Answer / pavan

WEIR: an impervious barrier which is constructed across a
river to raise the water level on the upstream side is known
as a weir. Here the water level is raised up to the required
height and the surplus water is allowed to flow over the
weir. Generally it is constructed across an inundation river.

BARRAGE: when adjustable gates are installed over a weir to
maintain the water surface at different levels at different
times is known as a barrage. The water level is adjusted by
operating the gates or shutters. The gates are placed at
different tiers and these are operated by cables from the
cabin. The gates are supported on piers at both ends. The
distance between the pier to pier is known as Bay.

Answer / anand

WEIR IS A STRUCTURE TO STORE WATER .AND WATER RAISES ABOVE
WEIR LEVEL IT OVERFLOW DUE TO GRAVTY.NO REQULATION OF
WATER IN THIS STRUCTURE.
iN BARRAGE WATER IS STORED AND REQULATED FOR IRRIGATION AND
POWER GENERATION THROUCH GATES.

Answer / sofia

weir is an impervious barrier .here water level is rise up
to the required hight & the surplus water is allowed to
flow over the weir...........but in case of barrage
adjustable gates are installed...........

Answer / pinakin

Gated weir is called a barrage..Barrage works on elevated
crest and water flow is controlled using gates..
Weir is the construction where all work is done by elevated
crest.Water flow is not controlled to great extent.
Now days usually barrages are constructed because water flow
can be controlled easily.
Elevation/ht. of crest is low in barrage than weir.

Answer / iftikhar azim

if the major part of the ponding or the entire ponding of
water, ponding means to block or store water, is done by
the crest and the nil par or smaller part is done by the
shutters, such type of barrier is known as WEIR. But if the
major part of the ponding is done by gates and smaller part
by the crest, then it is called a BARRAGE OR RIVER
REGULATOR.

Answer / charu

weir is a free flow water from dam.. barage is through gate..

Answer / rohit gupta

Weir is a uncontrolled storage structure....
barrage is a controlled storage structure having gates installed in it...

Answer / bharti sharma

if the major part or the entire ponding of water is achieved
by a raised crest and a smaller part or nil part of it is
achieved by a shutters,then this barrier is known as a weir.

if most of the ponding is done by gates and a smaller or nil
part of it is done by the raised crest,then the barrier is
known as a barrage.

Answer / bhupendra singh

weir - it is used to measure more discharge of a liquid.

barrage - water is stored and required for irrigation and power generations through gates.

Answer / aychilum

***Weirs are overflow structures built
across open channels to measure
the volumetric rate of water flow
***The crest of a measurement weir i s
usually perpendicular to the
direction of flow

why are use steel with conc. instead use of other type materials.

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