Table 6 Triangular fuzzy number shape evaluation matrix for secondary indicators corresponding to the box girder evaluation criteria.

From: Research on safety condition assessment methodology for single tower steel box girder suspension bridges over the sea based on improved AHP-fuzzy comprehensive evaluation

 

Main girder deflection

Main girder stress

Main girder lateral displacement

Main girder longitudinal displacement

Vibration frequency

Main girder deflection

[1,1,1]

[1,2,3]

[1,1,1]

[1,2,3]

[1/3,1/2,1]

Main girder stress

[1/3,1/2,1]

[1,1,1]

[1/3,1/2,1]

[1,1,1]

[1/3,1/2,1]

Main girder lateral Displacement

[1,1,1]

[1,2,3]

[1,1,1]

[1,2,3]

[1/4,1/3,1/2]

Main girder longitudinal Displacement

[1/3,1/2,1]

[1,1,1]

[1/3,1/2,1]

[1,1,1]

[1/3,1/2,1]

Vibration frequency

[1,2,3]

[1,2,3]

[2,3,4]

[1,2,3]

[1,1,1]

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