The accurate modelling of soil properties and soil-structure interaction (SSI) are an important issue for the seismic margin and safety assessment of industrial plants and critical infrastructures. Concurrently, it has been shown in the past that the spatial variability may have a major impact on extended and multi-supported structures. The objectives of LOSSVAR are:
- to implement probabilistic numerical soil-structure interaction models accounting for soil spatial variability
- to evaluate the impact on the expected seismic margin and safety factors in probabilistic risk assessment
DESCRIPTION OF WORK
MAIN RESULTS / HIGHLIGHTS
- Development of stochastic soil model based on analytical solutions of 3D Karhunen-Loève decomposition for improved efficiency and robustness. Validation with respect to coherency function of literature.
- Software implementation and case studies made available to public through open source simulation platform SalomeMeca.
- Benchmarking of different codes to assess and validate simplified methodologies
- Experimental tests at reduced scale at the University of Brighton
1 March 2015 – 31 August 2016
EDF, IMSIA (F), UoB (UK), SPI (D)
This project has received funding from the Euratom Seventh Framework Programme under grant agreement No 604965.