[Xie, Qiang] Cent South Univ, Sch Civil Engn, Changsha 410075, Hunan, Peoples R China.
[Xie, Qiang] Hunan City Univ, Yiyang 413000, Hunan, Peoples R China.
[Sinaei, Hamid] Islamic Azad Univ, Dept Civil Engn, Sirjan Branch, Sirjan, Iran.
[Shariati, Mahdi] Univ Tabriz, Fac Civil Engn, Tabriz, Iran.
[Khorami, Majid] Univ UTE, Fac Arquitectura & Urbanismo, Calle Rumipamba S-N & Bourgeois, Quito, Ecuador.