EP 1110-2-13
28 Jun 96
water from a specific wave will run up the face of a
structure or embankment.
Weir
A notch of regular form through which water flows.
a. Weir, broad-crested. An overflow structure
on which the nappe is supported for an appreciable
length in the direction of flow.
b. Weir, measuring. A device for measuring
the rate of flow of water. It generally consists of a
rectangular, trapezoidal, triangular, or other shaped
notch, located in a vertical, thin plate over which
water flows. The height of water above the weir crest
is used to determine the rate of flow.
c.
Weir, ogee. A reverse curve, shaped like an
elongated letter "S." The downstream faces of
overflow spillways are often made to this shape.
Wind setup
The vertical rise in the stillwater level at the face of a
structure or embankment caused by wind stresses on
the surface of the water.
B-14
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