ABSTRACT
Geotechnical zonation maps were developed for the urban areas in Nile Valley and the Faiyum Depression based on the analysis of more than 22500 boreholes distributed in the area. In these maps, the urban areas in the Nile Valley and Faiyum Depression are divided into 15 geotechnical zones of specified soil stratifications and characteristics, which are presented in the form of typical borehole logs for the different zones. Also, maps for the distribution of problematic soils (fill with significant thickness, collapsible soils, and swelling soils) are. produced. In addition, a comprehensive review of the topography, geomorphology, geology, and hydrogeology of the Nile Valley and Faiyum Depression is presented in a simple a concise form that helps geotechnical engineers to identify the relationship between these characteristics and the resulting geotechnical formation and properties in the different geotechnical zones.
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