Parametric studies of a stiffened slab on expansive soils

In this research, a two-dimensional finite element model was used to investigate the relative importance of various design parameters in determining the behaviour of a stiffened slab on expansive soils. The parametric studies indicate that instability index and beam depth have significant effects on the performance of the slab, while the influence of elastic modulus of concrete, elastic modulus of soil and Poisson's ratio of soil are relatively small and may be ignored. (a) For the covering entry of this conference, please see ITRD abstract no. E216246.