ABSTRACT
This chapter deals with intermediate foundation response under static, dynamic and non-dynamic cyclic loads. It is seen that the response topics considered are basically similar to those for shallow foundation design. The definition of dynamic and non-dynamic cyclic loads is as follows: a cyclic load can be termed dynamic if the rate of loading is such that inertial forces are significant compared to the static loads (e.g. boat impact, earthquake or ice shock forces). If inertial forces are negligible (e.g. wave forces), then the loading is said to be non-dynamic cyclic (Chan and Hannah, 1980). At the element scale, deformations under cyclic loading and creep are shown to share some similarities. Under both creep and cyclic loading, the sample is weakened and can fail at a lower level of loading than under monotonic conditions.
