Damage to tall structures by wind can be extreme

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Damage to tall structures by wind can be extreme-Image

ESDU’s reliable data for predicting the effect of wind speeds or earthquakes on buildings, tall structures (including wind turbines) and bridges can save the architect and the designer time and money

Over the years we have noticed an increasing trend to build tall structures which are also becoming increasingly light, flexible and complex. This can have a considerable impact on wind consideration as we discover the taller they are, the more likely, they are to sway allowing architects to think about installing systems to minimise swaying, therefore focusing on the effects of wind loads has become even more important.

ESDU Wind Engineering series provides comprehensive prediction procedures for estimating force and pressure coefficients for structures such as stacks, masts, towers (including those with polygonal sections), lattice structures, beams, plates, boundary walls, aerials and regular building shapes. Particular attention has been afforded (where appropriate) to surface roughness affects and high Reynolds number applications. These data are required for estimating both the mean loading and the fluctuating loading due to turbulence in the wind.

Methods and computer programs are included for predicting dynamic effects associated with the oscillation of a structure induced by wind effects (such has buffeting by turbulence, vortex shedding and galloping) close to one, or more, of the structure’s natural frequencies of vibration. Guidance is also given on the interaction effects of closely-spaced circular cross-session structures.

Methods for obtaining the natural vibration characteristics of frame, shear and sway buildings, needed for the prediction of their response to wind or earthquake, are given in simple procedures or computer programs, and methods of estimating the damping of buildings is included. Topics include...

  • Wind speeds and turbulence properties for wind over terrain of all types
    including hills

  • Wind Shelter

  • Mean loads on structures

  • Natural Vibration parameters of structures