فهرس المقالات Alireza Hajiani Boushehrian المقاله 1 - Studying the Effect of Horizontal Drains on Stability of Heterogeneous and Homogeneous Earth Dams during Rapid Drawdown Condition Alireza Hajiani Boushehrian Azadeh Rezaee Arash Vafamand Journal of Structural Engineering and Geotechnics , العدد 1 , السنة 7 , بهار 2017