1. Faculty of Engineering, Civil Engineering Department, Universitas Katolik Parahyangan, Jl. Ciumbuleuit No. 94, Bandung City 40141, Indonesia
2. Engineering Division, P.T. Geotechnical Engineering Consultant, Jl. Lembah Sukaresmi 1 No 11, Bandung City 40162, Indonesia
3. Department of Civil and Environmental Engineering, Nazarbayev University, 53, Kabanbay Batyr Ave, Nur-Sultan 010000, Kazakhstan
4. Department of Civil Engineering, University of Indonesia, Depok City 16424, Indonesia