Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS

Albaadani Ghallab

doi:doi:10.11648/j.ajma.20200801.12

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Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS

Albaadani Ghallab

Published in American Journal of Mechanics and Applications (Volume 8, Issue 1)

Received: 8 December 2019 Accepted: 30 December 2019 Published: 8 January 2020

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Abstract

China's energy demand is growing rapidly and large hydropower plants are becoming more common. This therefore has resulted in the building of many large concrete dams across the country. Significant dam cracking can have major environmental, economic and social consequences. Collapse of High concrete dam may cause serious harm to economic development as well as safety of the people; thereby necessitating the need for research on safety and stability of high concrete dam under high water and seismic conditions. In this paper, the high concrete dam of Longtan was used as an example, using the ABAQUS program based on the extended finite element method to analyze the Longtan Dam under static and dynamic conditions which has been commonly used for the study of crack growth. A numerical prediction of crack propagation in concrete gravity dams is presented. The two-dimensional seismic numerical study was done using acceleration-time records from Koyna earthquake in 1976 Dam concrete cracking range and cracking were discussed during a seismic time. The locations that are easy to generate cracks are illustrated from the analysis and the findings showed that, during seismic activity the Longtan Dam was rather unsafe. The results of the work can provide a valuable guide for the design and operation of the dam system.

Published in	American Journal of Mechanics and Applications (Volume 8, Issue 1)
DOI	10.11648/j.ajma.20200801.12
Page(s)	7-15
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Gravity Dam, Crack, XFEM, Abaqus

References

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APA Style

Albaadani Ghallab. (2020). Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. American Journal of Mechanics and Applications, 8(1), 7-15. https://doi.org/10.11648/j.ajma.20200801.12

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ACS Style

Albaadani Ghallab. Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. Am. J. Mech. Appl. 2020, 8(1), 7-15. doi: 10.11648/j.ajma.20200801.12

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AMA Style

Albaadani Ghallab. Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. Am J Mech Appl. 2020;8(1):7-15. doi: 10.11648/j.ajma.20200801.12

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@article{10.11648/j.ajma.20200801.12,
  author = {Albaadani Ghallab},
  title = {Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS},
  journal = {American Journal of Mechanics and Applications},
  volume = {8},
  number = {1},
  pages = {7-15},
  doi = {10.11648/j.ajma.20200801.12},
  url = {https://doi.org/10.11648/j.ajma.20200801.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajma.20200801.12},
  abstract = {China's energy demand is growing rapidly and large hydropower plants are becoming more common. This therefore has resulted in the building of many large concrete dams across the country. Significant dam cracking can have major environmental, economic and social consequences. Collapse of High concrete dam may cause serious harm to economic development as well as safety of the people; thereby necessitating the need for research on safety and stability of high concrete dam under high water and seismic conditions. In this paper, the high concrete dam of Longtan was used as an example, using the ABAQUS program based on the extended finite element method to analyze the Longtan Dam under static and dynamic conditions which has been commonly used for the study of crack growth. A numerical prediction of crack propagation in concrete gravity dams is presented. The two-dimensional seismic numerical study was done using acceleration-time records from Koyna earthquake in 1976 Dam concrete cracking range and cracking were discussed during a seismic time. The locations that are easy to generate cracks are illustrated from the analysis and the findings showed that, during seismic activity the Longtan Dam was rather unsafe. The results of the work can provide a valuable guide for the design and operation of the dam system.},
 year = {2020}
}

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TY  - JOUR
T1  - Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS
AU  - Albaadani Ghallab
Y1  - 2020/01/08
PY  - 2020
N1  - https://doi.org/10.11648/j.ajma.20200801.12
DO  - 10.11648/j.ajma.20200801.12
T2  - American Journal of Mechanics and Applications
JF  - American Journal of Mechanics and Applications
JO  - American Journal of Mechanics and Applications
SP  - 7
EP  - 15
PB  - Science Publishing Group
SN  - 2376-6131
UR  - https://doi.org/10.11648/j.ajma.20200801.12
AB  - China's energy demand is growing rapidly and large hydropower plants are becoming more common. This therefore has resulted in the building of many large concrete dams across the country. Significant dam cracking can have major environmental, economic and social consequences. Collapse of High concrete dam may cause serious harm to economic development as well as safety of the people; thereby necessitating the need for research on safety and stability of high concrete dam under high water and seismic conditions. In this paper, the high concrete dam of Longtan was used as an example, using the ABAQUS program based on the extended finite element method to analyze the Longtan Dam under static and dynamic conditions which has been commonly used for the study of crack growth. A numerical prediction of crack propagation in concrete gravity dams is presented. The two-dimensional seismic numerical study was done using acceleration-time records from Koyna earthquake in 1976 Dam concrete cracking range and cracking were discussed during a seismic time. The locations that are easy to generate cracks are illustrated from the analysis and the findings showed that, during seismic activity the Longtan Dam was rather unsafe. The results of the work can provide a valuable guide for the design and operation of the dam system.
VL  - 8
IS  - 1
ER  -

