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[单选题]
设屋面梁的纵向受拉钢筋为3Φ8,按荷载标准组合下钢筋的应力σss=162N/mm2,则屋面梁的短期刚度Bs最接近______项数值。
A.42555kN·m2
B.49123kN·m2
C.33125kN·m2
D.55412kN·m2
查看答案
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A.42555kN·m2
B.49123kN·m2
C.33125kN·m2
D.55412kN·m2
A.42 555kN·m2
B.49 123kN·m2
C.33 125kN·m2
D.55 412kN·m2
A.0.77
B.0.635
C.0.58
D.0.66
A.183N/mm2
B.211N/mm2
C.84N/mm2
D.101N/mm2
A.183N/mm2
B.211N/mm2
C.84N/mm2
D.101N/mm2
A.0.154mm
B.0.140mm
C.0.125mm
D.0.177mm
设梁支座处上部配有3φ18的纵向钢筋,下部为2φ16的纵向钢筋,箍筋为φ8
A.V=222.1kN,M=-98.4kN·m
B.V=222.1kN,M=-89.2kN·m
C.V=208.2kN,M=-98.4kN·m
D.V=241.5kN,M=-109.5kN·m
A.193N/mm2
B.225N/mm2
C.206N/mm2
D.290N/mm2
A.670mm
B.490mm
C.550mm
D.450mm