Deprem Bölgesinde Bulunan Mevcut Bir Tank Yapısının Geoteknik Değerlendirmesi

IF 0.8 4区 工程技术 Q4 ENGINEERING, CIVIL Teknik Dergi Pub Date : 2022-05-01 DOI:10.18400/TEKDERG.813808
Esra Ece Eseller-Bayat, Onur Deniz
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Abstract

Geotechnical Evaluation of an Existing Tank Structure Located in a Seismic Zone This study presents the geotechnical evaluation of an existing tank structure under earthquake loads, based on TBDY 2018, international standards, and the published models in the literature. Due to the presence of liquefaction potential and clay layers thicker than 35 m with low shear strength in the field, non-linear site-specific analyses were performed Deprem in the time domain with and without pore pressure models. Soil softening and liquefaction act as a natural isolator, damping surface accelerations significantly, but they have caused high lateral displacements (2.0-2.3 m) and vertical settlements (58-128 cm) in the free field. It is estimated that the differential settlement at the tank structure is approximately 70-80 cm at the maximum and 5-10 cm at the lowest that is needed to be considered in pipe connections with the tank at the site. Under the additional earthquake loads from the superstructure, the bearing capacity and sliding control on the bottom of the tank structure and under the fill reinforced with geogrid were found to be safe.
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Bölgesinde Bulunan Mevcut Bir Tank Yapısının Geotechnik Değerlendirmesi
地震带内现有储罐结构的岩土工程评估本研究基于TBDY 2018、国际标准和文献中已发表的模型,对地震荷载下的现有储罐结构进行了岩土工程评价。由于现场存在液化潜力和厚度超过35 m且剪切强度较低的粘土层,在有孔隙压力模型和无孔隙压力模型的情况下,在时域中进行了非线性特定场地分析。土壤软化和液化起到了天然隔离器的作用,显著阻尼了表面加速度,但它们在自由场中造成了高的横向位移(2.0-2.3m)和垂直沉降(58-128cm)。据估计,储罐结构处的不均匀沉降最大约为70-80cm,最小约为5-10cm,这需要在与现场储罐的管道连接中加以考虑。在上部结构的附加地震荷载作用下,储罐结构底部和土工格栅加固填土下的承载力和滑动控制是安全的。
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来源期刊
Teknik Dergi
Teknik Dergi 工程技术-工程:土木
自引率
30.80%
发文量
65
审稿时长
>12 weeks
期刊介绍: The scope of Teknik Dergi is naturally confined with the subjects falling in the area of civil engineering. However, the area of civil engineering has recently been significantly enlarged, even the definition of civil engineering has somewhat changed. Half a century ago, engineering was simply defined as “the art of using and converting the natural resources for the benefit of the mankind”. Today, the same objective is expected to be realised (i) by complying with the desire and expectations of the people concerned and (ii) without wasting the resources and within the sustainability principles. This change has required an interaction between engineering and social and administrative sciences. Some subjects at the borderline between civil engineering and social and administrative sciences have consequently been included in the area of civil engineering. Teknik Dergi defines its scope in line with this understanding. However, it requires the papers falling in the borderline to have a significant component of civil engineering.
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