railroad bridge opportunities duane otter, phd, pe for big ... otter.pdf© ttci/aar, oct. 8 -9,...
TRANSCRIPT
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Transportation Technology Center, Inc., a subsidiary of the Association of American Railroads
© TTCI/AAR, Oct. 8-9, 2015, Omaha, p1
Railroad Bridge Opportunities for Big Data
October 2015Omaha, Nebraska
UNL BRIDGE-ing Big Data Workshop
Duane Otter, PhD, PE
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Presentation Overview♦Railroads & Large Volumes of Data♦Opportunities Using Existing Bridge Records♦Future Opportunities♦Potential Uses♦Leading Causes of RR Bridge Service Outages♦Challenges & Cautions
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Railroads & Large Volumes of Data♦1.5 million freight cars on network♦Each car tracked & trended using wayside detection systems
●Car performance & maintenance forecast●Car characteristics & repair billing
♦ Industrywide shared databases
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Railroads & Large Volumes of Data♦Major US freight RRs own 15,000 miles to 26,000 route miles each
(95,000 miles total)♦ Infrastructure databases not shared
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Railroads & Large Volumes of Data♦Major US freight RRs own 60,000 bridges♦Over 1,400 miles or 7.6 million feet♦ Each major RR owns more than 10,000 bridges
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Opportunities Using Existing Records♦Tonnage amounts & types over each bridge♦Some historical traffic records♦Load capacity ratings♦Annual inspection records♦Maintenance records & expenditures
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Railroad Bridges & Big Data
Opportunities Using Existing Records♦Photos & video increasingly available♦Scans of plans & records now available♦Speed restrictions & maintenance calls
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Future Opportunities♦Robotic-assisted inspection (UAV, spider, monkey, crawler)♦Machine vision detection of condition changes♦Programmed inspection route
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Future Opportunities♦Vehicle-based detections● Track geometry & track deflection cars● Equipped locomotives
♦Signature identification & trending needed
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Potential Uses for Railroads♦ Railroads are a very capital intensive business♦ Better capital planning (shareholder funds)♦ Reduction of speed restrictions & service interruptions
(unplanned capacity reduction)
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Potential Uses for Railroads♦Provide guidance for more efficient & effective bridge inspections♦Provide more timely warning for impending maintenance (planned
vs unplanned)♦Guidance for protection against major causes of interruptions
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Leading Causes for Railroad Bridge Service Interruptions♦Vehicle strikes
Highway, marine, & rail vehicles or loads♦Hydraulic events (flood, scour, washout, etc.)
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Leading Causes for Railroad Bridge Service Interruptions♦Movable bridge issues, particularly related to signal system & interlocks♦Fire, especially timber bridges
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Challenges & Cautions ♦Big data can provide a wealth of information♦Railroads need data to be appropriate♦Can big data help better plan & prepare for bridge
maintenance & capital spending?
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Challenges & Cautions♦Railroads need actionable information♦Can big data help prevent, protect against, or prepare for
unplanned service outages?
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Challenges & Cautions♦No expectations of eliminating human inspection♦Keep it cost-effective
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Two Things a Railroader Wants to Learn♦What can big data tell railroads that we don’t already know
about our bridges?♦How can big data help railroads better manage our bridge
inventories & capital replacement decisions?
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Photos courtesy of:Canadian National
Norfolk SouthernUnion PacificJoe BlackwellDaren GenauFrank Keller
Richard ReiffKarl Rethwisch
Questions? Comments? Answers?