Abstract
A method of measuring the stress distribution in transmission line conductors caused by vibrations under actual service conditions, and the effect thereon of various attachments, is outlined in this paper. Measurements have been made of the attenuation of traveling waves in conductors, reflection factors of supports, ratio of the bending at a clamp to that in mid span, effect of vertical rigidity of the support, impact effect of traveling waves, stress division effected by a rocking clamp, and other items. Some records of aeolian vibrations are included which indicate a periodic recurrence or similar groups or waves at time intervals equal to the double-span time-interval of a traveling wave.

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