The symmetrical channel shown in Fig. P10.66 is dug in sandy loam soil with \(n=0.020\). For such surface material it is recommended that to prevent scouring of the surface the average velocity be no more than \(1.75 \mathrm{ft} / \mathrm{s}\). Determine the maximum slope allowed.

Fig. P10.66

Transcribed Image Text:

4 ft 3 ft. 12 ft-