A.箱梁混凝土收縮徐變 B.箱梁的截面尺寸 C.箱梁混凝土彈性變形 D.氣溫影響
A.0.6~0.8,1/9~1/15 B.0.6~0.8,1/8~1/10 C.0.5~0.6,1/9~1/15 D.0.5~0.6,1/8~1/10
A.60% B.70% C.80% D.90%