Research Article
Experimental Study on Cumulative Damage Behavior of Steel-Reinforced Concrete Columns
Figure 5
Relation curves of average secant stiffness-displacement angle (Km − θ) of specimens. Effect of (a) cyclic loading number on Km, (b) steel ratio on Km, (c) stirrup ratio on Km, and (d) axial compression ratio on Km.
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| (b) |
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