Hydraulic structures

In order to calculate the streaming against or over rigid obstacles, it is differentiated between different types of obstacles, depending on their influence on the flow pattern. Usually hydraulic structures are man-made constructions in order to measure, regulate or discharge flows of streams and conduits. They can be made of rocks, concrete, timber or tree trunks. This subject covers hydraulic structures relating to irrigation, drainage, water supply, sewage and hydropower projects. The purpose of hydraulic structures is the regulation or retention of discharge as well as the settings of discharge processes.


It has to be differentiated between the following hydraulic structures:

  • weirs
  • sluice gates
  • local obstacles
  • bridges
  • outlets

The one-dimensional flow is used in order to calculate the hydraulic loss, caused by these constructions/structures.


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