Numerical modeling of skirt foundation under vertical load

In the construction of civil structures, the strength of the foundation is of high importance, so engineers face many challenges such as bearing capacity, settlement, high groundwater level, etc., especially if the structure is on sandy soil. In order to deal with these problems, solutions have been proposed, one of which is the use of skirted foundations. In this method, walls skirt the surface foundation and are buried deep in the soil, which are called skirted foundations. In this study, using numerical Analysis, taking into account the parameters of different lengths of skirted foundation walls, different percentages of soil densities and wall thickness, have been investigated under static load. On the basis of the obtained results, a series of charts are presented to estimate bearing capacity improvement, Skirted foundations resting on sand are dense more beneficial than those resting on medium and loose sand.