单项选择题
WKL中间支座竖向变截面顶部有高差时,当上部纵向钢筋在变截面处需弯折时,其弯折长度为()
A.15d
B.△-bhc+15d
C.Laed
D.△-bhc+Lae
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单项选择题
A.15d
B.△-bhc+15d
C.Laed
D.△-bhc+Lae
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