標準格子板尺寸強度之規範Standard Specification of the Size and Strength of Grating Standard Specification of the Size and Strength of Grating
D：撓度：單位：mm
U：平面均佈載重：kg/m²
C：直線均佈載重：單位：kg/m²，每一公尺寬承受重量推薦使用撓度
0.64cm以內負載係依據允許彎曲應小17.5kg/m²（0.66fy）計算
15119
