David R. Hall: About the Author
Longview Inspection
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Published Articles
Many of the guyed flare stacks and wire rope or strand supported structures in use in U.S. and overseas refineries, pipelines and chemical plants were erected in the 1950's, 60's and 70's. Some were built even earlier. While many of the components of these structures have been routinely inspected by various methods of testing, the wire rope and strand that support and hold these structures in position have, typically, been taken for granted and only elementary visual inspections have been performed. Wire rope and strands in sedentary environments deteriorate and lose their working capability due to many factors. These factors exist both internally and externally.