Seismic response of a motorway bridge founded in an active landslide: a case study

Abstract A twin girder 7-pier bridge, belonging to the "Egnatia" highway that has been facing numerous challenging geohazards, is built within an active landslide. Its seismic performance investigated here through a comprehensive analysis of interaction between foundation, and precarious slope, which might affect 4 piers. The numerical 3D modeling considers in realistic way coupled effects topography, soil nonlinearity, slope instability, reinforced-concrete plasticity during loading (kinematic inertial). Alternative foundation schemes stabilizing techniques are generically compared evaluated. aim develop multi-hazard risk assessment platform could facilitate long-term management motorways while shedding some light on soil-structure (MH-SSI).