Abstract
The two basic types of towers are briefly described with their diversity in form, construction, and function illustrated by a number of recently constructed structures.
The general theory of wind pressure for aerostatic effects and the empirical-shape factors reported for common structural members are presented. Composite shape factor-solidity ratio relations for square and triangular towers are derived through the use of test data on trusses for aerostatic drag, shielding, and yaw effects. The validity of these relations as reasonably conservative design tools is confirmed by a comparison with test results. Various foreign and American codes are compared relative to aerostatic wind-loading recommendations on tower structures.
Vibration of towers in the direction of the wind and the dynamic behavior of cylindrical elements normal to the wind stream are examined. Recently reported test data on aerodynamic-lift (lateral force) coefficients are presented, and recommendations are made for the dynamic design of cylindrical tower structures. The types of guy oscillation due to wind action and possible means of their suppression are indicated.
Design loadings as well as design procedures for determining maximum stresses and deflections are discussed. The safety of tower structures is discussed, and the additional data required for an accurate estimate of safety are described.
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Cohen, E. (1960). Wind Load on Towers. In: Topics in Engineering Meteorology. Meteorological Monographs, vol 4. American Meteorological Society, Boston, MA. https://doi.org/10.1007/978-1-940033-39-6_6
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DOI: https://doi.org/10.1007/978-1-940033-39-6_6
Publisher Name: American Meteorological Society, Boston, MA
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