[提示]保持明流状态的上游最大水深H=1.15h。
A.下游堰面曲线y=0.07090x1.810;上游堰面双圆弧半径:R1=5.04m,R2=2.31m
B.下游堰面曲线y=0.06776x1.850;上游堰面双圆弧半径:R1=5.25m,R2=2.10m
C.下游堰面曲线y=0.07234x1.836;上游堰面双圆弧半径:R1=7.14m,R2=2.205m
D.下游堰面曲线y=0.07678x1.810;上游堰面双圆弧半径:R1=5.04m,R2=2.31m
A.y=0.07861x1.81、R1=4.896m、R2=2.244m
B.y=0.06945x1.85、R1=5.100m、R2=2.040m
C.y=0.07411x1.836、R1=6.936m、R2=2.142m
D.y=0.08806x1.776、R1=4.590m、R2=0.000m