What are common causes of weir failure?
Weirs can sometimes have issues that cause them to fail. Here are some common problems:
Erosion: Water can wash away the soil around the weir or under it, which might weaken the structure.
Sediment Buildup: If too much sediment collects behind the weir, it can block the flow and make the weir less effective.
Damage from Floods: Heavy floods can damage or even break the weir if the water pressure is too high.
Structural Issues: Cracks or weaknesses in the weir itself can lead to problems, especially if it’s not built properly.
Poor Maintenance: If the weir isn’t regularly checked and repaired, small problems can turn into bigger issues.
In short, keeping an eye on these factors and maintaining the weir helps prevent these kinds of failures.
What are the key considerations in selecting a site for a diversion headwork?
List major irrigation projects in India and describe their significance.
Give the physical characteristics of 53 grade OPC.
How is water logging defined and what are its effects?
Define flood and describe its types.
