Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method

Recently, Roller Compacted Concrete (RCC) dams have become one of the most applicable types of dams across the globe. However, the basic challenge in analysis of RCC dams is evaluation of the actual response under earthquake excitations with considering flexible foundation and impounded water. For t...

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Main Authors: Ghaedi, Khaled, Hejazi, Farzad, Ibrahim, Zainah, Khanzaei, Parveen
Format: Article
Published: Springer Verlag (Germany) 2018
Subjects:
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author Ghaedi, Khaled
Hejazi, Farzad
Ibrahim, Zainah
Khanzaei, Parveen
author_facet Ghaedi, Khaled
Hejazi, Farzad
Ibrahim, Zainah
Khanzaei, Parveen
author_sort Ghaedi, Khaled
collection UM
description Recently, Roller Compacted Concrete (RCC) dams have become one of the most applicable types of dams across the globe. However, the basic challenge in analysis of RCC dams is evaluation of the actual response under earthquake excitations with considering flexible foundation and impounded water. For this purpose, a finite element model of RCC Dam-Reservoir-Foundation is accurately developed and dynamic time history analysis is utilized to assess the seismic responses in terms of acceleration, displacements, stresses, cracking patterns and crack propagation by implementation of concrete damaged plasticity model. A verification model is carried out to show the work accuracy. Based on these explanations, the obtained results showed that, however, the hydrodynamic pressure due to the reservoir water had great influence on seismic responses of the RCC dam with rigid foundation especially in terms of displacement response but overall responses of the dam are greatly fluctuated while flexible foundation is taken into consideration.
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spelling um.eprints-220472019-08-26T01:58:36Z http://eprints.um.edu.my/22047/ Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method Ghaedi, Khaled Hejazi, Farzad Ibrahim, Zainah Khanzaei, Parveen TA Engineering (General). Civil engineering (General) Recently, Roller Compacted Concrete (RCC) dams have become one of the most applicable types of dams across the globe. However, the basic challenge in analysis of RCC dams is evaluation of the actual response under earthquake excitations with considering flexible foundation and impounded water. For this purpose, a finite element model of RCC Dam-Reservoir-Foundation is accurately developed and dynamic time history analysis is utilized to assess the seismic responses in terms of acceleration, displacements, stresses, cracking patterns and crack propagation by implementation of concrete damaged plasticity model. A verification model is carried out to show the work accuracy. Based on these explanations, the obtained results showed that, however, the hydrodynamic pressure due to the reservoir water had great influence on seismic responses of the RCC dam with rigid foundation especially in terms of displacement response but overall responses of the dam are greatly fluctuated while flexible foundation is taken into consideration. Springer Verlag (Germany) 2018 Article PeerReviewed Ghaedi, Khaled and Hejazi, Farzad and Ibrahim, Zainah and Khanzaei, Parveen (2018) Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method. KSCE Journal of Civil Engineering, 22 (4). pp. 1275-1287. ISSN 1226-7988, DOI https://doi.org/10.1007/s12205-017-1088-6 <https://doi.org/10.1007/s12205-017-1088-6>. https://doi.org/10.1007/s12205-017-1088-6 doi:10.1007/s12205-017-1088-6
spellingShingle TA Engineering (General). Civil engineering (General)
Ghaedi, Khaled
Hejazi, Farzad
Ibrahim, Zainah
Khanzaei, Parveen
Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title_full Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title_fullStr Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title_full_unstemmed Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title_short Flexible Foundation Effect on Seismic Analysis of Roller Compacted Concrete (RCC) Dams Using Finite Element Method
title_sort flexible foundation effect on seismic analysis of roller compacted concrete rcc dams using finite element method
topic TA Engineering (General). Civil engineering (General)
work_keys_str_mv AT ghaedikhaled flexiblefoundationeffectonseismicanalysisofrollercompactedconcreterccdamsusingfiniteelementmethod
AT hejazifarzad flexiblefoundationeffectonseismicanalysisofrollercompactedconcreterccdamsusingfiniteelementmethod
AT ibrahimzainah flexiblefoundationeffectonseismicanalysisofrollercompactedconcreterccdamsusingfiniteelementmethod
AT khanzaeiparveen flexiblefoundationeffectonseismicanalysisofrollercompactedconcreterccdamsusingfiniteelementmethod