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Planetary Boundary Layer Modeling and Standard Provisions for Supertali Building Design
| 题名： | Planetary Boundary Layer Modeling and Standard Provisions for Supertali Building Design |
| 正文语种： | 英文 |
| 作者： | Emil Simiu, F.ASCE; N. Alan Heckert;DongHun Yeo, M.ASCE |
| 作者单位： | Engineering Laboratory, National Institute of Standards and Technology |
| 关键词： | Planetary boundary layer flows; Structural engineering; Tall buildings; Veering angle; Wind engineering; Wind tunnel procedure; Wind effects. |
| 摘要： | According to recent results of planetary boundary layer research relevant to the design of tall buildings subjected to large-scale synoptic storm winds, for elevations of up to at least 1 km, the longitudinal mean wind speeds are monotonically increasing with height. It is shown that, for this reason, to avoid the possible unconservative design of supertali buildings significantly affected aerodynamically by neighboring buildings, an explicit derogation from the ASCE 7 standard specification of the gradient heights zq is necessary for buildings with heights greater than zq DOI: 10.106l/(ASCE)ST.1943-541X.0001804・ © 2017 American Society of Civil Engineers. |
| 出版日期： | 2017.08 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.08 |
| 页码： | 06017002 |
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