Course detail

Stability of channels of water courses

FAST-DR58Acad. year: 2009/2010

Natural stream channel evolution, response of natural stream to interferences. Generation, properties and transport of sediments. Effect of sediment transport to channel bed roughness. Deformation of particular parts of open channels and train rivers by water flow.

Language of instruction

Czech

Mode of study

Not applicable.

Department

Institute of Water Structures (VST-VST)

Learning outcomes of the course unit

Not applicable.

Prerequisites

River hydraulics - mathematical models of river flow, mechanic-physical properties of earth materials

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Requirements for successful completion of the subject are specified by guarantor’s regulation updated for every academic year.

Course curriculum

1. Channel evolution processes, stream slope curve, regime theory
2. Generation of sediments, Sternberg's law, mechanic-physical
properties of sediments
3. Initiation of sediment transport - distribution of shear stress in
profile
4. Critical shear stress, drag force
5. Non-scouring and silting velocity, sediment flow
6. Analysis and comparison of comonly used calculaiton formulas
7. Flow in open channel - velocity field - point, in vertical and
mean profile velocities
8. Deformation of velocity field in river bends - main equation
9. Razovsky method of expression of velocity field deformation
10. Deformation of channel, geration of scours and deposits
11. Theoretic-empiric formulas for calculaiton of size of possible
scours
12. Comparison of applicability of different formulas
13. Influence of sediment transport to change of roughness degree

Work placements

Not applicable.

Aims

Evaluation of stability of open channels as ecological spine of landscape. Physical bases, theoretical bases and empirical calculation formulas.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme D-K-C-SI Doctoral

    branch VHS , 2 year of study, winter semester, elective

  • Programme D-P-C-SI Doctoral

    branch VHS , 2 year of study, winter semester, elective

Type of course unit

 

Lecture

39 hod., optionally

Teacher / Lecturer