Fatigue-resistant Design of Cantilevered Signal, Sign and Light Supports PDF Download
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Author: Mark R. Kaczinski
Publisher: Transportation Research Board
ISBN: 9780309062749
Category : Technology & Engineering
Languages : en
Pages : 268
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Book Description
Author: Mark R. Kaczinski
Publisher: Transportation Research Board
ISBN: 9780309062749
Category : Technology & Engineering
Languages : en
Pages : 268
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Book Description
Author: Robert Joseph Dexter
Publisher: Transportation Research Board
ISBN: 0309067243
Category : Lampposts
Languages : en
Pages : 111
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Author: Robert Joseph Dexter
Publisher:
ISBN:
Category : Lampposts
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN: 9780309067249
Category : Highway research
Languages : en
Pages : 77
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Book Description
Author: Justin M. Ocel
Publisher:
ISBN:
Category : Lampposts
Languages : en
Pages : 190
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Book Description
Traffic signs and signals are often supported by flexible cantilevered structures that are susceptible to wind-induced vibration and fatigue. The latest version of the design specifications published by the American Association of State Transportation Officials (AASHTO) now considers fatigue as a limit state. However, most of the fatigue classifications for welded details were not based on full-scale testing, and are thought to be overly conservative. This research will address the fatigue resistance of two common mast arm-to-pole connections used in the state of Minnesota. The resistance attained experimentally aligned with current predictions using AASHTO procedures, except for in-plane loading of box connection details. As a consequence of specimen design, a variety of tube-totransverse plate connections were also tested using multi-sided tube cross-sections with different tube diameters, tube thicknesses, as well as base plate thicknesses. The standard tube-to-transverse plate connection exhibited Category K2 resistance, two categories lower than the E' specified by AASHTO. This resistance was enhanced to Category E' through impact treatment or Category E by doubling the base plate thickness. Gusset plates could not prevent cracking of the tube at the base plate, but the tips of the gusset plate exhibited Category E resistance.
Author:
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 212
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Author: Robert J. Connor
Publisher: Transportation Research Board
ISBN: 0309214033
Category : Science
Languages : en
Pages : 140
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Book Description
TRB’s National Cooperative Highway Research Program (NCHRP) Report 718: Fatigue Loading and Design Methodology for High-Mast Lighting Towers provides criteria for the fatigue design of high-mast lighting towers.
Author: Ramy Said Abdalla
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 220
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Book Description
Author: Fouad H. Fouad
Publisher: Transportation Research Board
ISBN: 0309087538
Category : Lampposts
Languages : en
Pages : 59
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