D-A-CH TAGUNG 2011 - SGEB

Table 3: First five global modes identified from the first test campaignnat. frequencydamping ratiof 1 = 3.60 Hzζ 1 = 0.71 %descriptionfirst lateral bending mode of span 1imageYZXf 2 = 4.16 Hzζ 2 = 2.15 %first lateral bending mode of span 2YZXf 3 = 5.26 Hzζ 3 = 1.26 %first vertical bending mode of span1ZYXf 4 = 5.84 Hzζ 4 = 2.87 %first vertical bending mode of span2ZYXf 5 = 7.91 Hzζ 5 = 3.41 %first torsional mode of span 1ZYX7303