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Weir - Wikipedia There are many weir designs, but commonly water flows freely over the top of the weir crest before cascading down to a lower level There is no single definition as to what constitutes a weir
What is a Weir? - Practical Engineering A weir is a small dam built across a river to control the upstream water level Weirs have been used for ages to control the flow of water in streams, rivers, and other water bodies
Types of Weirs and Flow Over Weirs – theconstructor. org A weir is a concrete or masonry structure which is constructed across the open channel (such as a river) to change its water flow characteristics Weirs are constructed as an obstruction to flow of water
WHAT IS WEIR? | FUNCTIONS OF A WEIR | TYPES OF WEIRS | LCETED WHAT IS WEIR? A weir, also known as a low-head dam is a small overflow-type dam commonly used to raise the level of a river or stream Weirs have traditionally been used to create mill ponds in such places Water flows over the top of a weir, although some weirs have sluice gates, which release water at a level below the top of the weir
Weirs - Civil Engineering Portal Weir is defined as a barrier over which the water flows in an open channel The edge or surface over which the water flows is called the crest The overflowing sheet of water is the nappe If the nappe discharges into the air, the weir has free discharge If the discharge is partly under water, the weir is submerged or drowned
Weirs: Types, Functions, and Design Considerations A weir is a concrete or masonry bridge that is built over an open canal (such as a river) to alter the water flow characteristics Weirs are built as an obstacle to the passage of water