Occurrences of mega earthquakes have been reported more frequently in recent years. Due to their long duration and large number of cycles, the degradation of both stiffne [...]

Frozen ground is significantly stiffer than unfrozen ground. For bridges supported on deep foundations, the bridge stiffness is also measurably increased in the winter mo [...]

Some studies have shown that the seasonally frozen soils have a significant effect on the dynamic properties of building structures, which will yield increases in the fun [...]