Investigating the potential of liquefaction issue of some Turkish dams during earthquakes

Q1 Engineering

Periodicals of Engineering and Natural Sciences Pub Date : 2022-12-31 DOI:10.21533/pen.v10i6.3375

L. Mahmood, S. Naimi

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引用次数: 0

Abstract

This research is carried out to investigate and assess the critical role of soil properties and their content in influencing the soil liquefaction phenomenon that takes place when an earthquake happens. A case study is considered in this work, representing the Karakaya Dam. Two research approaches were implemented to achieve the research goal, including extrapolation in Excel and numerical optimization using linear regression. The outputs revealed that the annual temperature in the future of zones around the Karakaya Dam, including Azami, Ortalama, and Asgari, would witness a moderate increase of about 3 to 6 degrees Celsius in the next decade. Moreover, the research confirmed that the Euphrates River discharge rate at the Karakaya Dam would witness a significant increase from (100-350 m 3 ) to (2,590-2,640 m 3 ) in 2029, explaining that temperature and discharge rate may influence the liquefaction. Meanwhile, the research outputs indicated that soil temperature under the Karakaya Dam and chemical elements would not vary significantly in the next decade. Notwithstanding, the pH number will change widely from 4.14 to 9.74 in 2029. Besides, the most significant chemical molecule concentration in the soil under the Karakaya Dam is the phosphite anion, corresponding to a minimum and maximum concentration of 1 and 2 μg/m 2 , respectively.

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调查土耳其一些大坝在地震期间液化问题的可能性

本研究旨在调查和评估土壤性质及其含量在影响地震发生时发生的土壤液化现象中的关键作用。这项工作考虑了一个案例研究，代表卡拉卡亚大坝。为了实现研究目标，采用了两种研究方法，包括Excel中的外推和使用线性回归的数值优化。产出显示，卡拉卡亚大坝周围地区，包括阿扎米、奥尔塔拉马和阿斯加里，未来十年的年气温将适度上升约3至6摄氏度。此外，研究证实，卡拉卡亚大坝的幼发拉底河流量将在2029年从（100-350 m3）显著增加到（2590-2640 m3），这解释了温度和流量可能会影响液化。同时，研究成果表明，卡拉卡亚大坝下的土壤温度和化学元素在未来十年内不会有显著变化。尽管如此，到2029年，pH值将从4.14大幅变化至9.74。此外，卡拉卡亚大坝下土壤中最显著的化学分子浓度是亚磷酸盐阴离子，其最小和最大浓度分别为1和2μg/m2。

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

Periodicals of Engineering and Natural Sciences Engineering-Architecture

CiteScore

1.90

自引率

0.00%

发文量

140

审稿时长

7 weeks

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