A case study for determination of seismic risk priorities in Van (Eastern Turkey)

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-04-01 DOI:10.12989/EAS.2021.20.4.445

A. Büyüksaraç, Ercan Işık, Ehsan Harirchian

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引用次数: 13

Abstract

Lake Van Basin, located in Eastern Turkey, is worth examining in terms of seismicity due to large-scale losses of property and life during the historical and instrumental period. The most important and largest province in this basin is Van. Recent indicators of the high seismicity risk in the province are damage occurring after devastating earthquakes in 2011 (Mw=7.2 and Mw=5.6) and lastly in 2020 Khoy (Mw=5.9). The seismic hazard analysis for Van and its districts in Eastern Turkey was performed in probabilistic manner. Analyses were made for thirteen different districts in Van. In this study, information is given about the tectonic setting and seismicity of Van. The probabilistic seismic hazard curves were obtained for a probability of exceedance of 2%, 10% and 50% in 50-year periods. The PGA values in the Van province vary from 0.24 g – 0.43 g for earthquakes with repetition period of 475 years. Risk priorities were determined for all districts. The highest risk was calculated for Caldiran and the lowest risk was found for Gurpinar. Risk priorities for buildings in all districts were also determined via rapid seismic assessment for reinforced-concrete and masonry buildings in this study.

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确定Van(土耳其东部)地震风险优先级的案例研究

凡湖盆地位于土耳其东部，由于在历史和仪器时期大规模的财产和生命损失，在地震活动性方面值得研究。这个盆地中最重要和最大的省份是凡省。该省高地震活动风险的最新指标是2011年毁灭性地震(Mw=7.2和Mw=5.6)和2020年Khoy地震(Mw=5.9)后发生的破坏。采用概率方法对土耳其东部凡市及其地区进行了地震危险性分析。对Van的13个不同地区进行了分析。本文介绍了Van的构造背景和地震活动性。以50年为周期，得到了概率超过2%、10%和50%的概率地震危险性曲线。凡省地震的PGA值在0.24 ~ 0.43 g之间，重复周期为475年。确定了所有地区的风险优先次序。Caldiran的风险最高，Gurpinar的风险最低。本研究还通过对钢筋混凝土和砖石建筑的快速地震评估确定了所有地区建筑物的风险优先级。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.