Working Group on Integrity of Components and Structures (IAGE)

Seismic engineering knowledge transfer seminar

Nuclear Research Institute Rez, Czech Republic
21-25 November 2011

Final Programme and Presentations

21 November - Monday

9:00 – 9:30

Opening address: NRI Representative (Presentation)
Opening address: OECD/NEA
Logistic and Administrative Information (L. Pecinka)

9:30 – 10:15

The Historical International Development of Seismic Design Analysis of Structures, Systems and Components over the Last Sixty Years (Presentation)
Presenting author: John Stevenson, Consulting Engineer, FCSU Corporate Centre, USA

10:15 – 10:45

Coffee break

10:45 – 12:30

The Historical International Development of Seismic Design Analysis of Structures, Systems and Components over the Last Sixty Years, continuation
Presenting author: John Stevenson, Consulting Engineer, FCSU Corporate Centre, USA

12:30 – 13:00

Discussion on morning presentations

13:00 – 14:00

Lunch break in NRI cafeteria

14:00 – 17:00

Seismic Design and Evaluation of the NPP Structures (Presentation)

  • Soil Structure Interaction (Presentation)
  • Generation of the Floor Response Spectra
  • Overview of the computer codes
  • Description of the Containment
  • Applicable Standards and Specifications (Presentation)
  • Loads and Loading Combinations (Presentation)
  • Structural Acceptance Criteria
  • Creep, shrinkage and cracking of concrete
  • Response of containment to near-field earthquake: comparison with design spectrum response. Demonstration case: VVER 1000/320 containment

Final discussion to afternoon presentations
Presenting authors: Ovidiu Coman (IAEA), Jan Malý (NRI Rez)
Daniel Makovicka, Czech Technical University in Prague

22 November – Tuesday (Presentation 1)

9:00 – 12:30

Seismic Design and Response of NPP Piping

  • ASME Code Section III, Articles NB, NC and ND
  • French Code RCC-M
  • Design Response Spectra and Design Time History
  • Load Combination
  • Missing Mass Effect
  • Mitigation of Seismic Effects
    • Snubbers
    • Viscous Dampers
    • Other measures

Presenting author: Alexey Berkovski, Vibroseism St. Petersburg, Russia

13:00 – 14:00

Lunch break in NRI cafeteria

14:00 – 17:00

Principles of the Seismology and Seismic Engineering (Presentation)

  • Introduction
  • Causes of the earthquake
  • Characteristics of the earthquake (macroseismic scale, Richter scale)
  • Consequences of the earthquake
  • Seismological Characteristic of Europe
  • Definition of the seismic vulnerability, mitigation actions
  • Civil Protection in the EU

Presenting author: Dana Prochazkova, Czech Technical University of Prague

23 November – Wednesday (Presentation 1) (Presentation 2)

9:00 – 12:30

Seimic Problems of High Energy Nuclear Piping

  • ASME Code Section III. : Historical Milestones
  • Definition of High Energy Piping
  • History of the problem
  • Standard Review Plan (NUREG 0800) Chapter 3.6.2 Requirements
  • Basic for elasto-plastic calculation of Pipe Whip Restraints

Dynamic Behaviour of Piping with Local Degradation

  • Probabilistic LBB
  • Redefinition of LLOCA

Presenting author: Ladislav Pecinka, NRI Rez
Zbynek Hruby, TU Prague

13:00 – 14:00

Lunch break in NRI cafeteria

14:00 – 17:00

Technical Tour at NRI

  • Research Reactor LWR 15
  • Hot Chamber

17:00 – 22:00

Official dinner, Castle Melnik

24 November – Thursday (Presentation 1) (Presentation 2) (Presentation 3) (Presentation 4 and associated Paper)

9:00 – 12:30

Seismic Hazard Assessment

  • Basic Definitions
  • Hazard vs. Risk
  • Methods of Hazard Calculations

Presenting author: Dana Prochazkova, CzechTechnical University of Prague
PSHA Outputs vs. Historical Seismicity – Example of France
Presenting author: Pierre Labbe, EdF
Practical example of Deterministic Hazard Calculations (Application to town Pilsen)
Presenting author: Katerina Demjancukova, Westbohemian University Pilsen

14:00 – 16:30

Seismic Qualification of Systems, Structures and Equipments

  • Overview of Existing Standards
  • Methodology of SQ including GIP
  • Experimental Methods
  • Practical Examples

Presenting author: Marek Tengler, Czech Office of S & A

25 November – Friday (Presentation 1)

9:00 – 11:45

Seismic Re-evalnation of Older NPPs

  • Historical background
  • Principles of the SMA (US NRC versus EPRI)
  • Selection of the RLE
  • Fragilities
  • Randomness versus uncertainty
  • Numerical example

Presenting author: Ladislav Pecinka, NRI Rez

General Discussion

Closure of Seminar

 

E-mail contact: Alejandro Huerta (alejandro.huerta@oecd.org)

Last reviewed: 18 January 2012