Framework for a city’s performance assessment in the case of an earthquake

Koren, David (avtor), Rus, Katarina (avtor)

A comprehensive assessment of a city’s vulnerability and resilience is a prerequisite for an effective response to a natural disaster, such as an earthquake. However, an appropriate method for assessing the seismic performance of a complex urban system is still being researched. To address this gap, the purpose of this paper is to introduce a method for seismic performance assessment of a city as a socio-physical system. Therefore, various studies of individual urban components and their interactions were combined into a holistic framework and presented in a case study of a small mid-European town. The seismic vulnerability of the building inventory was assumed or assessed based on the fragility curves adopted from the literature on similar European building stock. Seismic scenarios of different earthquake intensity (PGA of 0.15 g and 0.30 g) combined with conservative and risky approaches were applied. Considering the human perspective, urban performance was evaluated on the basis of accessibility to urban services that satisfy basic human needs (for survival and protection) via graph theory measures of global efficiency and the shortest path. The temporal aspect (before the earthquake, immediately after it, after evacuation, and after recovery) was also included to obtain a comprehensive resilience assessment. It turned out that a stronger earthquake (PGA of 0.30 g) would have far-reaching consequences for the urban performance of the investigated town, and the old city center would be particularly affected. Following the event, the system’s performance is less than half as effective compared to the initial level, indicating a sharp deterioration in the quality of life as reflected in the possibility of meeting basic human needs.

• Jezik: Angleški jezik
• Ključne besede: earthquakes, urban systems, urban performance, accessibility, resilience, human needs
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FA - Fakulteta za arhitekturo
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2023
• Št. strani: 21 str.
• Številčenje: Vol. 13, iss. 7, 1795
• PID: 20.500.12556/RUL-167025
• UDK: 699.8
• ISSN pri članku: 2075-5309
• DOI: 10.3390/buildings13071795
• COBISS.SI-ID: 158977027
• Datum objave v RUL: 04.02.2025

Gradivo je del revije

• Naslov: Buildings
• Skrajšan naslov: Buildings
• Založnik: Molecular Diversity Preservation International
• ISSN: 2075-5309
• COBISS.SI-ID: 1024478292

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: potresi, urbani sistemi, delovanje mesta, dostopnost, odpornost, človekove potrebe

Projekti

• Financer: ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
• Številka projekta: P5-0068
• Naslov: Trajnostno oblikovanje kvalitetnega bivalnega okolja