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According to the Specification for structural steel buildings (AISC-LRFD 360-10), the nominal flexural capacity of I-beam sections having compact webs and noncompact or slender flanges can be estimated as the lower value obtained for the limit states of lateral-torsional buckling (LTB) and compression flange local buckling (FLB). The main assumption behind the approach is that there is no interaction...
The free vibration analysis of beam structures with compact and bridge-like sections is presented in this paper. Refined beam models are used. Their derivation is embedded in the Carrera Unified Formulation (CUF) framework, which allows us to obtain any-order theories with no need for ‘ad hoc’ formulations. Up to fifth-order models are used; classical (Euler–Bernoulli and Timoshenko) beam theories...
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