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Lacey’s Silt Theory of Canals

Lacey investigated the stability conditions of different alluvial channels and came up with Lacey’s silt theory which explains about the different regime conditions of a channel such as true regime, initial regime, and final regime and the design ...

Ballast – Functions and Types

Ballast is a granular material which is placed and packed below and around the railway sleepers. Different types of ballast materials used are broken stone, sand, gravel, moorum, brickbats etc. The main purpose of ballast is to transmit ...

Roughening Devices and their Types

Roughening devices are installed at the downstream end of the channel and their main function is to dissipate energy from water flow coming on to the downstream bed. Different types of roughening devices generally used are friction blocks, ...

Cistern and its Types

A cistern is an element of canal fall and it is provided on the downstream portion to dissipate the surplus energy of water leaving the crest.  The purpose of a

Factors Affecting Selection of Hydraulic Turbine

The hydraulic turbines or water turbines are important hydraulic machines of the hydropower plant that convert the hydraulic energy into mechanical energy. There are different types of turbines such as a Pelton turbine, Kaplan turbine, Francis turbine, bulb ...

Metering Flume and its Types

A Metering flume or flow measuring flume is an artificial channel section which is used to measure the discharge of a channel. Flumes are of different types and can be made up of materials such as aluminum, fiberglass, ...

Difficulties in Soil Stabilization for Road Construction

Soil stabilization is the method of improving soil properties by adding suitable stabilizers to it. It is very important to achieve the required strength for the soil, especially in road construction projects where an unstable base can lead ...