Laboratory model tests for the settlement of a surface square foundation supported by a medium dense sand and subjected to cyclic loading of low frequency (1 cps), and transient loading have been presented. These tests were conducted with and without geogrid reinforcement in the soil. Only one type of soil and one type of geogrid were used for all tests. The maximum permanent settlement due to the cyclic and transient loads in reinforced and unreinforced soils have been compared. Based on the present test results, it appears that geogrid reinforcement can act as a settlement retardant for dynamic loading conditions on the foundations.