Course detail

Contemporary Weir Structures

FAST-DRB027Acad. year: 2025/2026

Application of calculation of low sill overflow
Surface hydraulic jump, design and evaluation of divergent stilling pool
Sealing of weir subsoil and training walls
Movable flap gate and segment gate weirs (calculation and evaluation of the structures) and inflatable weirs (calculation and evaluation of the structures)
Calculation and design of needle flashboards and stop logs flashboards
construction details and movable weirs facilities, moving components and weir sluice mechanisms
Principles of operating regulations structure for movable weirs
Prerequisites: River training, Weirs

Language of instruction

Czech

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

doc. Ing. Aleš Dráb, Ph.D.

Department

Institute of Water Structures (VST)

Entry knowledge

Classic fixed weirs and weirs with movable gates, principals of steel hydrotechnical structures design, function of water systems

Rules for evaluation and completion of the course

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

Aims

Calculation and design of modern weir gates of movable weirs- flap gate, radial gate, inflatable gate. Informative static calculaiton of the gates. Evaluation of suitability with respect to handling regulations for uptakes and maximal discharges diversion.

Study aids

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme DKA-V Doctoral 2 year of study, winter semester, compulsory-optional
  • Programme DPC-V Doctoral 2 year of study, winter semester, compulsory-optional
  • Programme DPA-V Doctoral 2 year of study, winter semester, compulsory-optional
  • Programme DPC-V Doctoral 2 year of study, winter semester, compulsory-optional

Type of course unit

 

Lecture

39 hod., optionally

Teacher / Lecturer

doc. Ing. Aleš Dráb, Ph.D.

Syllabus

  • 1. Detail introduction to history of weir structures.
  • 2. Sealing of weir body and weir wing underlay.
  • 3. Overflow of fixed weir sill of movable weirs with high degree of submerge by downstream water, calculation of overflow consumption curve.
  • 4. Surface hydraulic jump, divergent stilling pool.
  • 5. Calculation and design of inflatable weirs – design of fixed low sill and calculation of consumption curve of overflow.
  • 6. Calculation and design of inflatable weirs – design of inflatable structure and calculation of consumption curve of overflow.
  • 7. Calculation and design of downstream apron including lining.
  • 8. Design and calculation of inflatable weir equipment.
  • 9. Informative static calculation of flap gate.
  • 10. Informative static calculation of radial gate.
  • 11. Informative static calculation of elements of stop logs and needle flashboard.
  • 12. Principals of elaboration of weir handling regulations (in system).
  • 13. Excursion.