Deterministic Seismic Hazard Analysis to Determine Liquefaction Potential Due to Earthquake

Q3 Engineering

Open Civil Engineering Journal Pub Date : 2023-05-01 DOI:10.28991/cej-2023-09-05-012

K. A. Hanindya, L. Makrup, .. Widodo, R. Paulus

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引用次数: 0

Abstract

The great rocking of building structures and the occurrence of liquefaction in water-saturated soil on river banks are generally caused by earthquake shaking. The waves generated by the earthquake are the main cause of the shaking. In order to show the effect of ground motion earthquake shaking on the response of structures and liquefaction processes, it is necessary to analyze the structure and liquefaction as well as the time history of artificial earthquake ground motions. An artificial time history for liquefaction analysis can be developed based on spectral matching to the target spectrum generated by a deterministic seismic hazard analysis. Therefore, the time history recovered from the analysis can be said to be derived from a deterministic procedure. The analysis of liquefaction with time history aims to see the potential for liquefaction in the Palu region of Central Sulawesi by developing the time history of the bedrock. The time history of the bedrock is then spread over the ground surface. The propagation of time-historical waves to the ground surface can cause liquefaction events in the soil layer. It was found that liquefaction occurred in the Palu region, especially in the Anutapura Hospital building. No other liquefaction potential analysis studies were found in the region. Doi: 10.28991/CEJ-2023-09-05-012 Full Text: PDF

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确定地震液化潜力的确定性地震危害分析

河岸建筑结构的剧烈晃动和饱和水土液化的发生，一般都是由地震引起的。地震产生的波浪是造成震动的主要原因。为了揭示地震动对结构响应和液化过程的影响，有必要对结构和液化过程以及人工地震地震动时程进行分析。基于与确定性地震危险性分析生成的目标谱的谱匹配，可以建立液化分析的人工时程。因此，从分析中恢复的时间历史可以说是从确定性过程中得出的。液化的时间历史分析旨在通过发展基岩的时间历史来了解苏拉威西岛中部帕卢地区液化的潜力。基岩的时间历史就会在地表上展开。时程波向地表的传播会引起土层的液化事件。据发现，液化发生在帕卢地区，特别是在阿努塔普拉医院大楼。该地区未发现其他液化潜力分析研究。Doi: 10.28991/CEJ-2023-09-05-012全文:PDF

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来源期刊

Open Civil Engineering Journal Engineering-Civil and Structural Engineering

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： The Open Civil Engineering Journal is an Open Access online journal which publishes research, reviews/mini-reviews, letter articles and guest edited single topic issues in all areas of civil engineering. The Open Civil Engineering Journal, a peer-reviewed journal, is an important and reliable source of current information on developments in civil engineering. The topics covered in the journal include (but not limited to) concrete structures, construction materials, structural mechanics, soil mechanics, foundation engineering, offshore geotechnics, water resources, hydraulics, horology, coastal engineering, river engineering, ocean modeling, fluid-solid-structure interactions, offshore engineering, marine structures, constructional management and other civil engineering relevant areas.