Integrated evaluation methods of seismic resilience of urban group buildings

doi:10.16265/j.cnki.issn1003-3033.2025.04.1116

Abstract

Abstract:

To evaluate the seismic resilience of urban group buildings under different demands, an integrated assessment methodology was developed for urban building clusters' earthquake resistance. A tree-augmented naive Bayesian method was employed to construct a BN model that rapidly predicted structural damage states under various target earthquakes through multi-parameter analysis including building types, construction eras, and structural configurations. Multiple resilience evaluation theories and methods-comprising the resilience index method, resilience element rating method, risk-resilience analysis method, and group buildings resilience indicator evaluation method-were integrated to comprehensively assess the seismic resilience of group buildings in a specific street of Fengtai District, Beijing. Comparative analyses were conducted to examine the advantages, limitations, and applicability of these approaches. The results indicate that the resilience index method proves suitable for rapid assessment of building recovery capacity, while the resilience element rating method facilitates intuitive visualization of structural resilience levels. The risk-resilience analysis method demonstrates superior capability in handling disaster uncertainties and stochastic characteristics, whereas the group buildings resilience indicator evaluation method emphasizes the critical influence of functional requirements on comprehensive assessments.

Key words: urban group buildings, seismic resilience, integrated evaluation, damage states, Bayesian network (BN)

CLC Number:

X915.5

WANG Wei, GONG Yuzhuo, ZHU Junyi, XIA Chenhong, GUO Xiaodong. Integrated evaluation methods of seismic resilience of urban group buildings[J]. China Safety Science Journal, 2025, 35(4): 219-226.

Figures/Tables 15

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指标	序号	分类描述
场地类型	1	I类
	2	II类
	3	III类
	4	IV类
结构类型	1	钢混结构
	2	混合结构
	3	砖木结构
	4	其他结构
结构层数	1	[1,2]主要指老旧房屋
	2	[3,6]
	3	[7,8]
	4	[9,10]
	5	(10,∞)
建造年代 /年份	1	(0,1970)
	2	[1970,1979]
	3	[1980,1989]
	4	[1990,1999]
	5	[2000,2025]
建筑类型	1	医疗卫生、教育、行政办公建筑
	2	城镇住宅、文化娱乐建筑
	3	环境卫生、餐饮服务建筑
	4	体育、园林等其他建筑

破坏等级	基本完好	轻微破坏	中等破坏	严重破坏	倒塌
小震	90.52	9.47	0.01	—	—
中震	29.09	45.51	25.39	0.01	—
大震	5.98	29.43	44.22	20.34	0.03

目标地震	一星	二星	三星
小震	9	25	66
中震	24	43	31
大震	51	22	13

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