The Structural Engineer > Archive > Volume 57 (1979) > Issues > Issue 6 > Correspondence on Natural Frequencies of Structures for Designers by A. Bolton
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Correspondence on Natural Frequencies of Structures for Designers by A. Bolton

I read with interest the paper 'Natural frequencies of structures for designers'. Professor Bolton has shown that, with his approximate method, the natural frequencies of multistorey frames can be obtained within 3.3% accuracy. I have solved a three-bay, twostorey frame (which was also solved by Armstrong) using the method proposed by Professor Bolton. The calculations for this frame are given below: N. Subramanian