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[主观题]
图(a)所示轧辊轴直径D=280mm,跨长L=1000mm,l=450mm,b=100mm。轧辊材料的弯曲许用应力[σ]=100MPa。求轧辊能承
图(a)所示轧辊轴直径D=280mm,跨长L=1000mm,l=450mm,b=100mm。轧辊材料的弯曲许用应力[σ]=100MPa。求轧辊能承受的最大轧制力。
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![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
图(a)所示轧辊轴直径D=280mm,跨长L=1000mm,l=450mm,b=100mm。轧辊材料的弯曲许用应力[σ]=100MPa。求轧辊能承受的最大轧制力。
A.0.12,0.15和0.5
B.0.5,0.12和0.15
C.0.12,0.5和0.15
D.0.15,0.5和0.12
图(a)所示多跨静定梁,支座A、B、C下沉量分别为a=20mm,b=40mm,c=30mm,求D截面左、右两侧相对转角φ。