A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Vibration control in lattice communication towers
Lattice communication towers are sensitive to dynamic environment generated by wind, ice, earthquakes, impact, blast loads and mechanical failures, such as guy rupture. The vibrations excited by these environments cover an ample spectrum of frequencies which affects the towers in different ways, ranging from serviceability problems, to fatigue or collapse. The control of such vibrations by supplemental damping devices in the categories of Active and Passive Control Systems have been implemented in lattice towers. The active system may be more effective in guy towers, but is more expensive, difficult to implement and requires continued supervision. The paper will focus on passive control devices for self supporting towers, tower masts and guys.
Vibration control in lattice communication towers
Lattice communication towers are sensitive to dynamic environment generated by wind, ice, earthquakes, impact, blast loads and mechanical failures, such as guy rupture. The vibrations excited by these environments cover an ample spectrum of frequencies which affects the towers in different ways, ranging from serviceability problems, to fatigue or collapse. The control of such vibrations by supplemental damping devices in the categories of Active and Passive Control Systems have been implemented in lattice towers. The active system may be more effective in guy towers, but is more expensive, difficult to implement and requires continued supervision. The paper will focus on passive control devices for self supporting towers, tower masts and guys.
Vibration control in lattice communication towers
Penalba, C.U. (author)
1999
4 Seiten, 1 Quelle
Conference paper
English
Schwingungsregelung , dynamisches Verhalten , dynamische Belastung , Eis , Ausfall , Dämpfung , Strukturanalyse , Steuerungs- und Regelungssystem , Steuereinrichtung , mathematisches Modell , Gittermast , Regeleinrichtung , Schwingungsdämpfung , Schwingungssteuerung und -regelung , mechanischer Ausfall
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