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Wind and Structures Volume 4, Number 1, February 2001 , pages 63-72 DOI: https://doi.org/10.12989/was.2001.4.1.063 |
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Experimental test on bridge jointed twin-towered buildings to stochastic wind loads |
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Z.-H. Ni, C.-K. He, Z.-N. Xie, B.-Q. Shi and D.-J. Chen(China)
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| Abstract | ||
| This paper presents results of a study on wind loads and wind induced dynamic response of bridgernjointed twin-towered buildings. Utilizing the high-frequency force balance technique, the drag and momentrncoefficients measured in wind tunnel tests, and the maximum acceleration rms values on the top floor of towers,rnare analyzed to examine the influence of building\'s plan shapes and of intervals between towers. The alongwind,rnacrosswind and torsional modal force spectra are investigated for generic bridge jointed twin-towered buildingrnmodels which cover twin squares, twin rhombuses, twin triangles, twin triangles with sharp corners cut off, twinrnrectangles and individual rectangle with the same outline aspect ratio as the twin rectangles. The analysis of thernstatistical correlation among three components of the aerodynamic force corroborated that the correlationrnbetween acrosswind and torsional forces is significant for bridge jointed twin-towered buildings. | ||
| Key Words | ||
| twin-towered buildings; wind loads; wind-induced response; high-frequency force balance technique. | ||
| Address | ||
| Z.-H. Ni, C.-K. He, Z.-N. Xie, B.-Q. Shi and D.-J. Chen, Department of Civil Engineering, Shantou University, Shantou, Guangdong, 515063, P.R. China | ||