Abstract

The “Guide for Reliability-Based Design of Transmission Line Structures” has been prepared under the sponsorship of the Electric Power Research Institute to facilitate the improved structural design of transmission line and similar utility structures. The primary features of this guide and its use in design applications are summarized. The guide presents two similar data sensitive reliability-based formats for design, background on this design approach and development of the designer-oriented formats, along with information on the environmental (wind, ice) and other structural loads, recently developed analysis software, and resistance information on wood poles and other components. Calibration studies to aid in the selection of appropriate design reliability levels are described, along with design examples.

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