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以越南首都大厦(Vietnam Capital Tower)幕墙工程为实例,详尽介绍越南标准风荷载的计算过程,比较中越两国建筑风荷载计算方法,指出两国规范对风荷载的计算方法本质上是相同的,给出了越南标准风区图中基本风压值换算成中国规范的基本风压值对比表,比较了风压高度变化系数、风振系数取值的差异。最后以工程实例表明,同一条件下建筑围护结构风荷载中国规范计算值与越南标准计算值B、C类地貌相差不大,A类地貌中国规范计算值略大。
Taking the Vietnam Capital Tower curtain wall project as an example, this paper introduces the calculation process of Vietnam standard wind load in detail and compares the calculation method of wind load between China and Vietnam. It points out that the calculation methods of wind load in the two countries are essentially the same, The table of comparison of the basic wind pressure values from the standard wind pressure map of Vietnam with the standard of China is given. The differences of wind pressure height variation coefficient and wind vibration coefficient are compared. Finally, an engineering example shows that under the same conditions, the calculated value of Chinese standard wind load of building envelope is not much different from that of Vietnamese standard calculated values B and C, and the calculated value of Chinese standard of type A landform is slightly larger.