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Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
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¿µ¹®Á¦¸ñ(English Title) |
Estimation of Velocity Pressure Exposure Coefficient using GIS |
ÀúÀÚ(Author) |
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Min Ho Seong
Se Hyu Choi
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¿ø¹®¼ö·Ïó(Citation) |
VOL 19 NO. 01 PP. 0013 ~ 0019 (2011. 02) |
Çѱ۳»¿ë (Korean Abstract) |
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¿µ¹®³»¿ë (English Abstract) |
As an urbanization is in progress, the change of the planimetric features and topography including high-rise residential buildings commonly occur. The change of the planimetric features and topography causes occurrence of the strong wind and wind speed increase or decrease due to the effect of planimetric features and topography on the w indward side even though the w ind blows with the same speed. In the design standard, this change by wind speed is defined as the velocity pressure exposure coefficient, the value of coefficient is estimated and reflected by ground surface roughness, but in a reality, ground surface roughness is determined in accordance with the subjective judgement of designer and then the velocity pressure exposure coefficient is estimated, moreover the research and data for classification of ground surface roughness are insufficient. In this paper, we will estimate the velocity pressure exposure coefficient by the quantified method for classifying ground surface roughness by using GIS according to the height of a building targeting area where high-rise residential buildings are built lately. When the structure subjected to wind load is designed, reasonability of design and safety of structure will be more im proved by using the estimation method of velocity pressure exposure coefficient presented in this study.
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Å°¿öµå(Keyword) |
dz¼Ó°íµµºÐÆ÷°è¼ö
ÁöÇ¥¸éÁ¶µµ
GIS
dz¼Ó
Velocity Pressure Exposure Coefficient
Ground Surface Roughness
GIS
Wind Speed
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