ABSTRACT
This chapter reviews the results of the experimental analysis at micro and meso scale, the numerical modelling at macro scale and the on-site structural analysis. Time-dependent mechanical damage, such as creep phenomena, can lead to changes in material properties and cause gradual deterioration of structural components or even collapse of structures. Creep deformations in brittle construction materials can have a major impact on the behavior of a structure. Time-increasing deformations under sustained loading can lead to considerable pre-stress losses in masonry and concrete, occurrence of cracking and reduction of the initial stiffness and, in a limited number of cases, even collapse of the structure. The multi-scale approach thus included the level of the material, the components and the structure. The multi-scale experimental and numerical approach, together with the on-site analysis formed the base for the thorough understanding of the collapse of the monument.
