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Seismic vulnerability assessment of urban buildings using the rough set theory and weighted linear combination

Journal of Mountain Science 2022年第3期19卷 849-861页

作者： Yasaman ASADI najmeh neysani samany Majid KIAVARZ MOQADAM Ata ABDOLLAHI KAKROODI Meysam ARGANY Department of Remote Sensing and GIS Faculty of GeographyUniversity TehranTehran 33137-67464Iran

Seismic vulnerability assessment of urban buildings is among the most crucial procedures to post-disaster response and recovery of infrastructure *** present study proceeds to estimate the seismic vulnerability of urban buildings and proposes a new framework training on the two ***,a comprehensive interpretation of the effective parameters of this phenomenon including physical and human factors is ***,the Rough Set theory is used to reduce the integration uncertainties,as there are numerous quantitative and qualitative *** objectives were conducted on seven distinct earthquake scenarios with different intensities based on distance from the fault line and the *** proposed method was implemented by measuring seismic vulnerability for the seven specified seismic *** final results indicated that among the entire studied buildings,71.5%were highly vulnerable as concerning the highest earthquake scenario(intensity=7 MM and acceleration calculated based on the epicenter),while in the lowest earthquake scenario(intensity=5 MM),the percentage of vulnerable buildings decreased to approximately 57%.Also,the findings proved that the distance from the fault line rather than the earthquake center(epicenter)has a significant effect on the seismic vulnerability of urban *** model was evaluated by comparing the results with the weighted linear combination(WLC)*** accuracy of the proposed model was substantiated according to evaluation *** assessment based on the distance from the epicenter and its comparison with the distance from the fault shows significant reliable results.

关键词： Seismic vulnerability Urban buildings Rough set theory Earthquake scenarios WLC

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Seismic vulnerability assessment of urban buildings and traffic networks using fuzzy ordered weighted average

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Journal of Mountain Science 2019年第3期16卷 677-688页

作者： Yasaman ASADI najmeh neysani samany Keyvan EZIMAND Department of Remote Sensing and GIS Faculty of GeographyUniversity of Tehran Remote Sensing and GIS Center Faculty of Earth ScienceUniversity of Shahid Beheshti

Urban buildings and urban traffic network are considered as the vital arteries of cities which have particular effects especially after the crisis in the search and rescue operations. The aim of this study is to determine the vulnerability of urban areas especially, buildings and traffic networks using multicriteria geographic information systems and decisionmaking methods. As there are many effective criteria on the seismic vulnerability that they have uncertain and vague properties, the method of this paper is applying fuzzy ordered weighted average(OWA) to model the seismic vulnerability of urban buildings and traffic networks in the most optimistic and pessimistic states. The study area is district 6 of Tehran that is affected by the four major faults, and thus will be threatened by the earthquakes. The achieved results illustrated the vulnerability with different degrees of risk levels including very high, high, medium, low and very low. The results show that in the most optimistic case 14% and in the pessimistic case 1% of buildings tolerate in very low vulnerability. The vulnerability of urban street network also indicates that in the optimistic case 12% and in the pessimistic case at most 9% of the area are in appropriate condition and the North and NorthEast of the study area are more vulnerable than South of it.

关键词： Earthquake Vulnerability Assessment Urban buildings Traffic network Multi-Criteria Decision Analysis(MCDA) Fuzzy-OWA

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