Performance criteria for normal use of communication and broadcasting towers<br>Communication and broadcasting services require as little interference to signal transmission as possible. Normal operation of communication tower and broadcasting tower<br>The use status limit value shall comply with the functional specifications of the antenna and other communication equipment placed on the tower. Tower overpressure shall be avoided<br>Large oscillations and vibrations. Special literature shall be referred to during design.<br>5.3.6 reduce the dynamic effect caused by wind load<br>If the calculated deformation and or acceleration exceed the limit value of normal use state, the following methods can be used (but not only<br>The method is limited to reducing deformation or acceleration (a) increasing self weight (i.e. relying on frequency mitigation method), (b) increasing<br>Stiffness, (c) increase damping and (d) change the geometry of aerodynamic forces. To reduce wind to response<br>Expert advice is needed when the mass, stiffness, damping and aerodynamic geometry change.
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