高层建筑设计摆在建筑师面前的一个重要问题,就是对风荷载的考虑。从结构的经济性来讲,建筑高度对楼板结构的造价没有多少影响,因为它主要取决于柱间距与跨度,而柱的造价却是随着高层建筑层数的增加直线上升,因为荷载是随层数增加而增加的。但当建筑超过50层时,风荷载就变成一个主要的因素。据美国的技术经济统计(图1),50层的高层建筑,建筑钢材的平均消耗每平方英尺分别为:楼板 One of the most important issues facing high-rise building designers is the consideration of wind loads. In terms of the economics of the structure, the height of the building has little effect on the cost of the floor structure, because it depends mainly on the column spacing and span, and the cost of the column increases linearly with the increase in the number of high-rise buildings, because the load is Increase the number of layers. However, when the building exceeds 50 floors, wind load becomes a major factor. According to the U.S. technology and economic statistics (Figure 1), the 50-story high-rise building, the average consumption of building steel per square foot is: floor