Article

Limitations of available Indian hot-rolled I sections for use in seismic steel moment resisting frames

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Abstract

Steel hot rolled I-sections have been in use in construction since long in India. With advancement of technology to build moment resisting frames (MRFs) to resist seismic actions, a review of the existing available sections is required to assess their applicability. This paper reiterates the important aspects of the seismic design philosophy and investigates the available sections in light of the same. The sectional properties (strength and stability) are studied in light of the different code requirements for desired performance under strong seismic conditions. Indian hot-rolled I sections (tapered and parallel flanges) are found inadequate for use in tall structures in high seismic regions.

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