KTU B.Tech S6 Lecture Notes DESIGN 0F HYDRAULIC STRUCTURES

KTU B.Tech S6 Lecture Notes DESIGN 0F HYDRAULIC STRUCTURES

MODULE I

Diversion head works- layout and functions of components, Weir and barrage- Causes of failure of weirs on permeable soils – Bligh’s theory. Design of vertical drop weir. Khosla’s theory of independent variables- Khosla’s corrections-Use of Khosla’s charts.

MODULE II

• Irrigation canals, canal alignment- cross section of unlined canals- Design of canals through alluvial soils-Kennedy’s theory and Lacey’s theory.

• Cross drainage works-Types, selection of suitable type, Type of aqueducts.

• Regulation Works – Canal falls-necessity, classification. Canal regulators- Regulator cum road bridge- Head regulators and cross regulators.

MODULE III

• Design and Drawing of the following hydraulic structures:
  1. Aqueduct (Type III)
  2. Syphon Aqueduct (Type III)
  3. Canal Fall (Trapezoidal Notch type)
  4. Siphon Well Drop
  5. Sarda Type Fall (High Discharge only)
  6. Cross Regulator (Using Khoslas Theory)

MODULE IV

• Dams-Types, Gravity dam – selection of site- forces acting – stability analysis and modes of failure – Principal and shear stresses- Problems – Elementary profile –limiting height of gravity damshigh and low dams- Practical profiles, Functions of various components shafts, keys, water stops, and different types of gallery,
  Grouting. Instrumentation in dams (Concept only).

MODULE V

• Arch dams-types, methods for design (list only)-Thin cylinder theory.

• Earth dams-types, causes for failure and design criteria. Spillways-Types. Effective length of spillway- Ogee type spillwayprofile. Energy dissipation below spillways – Stilling basins- Indian standard Type I and Type II (design not necessary).