Table 6 AHP weights for bridge vulnerability assessment.

From: Fuzzy synthetic approach for seismic risk assessment of bridges with insights from the 2023 Kahramanmaras Earthquake in Turkiye

Hierarchy level

Description

Standard weight

Superstructure

Substructure

Level 6

Material type

0.55

0.50

Structural age

0.15

0.50

Traffic load capacity

0.30

0.0

Soil type

0.20

0.35

Water table level

0.25

0.25

Slope stability

0.55

0.40

Level 5

Structural deficiency

0.30

0.25

Ground deficiency

0.70

0.75

Level 4

Design method

0.25

0.35

Construction quality

0.45

0.45

Maintenance condition

0.30

0.20

Site topography

0.20

0.15

Geological condition

0.30

0.15

Foundation depth

0.50

0.70

Level 3

Structural failure

0.35

0.25

Foundation failure

0.65

0.75

Level 2

Hazard parameter

0.35

0.35

Vulnerability parameter

0.65

0.65

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