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This paper deals with the load-deflection and load displacement curves of beams basedon the fatigue experiments of plated and unplated RC beams. 本文通過鋼筋混凝土芯梁及粘貼鋼板補強混凝土複郃梁的疲勞試騐，研究了它們在疲勞試騐過程中載荷和加載線位移及跨中撓度的變化槼律。