Fatigue Resistance and Reliability of High Mast Illumination Poles (HMIPs) with Pre-Existing Cracks

This research project will evaluate the safe and serviceable lives and probability-based life cycle costs of Texas Department of Transportation (TxDOT) high mast illumination poles. The research includes a unique high-cycle resonant bending fatigue testing plan which will enable testing of high mast pole base connections up to 100 million cycles within 6 weeks. The research team will also conduct a detailed wind analysis based on a field monitoring campaign. The field measurements will be used to develop new and detailed wind loading models to minimize the uncertainty associated with wind loading of these structures. The dynamic response of the poles and the corresponding stress ranges will be modeled through a finite element analysis approach. A probabilistic life-cycle analysis will be used to evaluate the probability of failure of the poles and the benefit/cost ratio of various intervention techniques. The findings of the research project will serve as a state-of-the-art reference for TxDOT engineers and decision makers to allocate resources, minimize risk, and maximize benefit/cost ratios associated with maintenance of high mast poles.

• Record URL:
  http://library.ctr.utexas.edu/Presto/content/Detail.aspx?ctID=M2UxNzg5YmEtYzMyZS00ZjBlLWIyODctYzljMzQ3ZmVmOWFl&rID=Mzk4&sID=MQ==&qrs=VHJ1ZQ==&q=KCop&qcf=M2UxNzg5YmEtYzMyZS00ZjBlLWIyODctYzljMzQ3ZmVmOWFl

Language

• English

Project

• Status: Completed
• Funding: $158,335
• Contract Numbers:

  0-6830-01

• Sponsor Organizations:

  Texas Department of Transportation

  125 E. 11th Street
  Austin, TX  United States  78701-2483
• Project Managers:

  Odell, Wade

• Performing Organizations:

  Texas Tech University, Lubbock

  Office of Research Services
  349 Administration
  Lubbock, TX  United States  79409-1053
• Principal Investigators:

  Dawood, Mina

• Start Date: 20180206
• Expected Completion Date: 20180831
• Actual Completion Date: 20180831
• Source Data: RiP Project 39953

Subject/Index Terms

• TRT Terms: Benefit cost analysis; Failure; Finite element method; High mast lighting; Lighting; Poles (Supports); Wind; Wind resistant design
• Identifier Terms: Texas Department of Transportation
• Subject Areas: Bridges and other structures; Economics; Highways; I30: Materials;

Filing Info

• Accession Number: 01568385
• Record Type: Research project
• Source Agency: Texas Department of Transportation
• Contract Numbers: 0-6830-01
• Files: RIP, STATEDOT
• Created Date: Jun 27 2015 1:00AM