Authors: Karim Mohamed Eldash (a), Ahmed Abdel Moamen Khalil (b), Lobna Hane Mostafa (c)
Organization: (a) Prof., Dr. of Structural Engineering, Faculty of Engineering at Shoubra, Benha University, Cairo, Egypt;
(b) Associate prof., Dr. of Railway Engineering, Faculty of Engineering at Shoubra, BenhaUniversity, Cairo, Egypt;
(c) Railway Engineer at Egyptian Company for Cairo Metro
