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Aerodynamic interference effects of a proposed taller high‐rise building on wind pressures on existing tall buildings

Yong Quan, Jialu Chen, Ming Gu

2020The Structural Design of Tall and Special Buildings16 citationsDOI

Abstract

Summary When a large super high‐rise building taller than the surrounding tall buildings is built in a dense urban area, the aerodynamic interference effects of the surrounding buildings on the proposed building attract much attention, while the interference effects of the taller high‐rise building on the nearby existing buildings are often ignored. Based on a series of wind tunnel tests, the interference effects of a proposed taller high‐rise building, an adjacent equal‐height partner building, and relatively short background buildings on the target building's local wind pressures are analysed in this paper. Two‐dimensional numerical simulation are carried out to further understand the interference mechanism in some cases. The test results show that the influence of a nearby proposed taller high‐rise building may lead to wind‐induced damage on the interfered shorter buildings' envelopes. The envelope structures of other surrounding buildings facing the side of the proposed building need to be given more attention.

Topics & Concepts

Building envelopeAerodynamicsInterference (communication)Wind tunnelHigh riseBuilding modelEnvelope (radar)Architectural engineeringEnvironmental scienceMeteorologyStructural engineeringEngineeringAerospace engineeringSimulationTelecommunicationsGeographyThermalRadarChannel (broadcasting)Wind and Air Flow StudiesMeteorological Phenomena and SimulationsTropical and Extratropical Cyclones Research