Critical Depth Determination

Подпись: IOO Подпись: 150 Critical Depth Determination Подпись: 350

The critical depth for various culvert cross-sections may be found from charts in HEC 5. An example is given in Fig. 5.16 for a rectangular section. In this case, the ratio of the flow Q (ft3/s) to the width B (ft) is used to find the critical depth dc (ft). Of course, dc cannot exceed the depth of the box section.

Подпись: MOTEac CANNOT EXCEED D

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