1. Civil Engineering Department, Benha Faculty of Engineering, Benha University, Benha 13512, Egypt
2. National Water Research Center, El-Qanater El-Khayreya 13621, Egypt
3. Civil Engineering Department, Higher Institute of Engineering, El Shourok Academy, Cairo 11837, Egypt
4. Civil Engineering Department, Shoubra Faculty of Engineering, Benha University, Shoubra 11629, Egypt