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大跨度干煤棚结构表面体型系数试验研究
Wind Tunnel Experiment Study on Shape Coefficient of Large-Span Dry-Coal-Sheds
【摘要】 以浙江华能玉环电厂干煤棚工程项目为背景,根据工程设计和实验研究的需要,对干煤棚这种建筑结构进行了风洞试验。考虑到干煤棚形状和多种流动性态的影响,分别将其表面划分为五块区域和三十五块区域,得到不同工况下干煤棚表面的分块体型系数。同时还比较了A、B两种风场对于干煤棚表面风荷载体型系数的影响。
【Abstract】 The paper has been finished based on the dry-coal-shed′s wind tunnel experiment which is part of the project of Huaneng′s thermal power plant.The surface of the dry-coal-shed has been divided into five areas what is named the first division method and thirty-five areas what is named the second division method according to the shape of the dry-coal-shed and the character of the flow field.Only the shape coefficients without outside disturbances have been taken into account in order to meet the needs of the load code.In the end of the paper,the effect of terrain on the dry-coal-shed′s shape coefficients has been studied.
【Key words】 dry-coal-shed; wind load; wind tunnel experiment; shape coefficient;
- 【文献出处】 结构工程师 ,Structural Engineers , 编辑部邮箱 ,2007年01期
- 【分类号】TU312
- 【被引频次】51
- 【下载频次】473