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Effects of Antennas on Structural Behavior of Telecommunication Towers

In: Mathematical Modeling and Computational Intelligence in Engineering Applications

Author

Listed:
  • Patricia Martı́n Rodrı́guez

    (Instituto Superior Politécnico José Antonio Echeverri̧a (CUJAE), Facultad de Ingeniería Civil)

  • Vivian B. Elena Parnás

    (Instituto Superior Politécnico José Antonio Echeverri̧a (CUJAE), Facultad de Ingeniería Civil)

  • Angel Emilio Castañeda Hevia

    (Instituto Superior Politécnico José Antonio Echeverri̧a (CUJAE), Facultad de Ingeniería Civil)

Abstract

The communication lattice towers must be designed to resist wind forces and support antennas under heavy working conditions. In the past few years, a number of communication lattice towers have collapsed in Cuba as a consequence of strong winds. Antennas modify the wind flow around their tower and act as a screen against wind loads and transmit strong efforts to its members. The aim of this chapter is to assess the effect of antenna locations on some structural parameters of the tower by means of physical and numerical experiments with computational applications. A physical experiment in a wind tunnel was conducted in order to obtain the drag coefficients of a tower holding dish antennas. Finite element method models of the tower with the implementation of SAP2000 code were generated to obtain forces and displacements on the members, and natural periods of the structure. The numerical experiment consisted of a 23 factorial experiment, where the independent variables were horizontal position, vertical position, and number of dishes on the tower. The results show that the vertical position of dish antennas has the greatest influence on the structural behavior of their supporting tower.

Suggested Citation

  • Patricia Martı́n Rodrı́guez & Vivian B. Elena Parnás & Angel Emilio Castañeda Hevia, 2016. "Effects of Antennas on Structural Behavior of Telecommunication Towers," Springer Books, in: Antônio José da Silva Neto & Orestes Llanes Santiago & Geraldo Nunes Silva (ed.), Mathematical Modeling and Computational Intelligence in Engineering Applications, chapter 0, pages 121-139, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-38869-4_9
    DOI: 10.1007/978-3-319-38869-4_9
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