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Finite Element Analysis of Embankment utilizing Small-Scale Centrifugal Dimension

Credit to Download: 1 | Page Numbers 15 | Abstract Views: 330
Year: 2015
COI code: CONFUCIAN01_002
Paper Language: English

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Authors Finite Element Analysis of Embankment utilizing Small-Scale Centrifugal Dimension

Ali Sobhanmanesh - PhD. in Geotechnical Engineering University Teknologi Malaysia (UTM), Malaysia
Ramli Nazir - Professor of Geotechnical Engineering University Teknologi Malaysia (UTM), Malaysia
  Leila Amini Jahromi - Persian Gulf University (PGU), Iran

Abstract:

Physical modelling through full-scale and small-scale models is widely implemented in order to define specific aspects of the prototype behaviour. On other hand, numerical modeling are essentially required to cope with the complex geotechnical problems due to the ability of considering andanalyzing all aspects of the model. It can afford more perception about the behavior of geosyntheticreinforcedembankment. In this study, four different cases of unreinforced and reinforced embankment models constructed on soft and stiff grounds are studied through physical modelling by means ofcentrifuge tests and numerical modelling by means of finite element method. As the mini-centrifuge apparatus used in this study is not fully instrumented and has some technical difficulties and limitations, only a quantitative evaluation of stability, deformation pattern and behaviour of thesescases are carried out by analysing the variation of vertical displacements and settlements in different stage of construction. A comparison between the results of finite element models and measurements of centrifuge tests is carried out to validate and identifies the reasonableness of the finite elementmethod. To have a realistic and accurate comparison between these two methods, it is rational to consider all-important effective parameters in finite element modeling of centrifuge test. Therefore, this study focuses mostly on accurate finite element modeling of small-scale centrifugal models byconsidering varying dimensions of model due to the different acceleration field of centrifuge test, sidewall friction of the soil box and small boundary condition and payload capacity of the centrifuge test. The results show the different deformation behavior for these four cases and indicate the significant effect of the geosyntheic reinforcement on increasing the stability of embankment. Thecomparison analysis presents a good agreement between results of theses two methods, which validated the finite element technique in analysis of different embankment cases.

Keywords:

Finite Element Simulation, Centrifuge Test, Numerical modeling, Embankment,geosynthetics reinforcement

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COI code: CONFUCIAN01_002

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Sobhanmanesh, Ali; Ramli Nazir & Leila Amini Jahromi, 2015, Finite Element Analysis of Embankment utilizing Small-Scale Centrifugal Dimension, International conference on new research in civil engineering, architecture and urbanism, تهران, شركت مديران ايده پردازان پايتخت ايليا, https://www.civilica.com/Paper-CONFUCIAN01-CONFUCIAN01_002.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Sobhanmanesh, Ali; Ramli Nazir & Leila Amini Jahromi, 2015)
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