Abstract
This paper describes a rapid response and risk mitigation system Istanbul Natural Gas Distribution Network Seismic Risk Reduction Project (IGRAS) for the Istanbul Natural Gas Network (IGDAŞ). Upon the trigger signal received from the earthquake early warning system in Istanbul, the real-time algorithm at IGRAS system district regulators checks the threshold levels of ground-motion parameters and interrupts the gas flow if any exceedance is detected. Then the system: (1) produces almost real-time earthquake hazard maps by using on-line strong-motion data from the strong-motion network in Istanbul: (2) estimates the distribution of damage to the natural gas network; and (3) transfers these damage distribution maps to stakeholders to enable dispatching rapid response teams to high damage areas.
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Acknowledgments
The authors are thankful to EC-FP7 REAKT project “Strategies and tools for Real Time EArthquake RisK ReducTion” team and especially WP7 “Strategic Applications and Capacity Building” group for their valuable contribution to the IGRAS (Earthquake Risk Mitigation) project. The authors would like to express their gratitude to the IGDAS (Istanbul Natural Gas Distribution) Company for their collaboration during the project. The contribution from IMM (Istanbul Metropolitan Municipality) is also acknowledged. The authors are also thankful to the researchers who worked on the development of ELER (Earthquake Loss Estimation Routine) code. The effort of the Bogazici University, Kandilli Observatory Earthquake Research Institute personnel in installing, running and maintaining Istanbul Earthquake Rapid Response System are also greatly acknowledged. We are thankful to Matteo Picozzi and an anonymous reviewer for their useful suggestions to improve the presentation of our work.
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Zulfikar, C., Erdik, M., Safak, E. et al. Istanbul natural gas network rapid response and risk mitigation system. Bull Earthquake Eng 14, 2565–2578 (2016). https://doi.org/10.1007/s10518-016-9964-x
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DOI: https://doi.org/10.1007/s10518-016-9964-x