Environment, Vol. 3, Issue 2, Sep  2019, Pages 11-26; DOI: 10.31058/j.envi.2019.32002 10.31058/j.envi.2019.32002

Using Microtremors to Delineate Subsurface Structures in Port Said, North Eastern Egypt

, Vol. 3, Issue 2, Sep  2019, Pages 11-26.

DOI: 10.31058/j.envi.2019.32002

Mohamed A. Gamal 1 , Mohamed H. Khalil 1 , George Maher 1*

1 Geophysics Department, Faculty of Science, Cairo University, Giza, Egypt

Received: 1 August 2019; Accepted: 15 September 2019; Published: 30 September 2019

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Port Said power plant is one of the tangible development cornerstones of the Port Said city, Egypt. It produces electricity using turbines and two glasses reinforced plastic pipes (GRPs) for the intake and discharge of water. These pipes (2.3 m diameter) are buried in soft clayey soil at depths of 0.4 m and 4.5 m. In the study area, microtremors were used to delineate the accurate locations of GPR pipes recognized by its resonance frequency. Microtremor is usually used in the field of seismology to detect soil effect (e.g. soil amplification), however in this study it is used to separate subsurface structures. In this context, seven profiles with 70 stations were conducted. In each station, three components (one vertical and two horizontal) where recorded with a 30 second for every file. The processed data revealed 2.5 Hz peak which believed to be the natural vibration frequency of the soft soil. Whereas, 4 Hz and 6.5 Hz reflected the shallow and deep GRP pipes, respectively. 


Microtremors, GRP Pipes, Soil Amplification, Vibration Frequency, Port Said Area


© 2017 by the authors. Licensee International Technology and Science Press Limited. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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