[1] Univ Kebangsaan Malaysia, Civil & Struct Engn Dept, Fac Engn & Built Environm, Bangi 43600, Selangor Darul, Malaysia
[2] Semnan Univ, Dept Water Engn & Hydraul Struct, Semnan, Iran
[3] Univ Malaya, Dept Civil Engn, Fac Engn, Jalan Univ, Kuala Lumpur 50603, Malaysia