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Re: Guyed Tower[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Guyed Tower
- From: SHAR1210(--nospam--at)AOL.COM
- Date: Wed, 28 Jul 1999 23:42:54 EDT
Guy wires must be modeled as "Tension" member with pin connections at tower end. However, at the ground end it should be fixed because of unsymmetrical load condition. StaadPro gives reasonable results. A better analysis is obtained using MSC NASTRAN and performing a "NONLINEAR" analysis. There is a "TOWER" software produced in ENGLAND which is best for tower analysis. Beware of wind input which is tricky. "EIA/TIA" code (Tower Design ) requires you to check wind in several directions. Some of these codes are outdated and wind forces are based on "Fastest Mile" data which have not been collected in last 10 years. Use ASCE 7-95 to calculate wind force inputs. I hope this helps some. L.H.K.Sharan, P.E.
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