Geophysical and Geotechnical Studies to Stand behind the Damage Potential in 15th May City, Cairo, Egypt

P027 Z-99 Geophysical and geotechnical studies to stand Abstract 1 behind the damage potential in 15th May city Cairo Egypt. T. ABDEL-HAFEZ NATIONAL RESEARCH INSTITUTE OF ASTRONOMY AND GEOPHYSICS 11722 HELWAN CAIRO EGYPT. 15th May City is a new urban which has been developed over 25 years in Eocene sediments south of Cairo. After a period of time some of the buildings are being found cracked. Geoelectric study shows existence of clay beds while scanning electron microscopy (SEM) and Energy dispersive system (EDS) of some selected rock samples show that the rocks have pores in their internal structure and are