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7 Cracking Control Methods in Concrete Dams

In concrete dams, cracks are formed mainly due to shrinkage of concrete due to temperature variations. These cracks may develop internally in the body of the dam or externally on the surface of the dam. Surface cracks are more dangerous than ...

4 Different Types of Geological Formations of Groundwater

Groundwater is an important natural resource. The precipitation infiltrates into the ground and travels down until it reaches the impervious stratum where it is stored as groundwater. It is stored in the pores present in the geological formations ...

Types of Tide Gauges

Tide gauge is an instrument used to measure the changes in water level with respect to a vertical datum. The variations in sea level during high tides and low tides are measured by using tide gauge. It is ...

Bioswale – Design, Applications and Advantages

A Bioswale or biofiltration swale is a narrow strip of a vegetated area that redirects and filters stormwater. A typical bioswale is long, linear and shallow and is used to collect runoff water from non-porous surfaces such as ...

7 Types of Fish Ladders or Fishways

A fishway or fish ladder is a waterway constructed on or around a natural or artificial obstruction to provide a passageway for fish and other aquatic species. The construction of fishway allows a seamless migration for the aquatic ...

Why do Modern Dams Fail?

Dam failures rarely occur, but when they do, it wreaks havoc into the environment and human life. There are several reasons that contribute to dam failure like overtopping, failure of foundation, erosion, improper maintenance, etc. Modern dams make ...

7 Different Types of Spillways

A spillway is a hydraulic structure built at a dam site for diverting the surplus water from a reservoir after it has been filled to its maximum capacity. Spillways are classified into different types on the basis of ...