Open Access

Table 1

Gate evaluation system.

①Target layer ②Criterion layer ③Index layer: xi
Comprehensive evaluation of gate Safety x 1: Primary component σ/[σ]
x 2: Overload H /H
x 3: Ice thickness (cm)
x 4: Arm stability σ/[σ]
x 5: Deflection of main beam Δl/l
Applicability x 6: Vibration strength
x 7: Gas corrosion
x 8: Quality of parts
x 9: Sealing performance
Durability x 10:Operating years
x 11:Rusting condition
x 12:Maintenance

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