In this article we will discuss about the functions and location for canal headwork. Functions of Canal Headwork: A canal headwork is an assemblage of various hydraulic structures. They are constructed at the head of a canal at the point of take-off. The object of a canal headwork is to divert clear water in the canal for irrigation purpose as [...]
In this article we will discuss about the layout of canal headwork with the help of diagrams. 1. Parts of a Weir: It is very essential to know various parts of a weir before actually designing the weir. Fig. 15.6 gives common parts of a weir structure. Generally weirs consist of the following parts: 1. Upstream boulder pitching for bed [...]
A weir or a barrage is the most important component of a head-works. Therefore it is necessary here to understand the principles on which a weir is designed. Following data is required to design a weir: (a) Design Flood Discharge: Maximum flood discharge data of the river recorded in past is collected. From it future flood discharge is anticipated. (b) [...]