Case Study on Analyses of Slope Riverbank Failure

IF 0.8 Q3 ENGINEERING, MULTIDISCIPLINARY

Modelling and Simulation in Engineering Pub Date : 2022-10-26 DOI:10.1155/2022/1965224

N. Taha, M. Shariff, M. A. Ladin

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Abstract

A slope riverbank failure is a natural event that occurs globally on each riverbank, and a drawdown event usually causes slope riverbank failure. This case study is aimed at analysing slope riverbank failures by evaluating the seepage and slope stability of the riverbank under slow and rapid drawdown. The riverbank in this case study is located at KM 3.49, Jalan Pantai Luagan in the Sipitang district (N 4° 59 ′ 12.9 ″ E 115° 31 ′ 13.3 ″ ). A literature review was conducted to view the current study pattern and retrieve a methodology based on the current study pattern. GeoStudio is a commercial finite element software. The data obtained from the borehole log report and online resources were utilised to create the riverbank model in software. The phreatic line shows a slow change over time, indicating that the riverbank takes a long time to stabilise after the drawdown. The FOS value decreases during the drawdown occurrence and slowly increases after the drawdown has ended. In conclusion, the drawdown event can cause slope riverbank failure, and the seepage and stability analysis using GeoStudio can show the condition of the riverbank during the drawdown event.

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边坡河堤破坏分析实例研究

坡面河堤破坏是发生在各个河堤上的全局自然事件，而滑坡事件通常会导致坡面河堤破坏。本案例研究的目的是通过评估缓慢和快速下降下的河岸渗流和边坡稳定性来分析斜坡河岸破坏。本案例研究中的河岸位于西皮塘地区Jalan Pantai Luagan的KM 3.49(北纬4°59′12.9″东经115°31′13.3″)。通过文献综述来查看当前的研究模式，并检索基于当前研究模式的方法。GeoStudio是一款商业有限元软件。利用钻孔测井报告和在线资源获得的数据在软件中创建河岸模型。潜水线随时间的变化缓慢，表明河岸在下降后需要很长时间才能稳定下来。FOS值在降载发生时减小，在降载结束后缓慢增大。综上所述，滑坡事件会导致坡面河堤破坏，利用GeoStudio进行的渗流与稳定性分析可以反映滑坡事件发生时河堤的状况。

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

Modelling and Simulation in Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

2.70

自引率

3.10%

发文量

审稿时长

18 weeks

期刊介绍： Modelling and Simulation in Engineering aims at providing a forum for the discussion of formalisms, methodologies and simulation tools that are intended to support the new, broader interpretation of Engineering. Competitive pressures of Global Economy have had a profound effect on the manufacturing in Europe, Japan and the USA with much of the production being outsourced. In this context the traditional interpretation of engineering profession linked to the actual manufacturing needs to be broadened to include the integration of outsourced components and the consideration of logistic, economical and human factors in the design of engineering products and services.