Actually, due to its simplicity of construction, shallow stiffened footing are considered to be, in many cases, a better cost saving solutions compared to the pilebeam foundation system, especially for lightweight structures such as one and two-story residential and commercial buildings as noted in literature [8, 9] . According to the classification of the Moroccan Guide on design measures for foundations in the North of the Kingdom, a shallow stiffened footing is the best solution for

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... s built on expansive soils in morocco and over the world. It ensures a high to very high level of protection to the buiding against the differential heave of the foundation subsoils. Negative impacts are avoided or,