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In the case of large-scale buildings, walls or tall parapets are often attached on the outer periphery of the roofs in order to screen the drainage gradient or accommodate machinery on the rooftop. Previous studies have been conducted on the effect of parapets on the wind pressure and the efficacy of porous parapets in mitigating peak wind pressure. But there are a variety of factors, such as height of parapets, overall scale and shape of buildings and the characteristics of approach flows, whose influences have not previously been well elucidated. In this paper, wind tunnel tests and fluid analyses using rigid models are conducted, and the influence of each factor on wind pressure was analyzed.

CHARACTERISTICS OF WIND PRESSURE ON ROOFS OF LARGE-SCALE BUILDINGS WITH WALLS ON THE ROOFTOP