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Advances in Civil Engineering
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2020
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Article
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Fig 5
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Research Article
Stiffness and Crack Behavior of Unbonded Posttensioned Concrete Beam Strengthened with Aluminum Alloy Plate
Figure 5
Load-deflection curves: (a) SL1; (b) SL2; (c) SL3; (d) SS1; (e) SS2; (f) SS3.
(a)
(b)
(c)
(d)
(e)
(f)