A REVIEW OF RISK AND VULNERABILITY OF NATIONAL BROADBAND SEISMIC NETWORK OF IRAN

سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 151

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شناسه ملی سند علمی:

SEE08_398

تاریخ نمایه سازی: 23 آبان 1399

چکیده مقاله:

The importance of seismic stations in all earthquake prone countries in terms of collecting seismic data and processing obtained information is clear. The processed data of those systems will be used normally in different fields from fundamental researches to disaster management. However, gathering accurate, reliable and in time data from seismic stations depends on several parameters (including site selection, vulnerabilities of stations and its instruments as well as the level of maintenance and support over time). In this paper, the risk and vulnerability of Iran seismic broad band network belongs to International Institute of Earthquake Engineering and Seismology (IIEES) will be addressed. The location of those stations have been chosen based on different parameters including geographic distribution, geological and topographical conditions, access roads, noise level, possibility of data transfer by telecommunication network, land ownership, etc. However, the first item that should be addressed is the vulnerability of buildings and infrastructures. In fact, if the buildings of stations collapse during a strong earthquake, the instruments can be damaged and no data will be transferred. During the last two decades, the stations were built like a typical dome constructed above the ground surface. Although the building itself can be considered as a safe structure to earthquake, there is the risk of partial damages in some of them. In addition, in those stations, many different types of equipment are accommodated that are linked to electricity network that can be failed by earthquakes. Therefore, the buildings and its components as well as the instruments inside the buildings always need a lot of maintenance. This resulted in huge amount of annual budget to be allocated to keep those stations operational. Since 2013, a new design pattern was developed by IIEES (Figure 1).

کلیدواژه ها:

Vulnerability ، Social ، Economic and cultural studies ، National Broadband Seismic Network

نویسندگان

Alireza GHAFOURI ZARANDI

Expert, Earthquake Risk Management Research Center, IIEES, Tehran, Iran

Kambod AMINI HOSSINI

Associate Professor, Earthquake Risk Management Research Center, IIEES, Tehran, Iran