Field tests and numerical analysis of the effects of scour on a full-scale soil–foundation–structural system

Abstract Scour is the prevailing cause of bridge failure worldwide, leading not only to traffic disruption, but also social and economic losses even casualties. Many vibration-based monitoring techniques have been proposed for identifying scour location extent, based on evaluation changes modal properties due scour. This study describes experimental numerical research carried out investigate effects dynamic structures with shallow foundations. Although these are most vulnerable ones, they received less attention compared founded pile To fill some existing knowledge gaps, field experiments were EuroProteas, a structural prototype foundation that was subjected increasing levels The system evaluated by postprocessing ambient vibration recordings developing various models soil–foundation–structural different descriptions soil–structure interaction problem. results shed light systems foundations accuracy alternative modelling approaches. They presented here inform development validation strategies identification.