Fatigue analysis of roof cladding under simulated wind loading

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Fatigue analysis of roof cladding under simulated wind loading

Author: K. Suresh Kumar, T. Stathopoulos | Size: 245 KB | Format: PDF | Quality: Unspecified | Publisher: Elsevier | Year: 1998 | pages: 13

Several damage mitigation studies have concluded that wind-induced fatigue may be responsible
for the extensive damage to roof cladding. This paper presents the application of the
recently proposed novel simulation methodology, capable of generating both Gaussian and
non-Gaussian wind pressure ßuctuations, in the fatigue analysis of roof cladding. After establishing
the simulated fatigue characteristics of roof pressures, the total fatigue loading has been
estimated by integrating the long-term wind climate with the simulated fatigue characteristics of
roof pressures. Simulated results are compared with predictions made by Rayleigh, Gaussian
and Weibull models as well as German and British recommendations. The study indicates that
non-normality can signiÞcantly increase the rate of fatigue damage accumulation, and, if
neglected, it can result in non-conservative fatigue life estimates

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