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Life Cycle Vulnerability Assessment of Masonry Infilled Steel Frame Structures

Nassirpour, A; D'Ayala, D; (2017) Life Cycle Vulnerability Assessment of Masonry Infilled Steel Frame Structures. In: Proceedings of the 16th World Conference on Earthquake Engineering. Earthquake Engineering Research Institute: Santiago Chile. Green open access

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Abstract

In this study, the anticipated cost throughout a structure’s operational period has been estimated, following a life cycle model. A scenario has been defined in order to assess the structural performance of a mid-rise infilled steel frame over its expected lifetime. Since the characteristics of the index building play a critical role in estimating the losses, the one selected is designed and modelled based on common existing residential buildings. The life cycle cost of the index building has been estimated by considering progressive deterioration due to aging of the structure (e.g. corrosion, fatigue) and also cumulative damage caused by extreme sudden events (e.g. earthquake, hurricane, flood, blast, etc.). The adapted model is capable of considering the initial construction cost along with the cost of damage and failure consequences including death and injuries, as well as discounting cost over time. The performance of the index building at different life stages has been assessed by implementing incremental dynamic analysis (IDA). Using the obtained results, the exceedance probabilities required for the cost analysis are calculated by means of fragility curves for multiple damage limit states. Furthermore, the limit states’ exceedance frequencies are obtained by convolving fragilities with site a specific hazard curve. Having a good understanding of the structural behavior and its expected cost forecast can be beneficial as a decision making tool for planning and allocating financial resources in case of both pre- and post- disaster.

Type: Proceedings paper
Title: Life Cycle Vulnerability Assessment of Masonry Infilled Steel Frame Structures
Event: 16th World Conference on Earthquake Engineering
Location: Santiago, CHILE
Dates: 09 January 2017 - 13 January 2017
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.eeri.org/event/16wcee-world-conference...
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Life Cycle Cost; Masonry Infilled Steel Frame; Incremental Dynamic Analysis (IDA); Fragility Curve; Vulnerability
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1551351
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