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Abstract
This paper, presented at CRRELs First International Conference on Snow Engineering, discusses field observations of snow depth in several regions of Japan. The relationship between ground and roof snow depth for flat roofs is discussed from the viewpoint of the influence of wind speed. The snow depth ratio, however, was remarkably influenced by the regional meteorological conditions of the area. The wind effect becomes more significant as the temperature becomes lower and/or the snow density decreases. Moreover, the wind effect is very sensitive to the local aerodynamic condition. After proposing an empirical formula to describe the ground-to-roof snow depth ratio for flat roofs as a function of wind speed, mechanisms of the wind effects are discussed.
This paper, presented at CRRELs First International Conference on Snow Engineering, discusses field observations of snow depth in several regions of Japan. The relationship between ground and roof snow depth for flat roofs is discussed from the viewpoint of the influence of wind speed. The snow depth ratio, however, was remarkably influenced by the regional meteorological conditions of the area. The wind effect becomes more significant as the temperature becomes lower and/or the snow density decreases. Moreover, the wind effect is very sensitive to the local aerodynamic condition. After proposing an empirical formula to describe the ground-to-roof snow depth ratio for flat roofs as a function of wind speed, mechanisms of the wind effects are discussed.
Date
7/1988
7/1988
Author(s)
Mishshi; Takahashi; Izumi
Mishshi; Takahashi; Izumi
Page(s)
158-167
158-167
Keyword(s)
snow load; flat roof; wind speed; wind effect
snow load; flat roof; wind speed; wind effect