Course Details

Sediments in Rivers

Academic Year 2023/24

CR052 course is part of 1 study plan

N-P-C-SI (N) / V Summer Semester 1st year

Explanation of the processes associated with the development of rivers and reservoirs.
Presentation of the prediction capabilities of rivers and reservoirs.
Introduction to the measures affecting development of rivers and reservoirs.

Course Guarantor

Institute

Objective

Informacion of Bankerosion of reservoir.
Riparian zone reconstruction to minimize uncontrolled scouring propagation.Specification of factors causing generation and propagation of scouring, detailed analysis and process of determination of these factors.

Knowledge

Knowledge in following areas:
- informacion of Bankerosion of reservoir,
- specification of factors causing generation,
- propagation of scouring,
- detailed analysis and process of determination of these factors.

Syllabus

1. Basic concepts and division.
2. Grain properties, grain size composition in channel.
3. Incipient of grain motion, stability of channel bed and banks, erosion.
4. Sedimentation, sedimentation regimes, influencing factors.
5. Bed load.
6. Suspended load.
7. Measurement of sediment transport.
8. Sediment transport through weirs and drop structures. Methods for regulation of sediment transport.
9. Numerical modelling of sediment transport and channel development.
10. Physical modelling of sediment transport and channel development.
11. Reservoir sedimentation, sediment transport through reservoirs, channel development after dam removal.
12. Stability of reservoir banks.
13. Case studies.

Prerequisites

Hydraulics, hydrology, soil mechanics, river regulations and weirs, open channel hydraulics.

Language of instruction

Czech

Credits

5 credits

Semester

summer

Forms and criteria of assessment

course-unit credit and examination

Specification of controlled instruction, the form of instruction, and the form of compensation of the absences

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

Offered to foreign students

Not to offer

Course on BUT site

Lecture

13 weeks, 2 hours/week, elective

Syllabus

1. Basic concepts and division. 2. Grain properties, grain size composition in channel. 3. Incipient of grain motion, stability of channel bed and banks, erosion. 4. Sedimentation, sedimentation regimes, influencing factors. 5. Bed load. 6. Suspended load. 7. Measurement of sediment transport. 8. Sediment transport through weirs and drop structures. Methods for regulation of sediment transport. 9. Numerical modelling of sediment transport and channel development. 10. Physical modelling of sediment transport and channel development. 11. Reservoir sedimentation, sediment transport through reservoirs, channel development after dam removal. 12. Stability of reservoir banks. 13. Case studies.

Exercise

13 weeks, 2 hours/week, compulsory

Syllabus

1. Study specification, data. 2. 1D model - channel geometry. 3. 1D model - channel roughness, boundary conditions, model calibration. 4. 1D model - grain size characteristics of the channel. 5. 1D model - average annual discharge wave, boundary conditions. 6. 1D model - simulation of transport, evaluation of the bed level development. 7. 1D model – insertion of the weir. 8. 1D model - simulation of transport, evaluation of the bed level development. • 9. 1D model – removal of the weir. • 10. 1D model - simulation of transport, evaluation of the bed level development. • 11. Final Report. • 12. Calculation of the reservoir sedimentation. • 13. Presentation of the study.