Second Year and Final Report of Field Performance Evaluation of Pavement Marking Materials PDF Download
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Author:
Publisher:
ISBN:
Category : Adhesive tape
Languages : en
Pages : 78
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Author:
Publisher:
ISBN:
Category : Adhesive tape
Languages : en
Pages : 78
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Author:
Publisher:
ISBN:
Category : Road markings
Languages : en
Pages : 96
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Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 44
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Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 190
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Author: Kenneth R. Agent
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 30
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The objectives of this study were to evaluate available foil-back and removable tapes as well as construction-zone raised pavement markers and to recommend materials that should be included on approved lists for use by the Kentucky Department of Highways. Tapes and markers were placed on transverse test sections and the reflectivity, durability, and appearance were observed. Tapes to be included on the approved lists for foil-back and removable tapes were recommended. Tapes manufactured by 3M, Flex-O-Lite, Cataphote, and Swarolite were included on the list of acceptable foil-back tapes. Recommended removable tapes were the 3M and Cataphote removable tapes. Stimsonite 66 and Flex-O-Lite construction-zone markers were included on the approved list for construction-zone raised pavement markers. More specific guidelines were developed to use in future evaluations of construction-zone preformed tape and markers.
Author: Michael J. Markow
Publisher: Transportation Research Board
ISBN: 0309097894
Category : Airports
Languages : en
Pages : 199
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NCHRP synthesis 371 explores the state of the practice for managing transportation infrastructure assets other than pavements and bridges, and documents gaps in knowledge and areas in need of potential further study.
Author: Civil Engineering Research Foundation
Publisher: ASCE Publications
ISBN: 9780784474952
Category : Technology & Engineering
Languages : en
Pages : 140
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Prepared by CEITEC, a CERF innovation center serving the engineering and construction industries. This report describes an evaluation of Sewer Scanner and Evaluation Technology (SSET) designed to determine the basic capabilities and limitations of SSET for use as a technicallly viable technology for inspecting sewer pipes. The evaluation focused on the performance and in-service demonstration of SSET. The technology involves digital scanning to obtain a flat, "unfolded" image of the pipeline's interior. This evaluation includes field demonstrations performed at 13 municipal public works agencies throughout North America. Subsequent to this evaluation, SSET was modified to include a fisheye lens camera and fiber optic gyroscope, which replaced the rotating mechanical scanner and mechanical gyroscope. The evaluation confirmed the operability of SSET and its viability in data presentation. A degree of enhancement was recognized with additional features, most notably the ability to produce a digital report of the sewer pipe, to identify vertical deflection in pipes, and to deliver easily comprehensible and manageable results. The evaluation also revealed that SSET cannot reproduce all the features typically available from closed-circuit television (CCTV) inspection. Such features include the ability to clearly see corrosion, infiltration rates, and ovality. The limitations in applicability were determined and an economic comparison of SSET and CCTV is provided.
Author:
Publisher:
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Category : Aeronautics
Languages : en
Pages : 994
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Author: National Research Council (U.S.). Highway Research Board
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 200
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Author: United States. Department of Transportation
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 72
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