Fig. 26

Damage detection in the Z24 Bridge based on the proposed GMM method by using different initial points: (a) \(\:{\widehat{\varvec{\mu\:}}}_{0}={\left[4.02,\:5.04,\:\text{10.37,11.38}\right]}^{T}\) and (b) \(\:{\widehat{\varvec{\mu\:}}}_{0}={\left[3.91,\:5.18,\:\text{9.73,10.51}\right]}^{T}\).