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Analytical Study on the fatigue Behavior of Reinforced Concrete Bridge Piers under Earthquake
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 Title & Authors
Analytical Study on the fatigue Behavior of Reinforced Concrete Bridge Piers under Earthquake
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 Abstract
This paper presents an analytical prediction of the fatigue behavior of reinforced concrete bridge piers under earthquake. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. The smeared crack approach is incorporated. In boundary plane at which each member with different thickness is connected, local discontinuous deformation due to the abrupt change in their stiffness can be taken into account by introducing interface element. The effect of number of load reversals with the same displacement amplitude has been also taken into account to model the reinforcing steel. The proposed numerical method for fatigue behavior of reinforced concrete bridge piers under earthquake will be verified by comparison with reliable experimental results.
 Keywords
fatigue behavior;reinforced concrete bridge piers;smeared crack interface element;toad reversals;
 Language
Korean
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