Site Assessment using Seismic and Electrical Resistivity Tomography at Alamein Area, Egypt.

Document Type : Original Article

Authors

1 1Technical Development Solutions, Riyadh, Kingdom of Saudi Arabia. 2Geophysics Department, Faculty of Science, Ain Shams University, Cairo, Egypt

2 2Geophysics Department, Faculty of Science, Ain Shams University, Cairo, Egypt

3 Geotechnical Engineering, Faculty of Engineering, Giza Engineering Institute, Giza, Egypt

Abstract

Site assessment studies using geophysical methods have been carried out in the Alamein area, Egypt to distinguish the different soil/rock type materials (rock, sand, gravel, or clay). Seismic methods as well as electrical resistivity tomography (ERT) provide valuable results. An empirical approach created from shear wave velocity and electrical resistivity cross-plots was used to identify these soil types. Distinguishing soil types is required in site assessment studies for the evaluation of the subsurface heterogeneity. These heterogeneities are very important in engineering analysis to identify possibilities of finding cavities, clay pockets, and other geological problems that will be needed to consider in designing of possible structures. This research study starts with an introduction of the study area along with previous works on the statistical estimation technique, then briefly discusses the geophysical methods used for data acquisition, followed by the method of handling the data set. Afterward, it describes different methods for estimation of the statistical value of soil briefly discussed, and finally a conclusion for summarizing the results
 

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