On Path Independence of Axially Loaded Wire Rope Strands
Hardin, Jon-Michael
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https://hdl.handle.net/2142/87770
Description
Title
On Path Independence of Axially Loaded Wire Rope Strands
Author(s)
Hardin, Jon-Michael
Issue Date
1998
Doctoral Committee Chair(s)
Costello, George A.
Department of Study
Theoretical and Applied Mechanics
Discipline
Theoretical and Applied Mechanics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Applied Mechanics
Language
eng
Abstract
However, as will be shown, Costello's linearized load-strain expressions for an axially applied force and twisting moment do not satisfy exactly the requirement that, for an elastic system, the work of the applied loads be path independent. In the present study the constitutive load-deformation relationships used by Costello are investigated to determine if these relationships can be modified so that the resulting load-strain expressions meet the requirement of path independence. Additionally, parametric linearized load-strain expressions are developed for a simple straight strand, a multilayer strand, and a three-wire strand to assess the relationship between various strand parameters and path independence for these three cases.
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