Evaluation of Tensile Strength of Multistrand Conductors—Part II: Experimental Results

[+] Author and Article Information
A. Akhtar

Materials Engineering, Powertech Labs Inc., 12388 - 88th Avenue, Surrey, British Columbia, V3W 7R7, Canada

J. Lanteigne

IREQ, 1800 Boul. Lionel-Boulet, Varennes, Quebec, J3X 1S1, Canada

J. Eng. Mater. Technol 120(1), 39-47 (Jan 01, 1998) (9 pages) doi:10.1115/1.2806836 History: Received September 08, 1996; Revised June 06, 1997; Online November 27, 2007


Tension-torsion measurements were made with applied strain on ACSR, AACSR,ACAR, aluminum and aluminum alloy conductors, as well as on groundwires. Results were compared with predictions of a model based on mechanical properties of constituent wires and the geometry of the multistrand cable. True tensile strength of each cable was predicted accurately. Deviations were found in the torque values of cables containing galvanized steel strands. Interstrand friction, not considered in the model, is thought to be responsible for the deviation. Frictionless interaction of strands was found to be a reasonable approximation for aluminum and aluminum alloy stands.

Copyright © 1998 by The American Society of Mechanical Engineers
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