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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
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Builtup steel columns with battens at regular interval along their height are suffered from compound buckling and large shear deformations under axial loads. During seismic overloads, the local instability of components prevent column sections to develop their full plastic moment carrying capacities and to allow the sufficient rotations required for expected ductility demands. In the present study, the doublechannel battened members are subjected to constant axial compression and gradually increasing reversed cyclic lateral load. A specimen of doublechannel battened column designed as per code provisions failed due to lateral instability prior to reaching its full plastic moment carrying capacity. The degradation of flexural strength and stiffness started from the onset of local buckling of flanges and webs of column section.Two modified detailing of battens are studied. Based on both analytical and experimental investigations, it is concluded that the seismic performance of battened doublechannel beamcolumns can be improved by closer spacing of battens in the plastic hinge region and further improvements can be obtained by boxing the plastic hinge regions.
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