当支座两侧框楼面架有高差,且Δ h /(h c -50)>1/6时,下面说法正确的是( ) A.当有高差,高跨梁上部纵筋满足(hc-C)≥l aE 时,采用直锚,直锚长度≥laE,且≥0.5hc+5d B.当有高差,低跨梁上部纵筋满足直锚,直锚长度≥l aE ,且≥0.5hc+5d C. 当有高差,高跨梁上部纵筋满足(hc-C) aE时,采用弯锚,弯锚长度=(柱沿跨度方向边长-C-d 箍筋 -d 柱 -25)+15d D. 当有高差,高跨梁下部纵筋满足直锚,直锚长度≥l aE ,且≥0.5hc+5d
A.
当有高差,高跨梁上部纵筋满足(hc-C)≥l aE 时,采用直锚,直锚长度≥laE,且≥0.5hc+5d
B.
当有高差,低跨梁上部纵筋满足直锚,直锚长度≥l aE ,且≥0.5hc+5d
C.
当有高差,高跨梁上部纵筋满足(hc-C) aE 时,采用弯锚,弯锚长度=(柱沿跨度方向边长-C-d 箍筋 -d 柱 -25)+15d
D.
当有高差,高跨梁下部纵筋满足直锚,直锚长度≥l aE ,且 D. 当有高差,高跨梁下部纵筋满足直锚,直锚长度≥l aE ,且 ≥0.5hc+5d D. 当有高差,高跨梁下部纵筋满足直锚,直锚长度≥l aE ,且≥0.5hc+5d