Wind and Structures

Techno-Press (테크노프레스)
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Characteristics of wind loads on roof cladding and fixings

  • Ginger, J.D. (Cyclone Structural Testing Station (CSTS), School of Engineering, James Cook University)
  • Published : 2001.02.25
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Abstract

Analysis of pressures measured on the roof of the full-scale Texas Tech building and a 1/50 scale model of a typical house showed that the pressure fluctuations on cladding fastener and cladding-truss connection tributary areas have similar characteristics. The probability density functions of pressure fluctuations on these areas are negatively skewed from Gaussian, with pressure peak factors less than -5.5. The fluctuating pressure energy is mostly contained at full-scale frequencies of up to about 0.6 Hz. Pressure coefficients, $C_p$ and local pressure factors, $K_l$ given in the Australian wind load standard AS1170.2 are generally satisfactory, except for some small cladding fastener tributary areas near the edges.

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References

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