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- 2010532080 abstract "Recent design requirements for traffic signal and sign structures incorporated fatigue load criteria related to wind that are producing significant increases in size and cost. The Fourth Edition of the AASHTO Luminaire and Traffic Signal Specification (2002 with interims) specification is a significant change to past practice and often results in much larger and more costly structures. Here conservative principles (envelope wind demands and infinite fatigue life) for design at increased cost even for those regions not adversely affected by wind-induced fatigue. The states that do not have steady, sustained winds and have not experienced significant fatigue failures have concerns with the larger and more costly structures. A rationale basis for lowering the fatigue design loads may be appropriate. This study compares fatigue failures with respect to wind power (expressed as a function of average wind velocity). Inspection reports for approximate 2500 cantilevered traffic structures and 700 high-mast luminaires were collected and analyzed for suspected fatigue cracking. Each structure was located spatially and the associated wind power classification for that location was noted. (Wind power classifications are used to site wind generators.) This research is limited to traffic signal structures.".
- 2010532080 contributor B12030011.
- 2010532080 contributor B12030012.
- 2010532080 contributor B12030013.
- 2010532080 created "2008.".
- 2010532080 date "2008".
- 2010532080 date "2008.".
- 2010532080 dateCopyrighted "2008.".
- 2010532080 description "Includes bibliographical references (p. 73-74).".
- 2010532080 description "Recent design requirements for traffic signal and sign structures incorporated fatigue load criteria related to wind that are producing significant increases in size and cost. The Fourth Edition of the AASHTO Luminaire and Traffic Signal Specification (2002 with interims) specification is a significant change to past practice and often results in much larger and more costly structures. Here conservative principles (envelope wind demands and infinite fatigue life) for design at increased cost even for those regions not adversely affected by wind-induced fatigue. The states that do not have steady, sustained winds and have not experienced significant fatigue failures have concerns with the larger and more costly structures. A rationale basis for lowering the fatigue design loads may be appropriate. This study compares fatigue failures with respect to wind power (expressed as a function of average wind velocity). Inspection reports for approximate 2500 cantilevered traffic structures and 700 high-mast luminaires were collected and analyzed for suspected fatigue cracking. Each structure was located spatially and the associated wind power classification for that location was noted. (Wind power classifications are used to site wind generators.) This research is limited to traffic signal structures.".
- 2010532080 extent "74, [26] p. :".
- 2010532080 hasFormat "Also available via the World Wide Web.".
- 2010532080 identifier MPC08-20720090126.pdf.
- 2010532080 isFormatOf "Also available via the World Wide Web.".
- 2010532080 isPartOf "MPC report ; no. 08-207".
- 2010532080 isPartOf "MPC report ; no. 08-207.".
- 2010532080 issued "2008".
- 2010532080 issued "2008.".
- 2010532080 language "eng".
- 2010532080 publisher "[Fargo, N.D.] : Mountain-Plains Consortium,".
- 2010532080 relation "Also available via the World Wide Web.".
- 2010532080 subject "Metals Fatigue Measurement.".
- 2010532080 subject "TE228 .P675 2008".
- 2010532080 subject "Traffic signs and signals Supports Design and construction.".
- 2010532080 subject "Traffic signs and signals Supports Evaluation.".
- 2010532080 subject "Wind damage Measurement.".
- 2010532080 subject "Wind resistant design.".
- 2010532080 title "Use of wind power maps to establish fatigue design criteria for traffic signal and high-mast structures / Richard L. Price, Jay A. Puckett, Michael G. Barker.".
- 2010532080 type "text".