Study on the Nonlinear Behavior of Strengthened RC Frames using Steel Prop and Crub in Connections and Strengthening of Beam and Column
Author(s):
Abstract:
One of useful methods for strengthening for reinforced concrete frames, is to use steel prop and crub in connections, alone or combined with beam's revival steel sheets and column jacketing with steel sheets or profiles. In this paper, after modeling and verifying application of model, behavior of RC frames, strengthened with this method was studied. For this purpose, a RC frame has been strengthened in 4 general ways (crub and prop, crub and prop with revival sheet among two beams crub, crub with column jacketing in the bottom of columns crub region, combination of three mentioned moods) with three different props sectional area. Results showed that using crub and prop increases stiffness and strength of frame, significantly. If crub and prop are used with column jacketing for strengthening RC frames, frames strength increase up to 3.3 times of ordinary frame. Adding beam revival sheet to crub and prop, causes sooner yielding and bulking in compressive prop.
Keywords:
Language:
Persian
Published:
Journal of Modeling in Engineering, Volume:14 Issue: 46, 2016
Page:
25
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