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Full-Scale Measurements of Wind Pressures on a Low-Rise Building during Typhoons and Comparison with Wind Tunnel Test Results and Aerodynamic Database
| 题名： | Full-Scale Measurements of Wind Pressures on a Low-Rise Building during Typhoons and Comparison with Wind Tunnel Test Results and Aerodynamic Database |
| 正文语种： | 英文 |
| 作者： | X. J. Wang1; Q. S. Li; B. W. Yan |
| 作者单位： | Hunan Univ.;City Univ, of Hong Kong;Chongqing Univ. |
| 关键词： | measurement；pressure；typhoon；database；tunnel；building；scale；dynamic；paris；compa |
| 摘要： | This study investigated wind-induced pressures on an instrumented low-rise building with gable roof and roof overhang during Typhoons Mujigae and Sarika by means of full-scale measurements. Then, detailed wind tunnel tests on a 1:100 scale model of the instrumented building were performed under different upstream exposure conditions. Moreover, cross-comparisons between the field measurements, wind tunnel testing results, and aerodynamic database for low-rise buildings established by the Tokyo Polytechnic University (TPU) were made for validation purposes. The comparative study illustrates that the mean and RMS wind pressure coefficients on the roof of the low-rise building among the field measurements, model test results, and aerodynamic database are in reasonable agreement, and the wind tunnel modeling methodology could reproduce the minimum pressure coefficient in terms of the ratios of peak wind pressures to maximum dynamic pressures. An improved peak pressure estimate approach was proposed, and its effectiveness was verified against the field measurements. The combined study of full-scale measurement, wind tunnel testing, and usage of aerodynamic database aimed to further the understanding of wind effects on typical low-rise buildings during typhoons and improve their wind-resistant design. |
| 出版日期： | 2020.10 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.146 |
| 期： | No.10 |
| 页码： | 04020196 |
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