Sara Afarid - Master of Science Student in Geographic Information System, Larestan Branch, Islamic Azad University, Larestan, Iran
Alireza Hajiani Boushehrian - Assistant professor of geotechnical engineering, Department of Civil Engineering, Islamic Azad University, Shiraz Branch, Shiraz, Iran

This research presents the geotechnical zoning map of district ۱ in Shiraz municipality with focus on municipal deep excavation hazard assessment on data from ۱۶۰ boreholes. For this purpose, the mechanical properties are determined according to the results of direct shear, uniaxial, and SPT tests and then excavation hazard assessment with depths of ۳, ۶ and ۹ m, in situations where the excavation depth of the neighbor foundation is below ۰ and ۰ to ۲۰ meters have been calculated. Finally, using ArcGIS software, the assessment hazard excavation for ۶ different modes was zoned and the zoning map of the assessment hazard excavation with the normal, high and very high hazard index is provided. The zoning maps shows that with increasing depth of excavation, the danger is increased, so that in maps whit depth of excavation of ۹ meters, more than ۹۰ percent of points have high hazard index.

Geotechnical zoning, Excavation hazard assessment, Geographic Information System, districts۱ in Shiraz municipality