The Test Study of Shape Coefficient of Low-Rise Buildings Roof with Different Positions of Openings

Ji Zhou; Yuan Ming Dou; Xi Yuan Liu; Ji Shu Sun

doi:10.4028/www.scientific.net/AMR.446-449.3092

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449The Test Study of Shape Coefficient of Low-Rise...

The Test Study of Shape Coefficient of Low-Rise Buildings Roof with Different Positions of Openings

Abstract:

The majority of low-rise buildings are generally susceptible to wind damage in previous wind disaster, thus it is necessary to gain understanding of the characteristics of wind pressure for these types of building. Based on Wind Tunnel Test, the shape coefficients were studied with pressure measurement on gable roofs laying aside purlin of low-rise building roof in this paper. Three aspects were arerespectively discussed: the lows of shape coefficients and the shape coefficient value with specific wind angle on roofs of the houses completely closed, the house opened doors and windows and the house opened the hole on roof with different wind angle. The laws of shape coefficients were propounded for low-rise buildings with different positions of openings in contrast to load code. A detailed analysis of the experimental results shows that the shape coefficients will increase notably when there are the openings on metope and on roof, and the one is outward of roof, another is inward of roof. It is expected that the results should be valuable for the wind-resistance design of low-rise buildings.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

3092-3095

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.3092

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Online since:

January 2012

Authors:

Ji Zhou, Yuan Ming Dou, Xi Yuan Liu, Ji Shu Sun

Keywords:

Gable Roof, Low-Rise Building, Shape Coefficient, Wind Tunnel Experiment

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References

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