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介绍了长治市某储煤棚的结构及外形尺寸,通过风洞试验,确定了风荷载分区平均风压系数,对比分析了基于随机振动理论与基于直接积分两种风振系数的计算方法,指出基于直接积分方法可获取大跨度储煤棚屋盖不同风向角下准确的风振系数。
This paper introduces the structure and dimensions of a coal storage shed in Changzhi city. Through wind tunnel test, the average wind pressure coefficient of wind load subareas is determined. The calculation methods of wind vibration coefficients based on stochastic vibration theory and direct integral are analyzed. Based on the direct integral method, the accurate wind-induced vibration coefficient can be obtained under different wind direction angles of long-span coal storage shed.