January 24, 2020 Sivrice-Elazığ (Türkiye) Earthquake: The Seismic Assessment of the Earthquake Territory, Geotechnical Findings and Performance of Masonry Buildings

IF 1.7 4区工程技术 Q3 ENGINEERING, CIVIL Iranian Journal of Science and Technology, Transactions of Civil Engineering Pub Date : 2023-12-18 DOI:10.1007/s40996-023-01318-0

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Abstract

On January 24, 2020, an 6.8 magnitude (M_w) earthquake struck the Sivrice district of Elazığ province in south-eastern Türkiye. The earthquake, which occurred in the East Anatolian Fault Zone (EAFZ), affected many structures. In particular, most of the masonry buildings close to the epicenter were severely damaged or destroyed and the earthquake resulted in 41 fatalities. This paper aims to provide information on the tectonic characteristics of the EAFZ, the seismic characteristics of the earthquake territory and the general characteristics of the main shock. Another purpose of this paper is to reveal the damage caused by the earthquake to the masonry buildings in rural areas through post-earthquake field observations. As a result of the field observations, the types of damage seen in masonry structures are poor workmanship and binder damages, in/out of the plane mechanism, damages due to the absence of lintels or insufficient lintel length, weak load‑bearing walls damage, corner damages and multi-leaf walls damages. The most important reason for the damage to the structures is the lack of engineering services and not being constructed in accordance with earthquake codes. In addition, considering the damage to the masonry buildings as a result of the field studies, some retrofitting methods are presented for strengthening existing masonry buildings with low seismic performance against future earthquakes.

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2020 年 1 月 24 日锡弗里斯-埃拉泽（土耳其）地震：地震地区的地震评估、岩土工程研究结果和砌体建筑的性能

摘要 2020 年 1 月 24 日，图尔基耶东南部埃拉泽省西夫里策地区发生 6.8 级地震。地震发生在东安纳托利亚断裂带（EAFZ）上，对许多建筑造成了影响。尤其是震中附近的大部分砖石结构建筑遭到严重破坏或摧毁，地震造成 41 人死亡。本文旨在提供有关 EAFZ 构造特征、震区地震特征和主震一般特征的信息。本文的另一个目的是通过震后实地观测，揭示地震对农村地区砌体建筑造成的破坏。实地观测的结果显示，砌体结构的破坏类型主要有：做工粗糙和粘结剂破坏、平面内外机理、无楣或楣长度不足造成的破坏、弱承重墙破坏、转角破坏和多叶墙破坏。造成结构损坏的最重要原因是缺乏工程服务和没有按照抗震规范施工。此外，考虑到实地研究对砌体建筑造成的破坏，还提出了一些改造方法，用于加固抗震性能较低的现有砌体建筑，以应对未来的地震。

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来源期刊

Iranian Journal of Science and Technology, Transactions of Civil Engineering ENGINEERING, CIVIL-

CiteScore

3.30

自引率

11.80%

发文量

203

期刊介绍： The aim of the Iranian Journal of Science and Technology is to foster the growth of scientific research among Iranian engineers and scientists and to provide a medium by means of which the fruits of these researches may be brought to the attention of the world’s civil Engineering communities. This transaction focuses on all aspects of Civil Engineering and will accept the original research contributions (previously unpublished) from all areas of established engineering disciplines. The papers may be theoretical, experimental or both. The journal publishes original papers within the broad field of civil engineering which include, but are not limited to, the following: -Structural engineering- Earthquake engineering- Concrete engineering- Construction management- Steel structures- Engineering mechanics- Water resources engineering- Hydraulic engineering- Hydraulic structures- Environmental engineering- Soil mechanics- Foundation engineering- Geotechnical engineering- Transportation engineering- Surveying and geomatics.