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Predicting Failure Behavior of Reinforced Concrete Columns Subjected to Cyclic Loading
A procedure derived from truss model was established to predict rapidly the failure mode of a reinforced concrete column in the design stage. Failure mode of an RC column can be classified as either shear or flexural failure. In general, an RC column can be assumed to be a beam-column member subjected to combined axial, flexural, and shear forces. It is difficulty to predict its overall failure behavior without a priori knowledge. Thus in this paper, the shear capacity is isolated independently from the complex behavior of a column based on the concept of well known truss model. The shear capacity can be viewed as the contribution of diagonal truss of a truss model while the longitudinal truss modeled the combined axial-flexural behavior. The obtained shear capacity using the proposed method can be compared with flexural capacity obtained from pushover analysis to predict whether shear failure or flexural failure will occur during cyclic test of an RC column. Five cyclic test results were compared to the predicted analytical results. All five failure modes are successfully predicted using the proposed procedure.
Predicting Failure Behavior of Reinforced Concrete Columns Subjected to Cyclic Loading
A procedure derived from truss model was established to predict rapidly the failure mode of a reinforced concrete column in the design stage. Failure mode of an RC column can be classified as either shear or flexural failure. In general, an RC column can be assumed to be a beam-column member subjected to combined axial, flexural, and shear forces. It is difficulty to predict its overall failure behavior without a priori knowledge. Thus in this paper, the shear capacity is isolated independently from the complex behavior of a column based on the concept of well known truss model. The shear capacity can be viewed as the contribution of diagonal truss of a truss model while the longitudinal truss modeled the combined axial-flexural behavior. The obtained shear capacity using the proposed method can be compared with flexural capacity obtained from pushover analysis to predict whether shear failure or flexural failure will occur during cyclic test of an RC column. Five cyclic test results were compared to the predicted analytical results. All five failure modes are successfully predicted using the proposed procedure.
Predicting Failure Behavior of Reinforced Concrete Columns Subjected to Cyclic Loading
Applied Mechanics and Materials ; 145 ; 309-313
2011-12-08
5 pages
Article (Journal)
Electronic Resource
English
Predicting Failure Behavior of Reinforced Concrete Columns Subjected to Cyclic Loading
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