Research Article

Use of Time- and Frequency-Domain Approaches for Damage Detection in Civil Engineering Structures

Table 1

Description of the damage scenarios according to the cutting sections shown in Figure 2.

StateDamagePercentage cutting (100% equals all tendons in the defined section cut)
0.45 LOver the pylon

#0Undamaged state
#1Cutting straight lined tendons in the lower part, at 0.45 L (20 tendons)33.7%0%
#2#1 + cutting 8 straight lined tendons in the upper part, over the pylon33.7%12.6%
#3#2 + cutting external tendons (56 wires)46.1%24.2%
#4#3 + cutting 16 straight lined tendons in the upper part and 8 parabolic tendons46.1%62.12%