02261oam 2200625 450 991071678860332120211214141350.0(CKB)5470000002524286(OCoLC)1262753631(EXLCZ)99547000000252428620210804j202104 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAutomated broken spike detection phase IWashington, DC :U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology,April 2021.1 online resource (vii, 46 pages) color illustrations"DOT/FRA/ORD-21/17.""Final report, April 2021.""Authors: Yin Gao, Anish Poudel, Brian Linderman"--Report documentation page."Performing organization: Transportation Technology Center, Inc."--Report documentation page.Includes bibliographical references (page 37).Automated broken spike detection Nails and spikesUnited StatesTestingNondestructive testingUnited StatesUltrasonic testingUnited StatesNails and spikesTestingfastNondestructive testingfastUltrasonic testingfastUnited StatesfastTechnical reports.fastTechnical reports.lcgftNails and spikesTesting.Nondestructive testingUltrasonic testingNails and spikesTesting.Nondestructive testing.Ultrasonic testing.Gao Yin1358215Poudel AnishLindeman BrianUnited States.Federal Railroad Administration.Office of Research, Development and Technology,Transportation Technology Center, Inc.GPOGPOOCLCOOCLCQOCLCFGPOBOOK9910716788603321Automated broken spike detection3452516UNINA