%0 Conference Proceedings %T Damage Detection in Reinforced Concrete Beams Based on the Ritz Vectors %A Baghiee, Neda %A -Moslem, -Kazem %A Esfahani, Mohammad Reza %A Rezaee Pazhand, Jalil %J پنجمین کنگره ملی مهندسی عمران %D 2010