTO standards Speed (can you drive at 70mph?) Speed (can you drive at 70mph?) Different types of pavement Different types of pavement Flexible (asphalt) Flexible (asphalt) Rigid (concrete) Rigid (concrete) Lighting (day, night, fog, clouds) Lighting (day, night, fog, clouds) Many types of cracks Many types of cracks 3 Solution: digital imaging technology Solution: digital imaging technology VCrack system VCrack system Real-time data analysis Real-time data analysis Highway-speed (works at 70 mph) Highway-speed (wo

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