Computes the wind-resistance grade of a building structure per GB 50009 from basic wind pressure, terrain category, shape factor and structural height.
建筑结构抗风等级性能评估工具,根据GB 50009《建筑结构荷载规范》,输入基本风压、建筑高度、体型系数和地面粗糙度类别,计算风荷载标准值wk=βz×μs×μz×w₀,评定抗风等级。适用于建筑结构抗风设计参考与风荷载估算。