Abstract
This paper presents the results of quasi-static bending tests on two different flexible conductors (cables) used to interconnect
electrical substation equipment. The main objectives were to observe the flexural response of flexible conductors and to determine their
moment--curvature relationships under axial tension. The results of the tests indicate that the force-displacement behavior of the conductors
is linear-elastic with negligible hysteretic response. For most combinations of axial tension and lateral displacement, the flexural
stiffuess is very small, and tends toward the minimum possible flexural stiffuess, corresponding to the situation where all the strands are
slipping past each other, and are unable to transfer any shear force. Only for very large axial tension values does the flexural stiffuess
approach the maximum possible flexural stiffuess, corresponding to the situation where all the strands are able to transfer longihldinal
shear forces over one another, and the conductor section acts as a solid cross section.
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