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    Wind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings

    Source: Journal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 009::page 04021138-1
    Author:
    Bo Chen
    ,
    Weihua Cheng
    ,
    Haoran Ma
    ,
    Qingshan Yang
    DOI: 10.1061/(ASCE)ST.1943-541X.0003121
    Publisher: ASCE
    Abstract: 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.
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      Wind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4272765
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    contributor authorBo Chen
    contributor authorWeihua Cheng
    contributor authorHaoran Ma
    contributor authorQingshan Yang
    date accessioned2022-02-01T22:10:28Z
    date available2022-02-01T22:10:28Z
    date issued9/1/2021
    identifier other%28ASCE%29ST.1943-541X.0003121.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4272765
    description abstractWind 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.
    publisherASCE
    titleWind Interference Effects from One High-Rise Building and Similar Low-Rise Flat-Roof Buildings
    typeJournal Paper
    journal volume147
    journal issue9
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0003121
    journal fristpage04021138-1
    journal lastpage04021138-12
    page12
    treeJournal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 009
    contenttypeFulltext
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