Elastic-plastic analysis of tubular transmission structures
DOI: 10.1016/0045-7949(88)90005-3
Title: Elastic-plastic analysis of tubular transmission structures
Journal Title: Computers & Structures
Volume: 28
Issue: 5
Publication Date: 1988
Start Page: 603
End Page: 620
Published online: online 12 February 2003
ISSN: 0045-7949
Author: Robert Lemaster, Vichien Nopratvarakorn, Timothy Theiss
Affiliations:
  • Sverdrup Technology, Inc., P.O. Box 884, Tullahoma, TN 37388, U.S.A.
  • Abstract: ntial application of Elastic-plastic analysis and design methods to tubular steel H-frame structures is discussed. The mathematical theory is subsequently presented for a large deflection beam element with Elastic-plastic material characteristics. The numerically integrated beam element and associated computer program are based on an incremental Newton-Raphson solution methodology. The beam element was used to study the failure characteristics of a 500 kV tubular steel H-frame structure and a substation take-off structure. Computed results were found to agree well with full-scale structure test results.
    Received: 6 April 1987

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