Determine the various forces acting on a concrete weir given the following information (7 marks) Height of weir 2 0 m Top width of weir (weir crest width) 0 5m Upstream water depth height of weir Downstream water depth is one third of the weir height Depth of silt on the upstream 0 5m Vertical upstream face Downstream slope of 1 0 5 Foundation material rock, coefficient of friction, f 0 70 Also check the stability of the weir against Sliding (2 marks) Overturning (5 marks)

Question: Determine the various forces acting on a concrete weir given the following information (7 marks): Height of weir = 2.0 m; Top width of weir

Determine the various forces acting on a concrete weir given the following information (7 marks):

Height of weir = 2.0 m;
Top width of weir (weir crest width) = 0.5m
Upstream water depth = height of weir;
Downstream water depth is one-third of the weir height;
Depth of silt on the upstream = 0.5m;
Vertical upstream face;
Downstream slope of 1:0.5;
Foundation material = rock, coefficient of friction, f = 0.70

Also check the stability of the weir against:

Sliding (2 marks)
Overturning (5 marks)

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