Evaluation of subway station flood safety resilience based on H-OWA operator and projection pursuit

doi:10.16265/j.cnki.issn1003-3033.2023.04.0671

Abstract

Abstract:

In order to improve the reliability of subway operation system, based on the resilience theory, a flood safety resilience index system of subway station flood including 20 resilience indexes was proposed from three aspects: resistance ability, adaptability and recovery ability. The H-OWA operator was used to correct the subjective error of Analytic Hierarchy Process (AHP), and PPM was used to determine the comprehensive weight of the resilience index system. The evacuation simulation software Massmotion was used to obtain the emergency evacuation time of the subway station as the index data, and the flood safety resilience evaluation model of the subway station was established based on FCE. The model was applied to Zijingshan subway station in Zhengzhou. The results show that the safety resilience evaluation model can determine the flood safety resilience level of subway station by obtaining and processing the target subway station index data. The flood safety resilience level of Zijing Mountain subway station is a bit high resilience (Ⅳ), and the evaluation results are consistent with the actual situation of subway station. The defensive water level elevation index of the entrance and exit has the greatest impact on the flood safety resilience of the subway station.

Key words: H-OWA operator, projection pursuit model(PPM), subway station flood, safety resilience assessment, fuzzy comprehensive evaluation(FCE)

CHEN Na, GUO Haoran, ZHANG Zhipeng, ZHAO Jun. Evaluation of subway station flood safety resilience based on H-OWA operator and projection pursuit[J]. China Safety Science Journal, 2023, 33(4): 148-154.

Figures/Tables 9

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评价指标	单位	低韧性(Ⅰ)	较低韧性(Ⅱ)	中韧性(Ⅲ)	较高韧性(Ⅳ)	高韧性(Ⅴ)
C₁	个	[2,4)	[4,6)	[6,8)	[8,10)	[10,20]
C₂	m	(0,4.0)	[4.0,6.0)	[6.0,8.0)	[8.0,10.0)	[10.0,15.0]
C₃	cm	[30,60)	[60,90)	[90,120)	[120,150)	[150,180]
C₄	cm	[0,30)	[30,60)	[60,90)	[90,120)	[120,150]
C₅	cm	(0,10)	[10,15)	[15,20)	[20,25)	[25,40]
C₆	m	[50,60]	[40,50)	[30,40)	[20,30)	[10,20)
C₇	个	(0,4)	[4,6)	[6,8)	[8,10)	[10,12]
C₈	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₉	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₀	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₁	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₂	s	[360,600]	[300,360)	[240,300)	[180,240)	(0,180)
C₁₃	m	[300,500]	[250,300)	[200,250)	[150,200)	(0,150)
C₁₄	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₅	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₆	—	[0,60)	[60,70)	[70,80)	[80,90)	[90,100]
C₁₇	次/a	[0,3)	[3,6)	[6,9)	[9,12)	[12,24]
C₁₈	km	[5.0,10]	[4.0,5.0)	[3.0,4.0)	[2.0,3.0)	(0,2.0)
C₁₉	万元	[0,5)	[5,10)	[10,15)	[15,20)	[20,50]
C₂₀	a/次	[8,10]	[6,8)	[4,6)	[2,4)	(0,2)

安全韧性指标	低韧性	较低韧性	中韧性	较高韧性	高韧性
C₁	—	1	—	—	—
C₂	—	—	2	3	—
C₃	—	—	—	2	3
C₄	—	1	2	—	—
C₅	—	—	—	—	1
C₆	—	—	—	1	—
C₇	—	—	—	1	—
C₈	—	2	4	2	2
C₉	—	1	3	4	2
C₁₀	—	3	2	3	2
C₁₁	—	2	5	3	—
C₁₂	—	—	—	—	—
C₁₃	—	—	—	1	—
C₁₄	—	—	3	3	4
C₁₅	—	5	3	2	—
C₁₆	4	4	2	—	—
C₁₇	—	1	—	—	—
C₁₈	—	—	—	—	1
C₁₉	—	1	—	—	—
C₂₀	—	—	—	—	1