MEASUREMENT OF WIND FORCE ACTING ON NOISE BARRIER PANELS INSTALLED ON THE SCAFFOLDING OF BUILDING DEMOLITION WORK

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  • 建物解体時の足場に設置した防音パネルに作用する空気力の測定

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Noise barrier panels are often installed on the scaffoldings of building demolition works in order to cope with the environmental problem caused by noise and dust. However, the panels are difficult to remove and often left even when strong wind is forecasted. A current technical guideline can estimate wind load on the scaffoldings with solid panels. Still, the wind force distributions with various shape of scaffoldings corresponding to the demolition steps are not clear yet. In this study, wind tunnel tests were conducted to get the wind force coefficient distributions on the noise barrier panels for various steps of a building demolition work. Larger wind force coefficients than the technical guideline were obtained with a model with an opening on one side under a particular wind direction. The possible cause of such a large wind load was discussed. An appropriate design of wall connectors may be necessary based on the larger wind force in these cases.

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