A.0.85~1.05 B.0.8~1.0 C.0.85~1.0 D.0.8~1.05
A.0.4、0.35、0.25 B.0.4、0.3、0.3 C.0.3、0.3、0.4 D.0.3、0.4、0.3
A.集中荷載 B.均布荷載 C.等效荷載 D.分級荷載