Vibration and fatigue life of steel strand

RECENTLY REPORTED failures of steel ground strand attributed to vibration fatigue have stimulated new effort toward probing for possible explanations of the underlying reasons for the outbreak. The study of the construction practices followed by many utilities revealed several facts: failures were more frequently reported on the higher strength grades of strand; final tensions in many cases were set at 25 per cent of rated strand breaking strength at 60 degrees Fahrenheit; experience which was gained many years ago showing the necessity of armoring conductors at the support points has not been applied generally in the case of the ground strand.

[1]  Theodore Varney,et al.  The Vibration of Transmission-Line Conductors , 1928, Transactions of the American Institute of Electrical Engineers.

[2]  Joseph S. Carroll.  Laboratory Studies of Conductor Vibration , 1936, Transactions of the American Institute of Electrical Engineers.

[3]  E. M. Wright,et al.  Field tests on conductor vibration , 1934, Electrical Engineering.

[4]  Gordon B. Tebo,et al.  Measurement and control of conductor vibration , 1941, Electrical Engineering.

[5]  J. P. Hartog.  Transmission Line Vibration Due to Sleet , 1932, Transactions of the American Institute of Electrical Engineers.

[6]  R. A. Monroe,et al.  Vibration of Overhead Transmission Lines , 1932, Transactions of the American Institute of Electrical Engineers.

[7]  W. B. Buchanan,et al.  Vibration analysis — Transmission line conductors , 1934, Electrical Engineering.

[8]  Theodore Varney,et al.  Notes on the vibration of transmission-line conductors , 1926, Journal of the A.I.E.E..

[9]  R. G. Sturm.  Vibration of cables and dampers-II , 1936, Transactions of the American Institute of Electrical Engineers.

[10]  E. L. Tornquist,et al.  Galloping Conductors and a Method for Studying Them , 1947, Transactions of the American Institute of Electrical Engineers.

[11]  J. P. Denhartog,et al.  Transmission line vibration due to sleet , 1932, Electrical Engineering.

[12]  E.W.W. Double,et al.  Vibration of overhead line conductors , 1940 .

[13]  A. E. Davison,et al.  Dancing Conductors , 1930, Transactions of the American Institute of Electrical Engineers.

[14]  A. E. Davison,et al.  Vibration and Fatigue in Electrical Conductors , 1932, Transactions of the American Institute of Electrical Engineers.

[15]  L. A. Pipes,et al.  Cable and Damper vibration studies , 1936, Electrical Engineering.