Trapezoidal Section
English units
Metric units
Flow rate given
Flow depth given
Input
Flow rate Q (cms)
Bottom width b (m)
Left side slope z
1
Right side slope z
2
Longitudinal slope S (%)
Manning's n
Results
Flow depth h (m)
x.xx
Top width B (m)
x.xx
Flow area A (m
2
)
x.xx
Average velocity V (m/s)
x.xx
Critical depth h
c
(m)
x.xx
Froude number Fr
x.xx
Bottom shear stress T
d
(Pa)
x.xx
Revised: 18 Aug 2019.
