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Title: Effects of building lift-up design on the wind environment for pedestrians
Authors: Xia, Q 
Liu, X 
Niu, J 
Kwok, KCS
Keywords: Lift-up design
Low wind speed
Pedestrian wind environment
Wind tunnel
Issue Date: 2017
Publisher: SAGE Publications
Source: Indoor and built environment, 2017, v. 26, no. 9, p. 1214-1231 How to cite?
Journal: Indoor and built environment 
Abstract: Low airflow or poor outdoor ventilation around building blocks can negatively influence pollutant dispersion in the surroundings and indoor air quality, and increase the risks of airborne transmission of infectious diseases. However, there have been few studies addressing the wind environment, thermal comfort and other concerns at the pedestrian level. Buildings with a lift-up design may have a number of impacts on the pedestrian-level wind and thermal environments. Three building configurations that resulted in the lowest wind speed zones were identified from a previous study. A 3.5 m high open ground floor was added to each of the three configurations, and scale models of the three designs were studied in a wind tunnel to assess their influences on airflow and ventilation around the buildings. Undesirable areas of low wind speed leading to poor air ventilation and, on the other side of extreme, areas of discomfort due to strong wind conditions were both identified, and their practical implications are discussed.
ISSN: 1420-326X
EISSN: 1423-0070
DOI: 10.1177/1420326X15609967
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