6. Conclusions
In this study, the first objective is discussing the influence of analysis types ‘‘degrees of nonlinearity” on the behavior of grid foundation interacted with soil and spots on the grid beams attitude during the difference between beam lengths in the same grid.
The second objective is showing the difference demonstrated in the relative stress flow distributed under the center of rectangular foundation compared with the other under the same point in grid foundation, when the overall loads are the same, and found that when attending to study the ultimate loading case long deformation analysis and high degree of nonlinearity must be carried out.
