Abstract
Built in several stages over 20 years, the electric rail system in Portland, Oregon is varied in construction design and materials and presents a range of stray current conditions. The rail system is proximate to water supply mains, distribution mains, and services also constructed with varied materials and methods. This paper presents a parametric approach that characterizes stray current mechanisms, the magnitude of stray current effects, and the sensitivity of differing design and construction methods in mitigating stray current.
Subject
Electric current,
Rail,
Footwear,
Substations,
Water,
Piping,
Voltage,
Corrosion currents,
Rebar,
Slabs,
Current densities,
Stray current,
Construction
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2005
GOV
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