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Calculate the length of upstream talus if the length of the downstream loose stone talus is 20 m.

Calculate the length of upstream talus if the length of the downstream loose stone talus is 20 m. Correct Answer 10 m

For designing the proper weir portion, the length of upstream talus (L4) is kept equal to half the length of D/s talus. Given the length of loose D/s talus = 20 m The length of upstream talus = 20/2 = 10 m.

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