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Author Information

Albaadani Ghallab

Department of Engineering Mechanics, Hohai University, Nanjing, China

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Albaadani Ghallab. (2020). Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. American Journal of Mechanics and Applications, 8(1), 7-15. https://doi.org/10.11648/j.ajma.20200801.12

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ACS Style

Albaadani Ghallab. Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. Am. J. Mech. Appl. 2020, 8(1), 7-15. doi: 10.11648/j.ajma.20200801.12

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AMA Style

Albaadani Ghallab. Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS. Am J Mech Appl. 2020;8(1):7-15. doi: 10.11648/j.ajma.20200801.12

Copy | Download

@article{10.11648/j.ajma.20200801.12,
  author = {Albaadani Ghallab},
  title = {Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS},
  journal = {American Journal of Mechanics and Applications},
  volume = {8},
  number = {1},
  pages = {7-15},
  doi = {10.11648/j.ajma.20200801.12},
  url = {https://doi.org/10.11648/j.ajma.20200801.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajma.20200801.12},
  abstract = {China's energy demand is growing rapidly and large hydropower plants are becoming more common. This therefore has resulted in the building of many large concrete dams across the country. Significant dam cracking can have major environmental, economic and social consequences. Collapse of High concrete dam may cause serious harm to economic development as well as safety of the people; thereby necessitating the need for research on safety and stability of high concrete dam under high water and seismic conditions. In this paper, the high concrete dam of Longtan was used as an example, using the ABAQUS program based on the extended finite element method to analyze the Longtan Dam under static and dynamic conditions which has been commonly used for the study of crack growth. A numerical prediction of crack propagation in concrete gravity dams is presented. The two-dimensional seismic numerical study was done using acceleration-time records from Koyna earthquake in 1976 Dam concrete cracking range and cracking were discussed during a seismic time. The locations that are easy to generate cracks are illustrated from the analysis and the findings showed that, during seismic activity the Longtan Dam was rather unsafe. The results of the work can provide a valuable guide for the design and operation of the dam system.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Simulation of Cracking in High Concrete Gravity Dam Using the Extended Finite Elements by ABAQUS
AU  - Albaadani Ghallab
Y1  - 2020/01/08
PY  - 2020
N1  - https://doi.org/10.11648/j.ajma.20200801.12
DO  - 10.11648/j.ajma.20200801.12
T2  - American Journal of Mechanics and Applications
JF  - American Journal of Mechanics and Applications
JO  - American Journal of Mechanics and Applications
SP  - 7
EP  - 15
PB  - Science Publishing Group
SN  - 2376-6131
UR  - https://doi.org/10.11648/j.ajma.20200801.12
AB  - China's energy demand is growing rapidly and large hydropower plants are becoming more common. This therefore has resulted in the building of many large concrete dams across the country. Significant dam cracking can have major environmental, economic and social consequences. Collapse of High concrete dam may cause serious harm to economic development as well as safety of the people; thereby necessitating the need for research on safety and stability of high concrete dam under high water and seismic conditions. In this paper, the high concrete dam of Longtan was used as an example, using the ABAQUS program based on the extended finite element method to analyze the Longtan Dam under static and dynamic conditions which has been commonly used for the study of crack growth. A numerical prediction of crack propagation in concrete gravity dams is presented. The two-dimensional seismic numerical study was done using acceleration-time records from Koyna earthquake in 1976 Dam concrete cracking range and cracking were discussed during a seismic time. The locations that are easy to generate cracks are illustrated from the analysis and the findings showed that, during seismic activity the Longtan Dam was rather unsafe. The results of the work can provide a valuable guide for the design and operation of the dam system.
VL  - 8
IS  - 1
ER  -

Copy | Download