基本锚固长度L=a*fy
钢筋规格
砼标号直径（mm)251625182520252225252532
a
1.011.221.391.632.042.98
钢筋强度fy
280280280280280280
L0.28280.34160.320.450.57120.8344
1=0.6*L0.169680.204960.233520.273840.342720.500
L=max()2=10*D3=0.15
0.160.150.180.150.20.150.220.150.250.150.320.15
受拉区L=max
0.169680.204960.233520.273840.342720.500
