African Railway Center of Excellence(ARCE) Addis Ababa Institute of Technology(AAiT) Addis Ababa University(AAU) Addis Ababa EthiopiaSchool of Civil and Water Resource Engineering Woldia University Institute of Technology Woldia Ethiopia;
School of Civil and Environmental Engineering Addis Ababa Institute of Technology(AAiT) Addis Ababa University(AAU) Addis Ababa Ethiopia;
African Railway Center of Excellence(ARCE) Addis Ababa Institute of Technology(AAiT) Addis Ababa University(AAU) Addis Ababa EthiopiaDepartment of Structural and Geotechnical Engineering Széchenyi István University Egyetem tér 1 Gyor Hungary 9026;