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[单选题]
纵向受拉钢筋的锚固长度为La,当其搭接接头面积百分率为50%时,其搭接长度至少为()。
A.200
B.250
C.300
D.400
查看答案
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A.200
B.250
C.300
D.400
A.30×1.35
B.40×1.35
C.50×1.35
D.60×1.35
A.25
B.30
C.35
D.45
A.30
B.35
C.45
D.55
A.30×1.2
B.35×1.35
C.45×1.45
D.55×1.5
A.25×1.55
B.35×1.45
C.45×1.35
D.55×1.25
A.30×1.3
B.35×1.35
C.45×1.4
D.55×1.45
A.25×1.25
B.30×1.1
C.35×1.35
D.45×1.2
A.25×1.65
B.35×1.55
C.45×1.45
D.55×1.35
A.25×1.35
B.35×1.25
C.45×1.2
D.55×1.1