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Adaptability of Indian Standard Sections as Deep Wide Flange Steel Columns in Special Moment Frames


Riya Joy , Dept. of Civil Engineering, Thejus Engineering College, Vellarakkad, Kerala


Deep Wide Flange Steel Column, Hysteretic Curve, ANSYS, Cyclic Deterioration, SMF-Special Moment Frame


Steel hot rolled I-sections have been in use in different constructions since long in India. Deep wide flange steel columns which having column depth, d >16 inches are typically used in steel moment-resisting frames (MRFs) mostly present in North America. Some Indian sections are selected according to their section details and make subjected to cyclic lateral loading combined with different compressive axial load ratios which actually representing the loading conditions of interior steel columns in SMFs. Selection of Indian sections can be made by considering their section properties. Sections having lower web and flange slenderness ratios experience rapid cyclic deterioration in flexural strength under high axial load ratios. Hysteresis curve is used to quantify the cyclic hardening and the cyclic deterioration in flexural strength of a steel beam-column once local buckling occurs. Column plastic flexural strength, Mp should be noted. As by this result and also by the lower section values the Indian hot-rolled I-sections (tapered and parallel flanges) are found inadequate for use in tall structures in high seismic regions. And also parallel flanged column sections are much better than tapered sections. We need to develop more advanced sections for the high range response of columns in special moment frames.

Other Details

Paper ID: IJSRDV6I60030
Published in: Volume : 6, Issue : 6
Publication Date: 01/09/2018
Page(s): 24-28

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