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Wind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings
Wind tunnel tests in an open terrain were carried out to study interference effects on peak pressure coefficients of one low-rise flat-roof building due to one high-rise building and similar low-rise buildings. The results demonstrate that amplification interference effects are significant on the minimum pressures at the edge of the low-rise building roof adjacent to the high-rise building and on the maximum pressures in the roof area away from the high-rise building, where the minimum pressure means the algebraic minimum with negative suction. Magnitudes of the envelope peak pressure coefficients on the low-rise building increase when the high-rise building height increases. The envelope minimum peak pressure coefficients in the roof middle area parallel to the high-rise building experience amplification effects at large building height and small spacing ratios, but other roof areas experience shielding effects at small spacing ratios, and interference factors of the envelope minimum peak pressure coefficients increase with the increase of the height and spacing ratios. When the spacing ratio is less than two, cases with large height ratios display amplification effects on the envelope maximum peak pressure coefficients, and amplification effects increase with the increase of the height ratio or the decrease of spacing ratio.
Wind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings
Wind tunnel tests in an open terrain were carried out to study interference effects on peak pressure coefficients of one low-rise flat-roof building due to one high-rise building and similar low-rise buildings. The results demonstrate that amplification interference effects are significant on the minimum pressures at the edge of the low-rise building roof adjacent to the high-rise building and on the maximum pressures in the roof area away from the high-rise building, where the minimum pressure means the algebraic minimum with negative suction. Magnitudes of the envelope peak pressure coefficients on the low-rise building increase when the high-rise building height increases. The envelope minimum peak pressure coefficients in the roof middle area parallel to the high-rise building experience amplification effects at large building height and small spacing ratios, but other roof areas experience shielding effects at small spacing ratios, and interference factors of the envelope minimum peak pressure coefficients increase with the increase of the height and spacing ratios. When the spacing ratio is less than two, cases with large height ratios display amplification effects on the envelope maximum peak pressure coefficients, and amplification effects increase with the increase of the height ratio or the decrease of spacing ratio.
Wind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings
Chen, Bo (author) / Cheng, Weihua (author) / Ma, Haoran (author) / Yang, Qingshan (author)
2021-07-12
Article (Journal)
Electronic Resource
Unknown
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