Abstract

A crack localization method for beam-column structures is proposed considering axial load effects. Application of the method on a simply supported beam and a cantilever with simply supported beam-column demonstrated that the locations of single and multiple damage scenarios can be well determined in low axial loads. However, in the vicinity of the critical load, healthy and damaged static data are uncommon. Moreover, with increase in the axial load, the locations of single and multiple damage scenarios cannot be precisely specified. A more sensitive damage indicator is subsequently proposed to demonstrate the effects of axial forces comparable to critical loads.

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