Transcription of ANSI/TIA-222-G Explained
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1 Tower Numerics Inc. ANSI/TIA-222-G Explained John R. Erichsen, , Introduction ANSI/TIA-222-G -2005 A big change the biggest since 1986 9 years of Work Published August 2005 Addendum 1 published October 2006 Addendum 2 published by January 2008 2 Revision G Philosophy Why Change? New Technology Engineering Theory LRFD vs. ASD Explicit Impact Controversial LRFD is not universally used ASD has not been updated since 1989 A merged LRFD and ASD manual may appear in the future Computing Resources Implicit impact Increase computing power allows greater calculation/programming sophistication Research Implicit Impact Bracing capacity - ERI Wind Tunnel Studies - PiRod Greater Understanding of Wind Loads - EUROCODE Revi
installation bend radii of the lines, the minimum diameter of a pole structure shall not be less than the diameter which results in 45% utilization of the cross-section for the placement of internal transmission lines. USE INTERPRETATION A ! Remember: “In the absence of a detailed transmission line layout and installation bend radii of the ...
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