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Seismic Vulnerability Assessment Methods: A Review
Seismic vulnerability is defined as the tendency of the structure to undergo structural or non-structural damage in case of any seismic event. In such cases, the buildings lose its ability to bear the sudden effects of seismic forces. In risk analysis of a building, the vulnerability assessment of a structure plays a vital role. Over the years various methods have evolved for assessing the seismic vulnerability of a structure. The assessment procedures may be empirical, semi empirical or analytical. The assessment output may be quantitative or qualitative in nature. Seismic vulnerability based on empirical method are evaluated with the help of post-earthquake damage data collected over the years and thereafter the structures are compared with the structural details and typology prior to seismic event. The damage data and statistics are recorded year after year around the globe after every seismic event. On the other hand, in analytical method, the seismic vulnerability can be assessed through deriving numerical model and also performing various types of static and dynamic analyses, mainly the nonlinear analyses. However, some of the said, methods are time consuming and computationally intensive, hence there are various alternative vulnerability assessment strategies proposed by various researchers, which are briefly described in this article. Also, the prerequisite of a suitable seismic vulnerability assessment procedure is discussed.
Seismic Vulnerability Assessment Methods: A Review
Seismic vulnerability is defined as the tendency of the structure to undergo structural or non-structural damage in case of any seismic event. In such cases, the buildings lose its ability to bear the sudden effects of seismic forces. In risk analysis of a building, the vulnerability assessment of a structure plays a vital role. Over the years various methods have evolved for assessing the seismic vulnerability of a structure. The assessment procedures may be empirical, semi empirical or analytical. The assessment output may be quantitative or qualitative in nature. Seismic vulnerability based on empirical method are evaluated with the help of post-earthquake damage data collected over the years and thereafter the structures are compared with the structural details and typology prior to seismic event. The damage data and statistics are recorded year after year around the globe after every seismic event. On the other hand, in analytical method, the seismic vulnerability can be assessed through deriving numerical model and also performing various types of static and dynamic analyses, mainly the nonlinear analyses. However, some of the said, methods are time consuming and computationally intensive, hence there are various alternative vulnerability assessment strategies proposed by various researchers, which are briefly described in this article. Also, the prerequisite of a suitable seismic vulnerability assessment procedure is discussed.
Seismic Vulnerability Assessment Methods: A Review
Structural Integrity
Fonseca de Oliveira Correia, José António (editor) / Choudhury, Satyabrata (editor) / Dutta, Subhrajit (editor) / Roy, N. Sarma (author) / Choudhury, Satyabrata (author)
International Conference on Advances in Structural Mechanics and Applications ; 2021 ; Silchar, India
Advances in Structural Mechanics and Applications ; Chapter: 22 ; 282-300
Structural Integrity ; 27
2022-06-03
19 pages
Article/Chapter (Book)
Electronic Resource
English
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