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This paper presents equations for calculating the natural lateral and rotational periods of vibration for high-rise steel structures with braced frames and outrigger trusses. The study models the structural behavior using a cantilever approach and evaluates the stiffness parameters to assess deflections and rotations under load. Results indicate that the proposed method yields conservative estimates that are within 4% of those obtained from finite element analyses, making it suitable for preliminary design

Author

Vu Tan Van

Language

EN