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Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain

Received: 9 February 2015     Accepted: 26 February 2015     Published: 3 March 2015
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Abstract

This paper described the results to identify, characterize, and simulate the levee breach effects in a river and floodplain by overtopping. One-side levee model is built in a laboratory experimental flume as well as numerical simulation using sand with proper compaction. An initial condition provided for the overflow breach is considered with partial crest opening. Small-scale laboratory experiments were performed to evaluate the effects of overtopping levee breaching and investigated simultaneous phenomena appears in a river, levee and floodplain, and validated the results with same scale numerical simulations; and the results of both approaches were in conformity. The failure behavior of an earthen levee focuses on the effects of material sizes, river bed slopes and bed variations relative to floodplain. According to the results, the higher bed level brings more rapid propagation of the levee breach and widening with more sediment deposition in the floodplain area as well as river bed degradation in the upstream of the levee breach point may cause further risk of the levee breach during the next flood. Using finer bed materials, river bed deformation and sediment deposition in the floodplain are clearly make differences with coarser materials, also it create the normal flow problem through the river in future.

Published in American Journal of Civil Engineering (Volume 3, Issue 2)
DOI 10.11648/j.ajce.20150302.12
Page(s) 31-42
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), 2015. Published by Science Publishing Group

Keywords

Overtopping, Levee Breach, Inundation with Sediment Deposition, Laboratory Experiment, Numerical Simulation

References
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[8] Broadus, J., Milliman, J. and Edwards, S. (1986) “Rising Sea Level and Damming of Rivers; Possible Effects in Egypt and Bangladesh”. In, Proc. of United Nations Environments Programme and the U.S. Environmental Protection Agency: Effects of Change in Stratospheric Ozone and Global Climate. New York, 4: 165-189.
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[12] Hanson, G.J., Cook,K.R., and Britton, S.L. (2003). “Evaluating Erosion Widening and Headcut Migration Rates for Embankment Overtopping Tests”. ASAE International Meeting, Las Vegas, Nevada, USA.
[13] Sharif, Y. A. (2013) “Experimental study on Piping failure of earthern levee and dams”. [Unpublished PhD Dissertation], Accepted by the Collage of Engineering and Computing, University of South Carolona, USA. 73 pp.
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[16] Hanson, G. J., Temple, D.M., Morris, M. and Hassan, M. and Cook, K. (2005) “Simplified Breach Analysis Model for Homogeneous Embankments: Part II, Parameter Inputs and Variable Scale Model Comparisons”. 25th USSD Annual Conference: Technologies to Enhance Dam Safety and the Environment, United States Society on Dams, U.S.A., pp. 163-174.
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[22] Shimada, T., Watanabe, Y., Yokoyama, H. and Tsuji, T. (2009) “An Experiment on Overflow-Induced Cross-Levee Breach at the Chiyoda Experimental Channel”. River, Coastal and Estuarine Morphodynamics, 1: 475-481 (in Japanese).
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Cite This Article
  • APA Style

    Md. Serazul Islam, Tetsuro Tsujimoto. (2015). Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain. American Journal of Civil Engineering, 3(2), 31-42. https://doi.org/10.11648/j.ajce.20150302.12

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    ACS Style

    Md. Serazul Islam; Tetsuro Tsujimoto. Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain. Am. J. Civ. Eng. 2015, 3(2), 31-42. doi: 10.11648/j.ajce.20150302.12

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    AMA Style

    Md. Serazul Islam, Tetsuro Tsujimoto. Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain. Am J Civ Eng. 2015;3(2):31-42. doi: 10.11648/j.ajce.20150302.12

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  • @article{10.11648/j.ajce.20150302.12,
      author = {Md. Serazul Islam and Tetsuro Tsujimoto},
      title = {Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain},
      journal = {American Journal of Civil Engineering},
      volume = {3},
      number = {2},
      pages = {31-42},
      doi = {10.11648/j.ajce.20150302.12},
      url = {https://doi.org/10.11648/j.ajce.20150302.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajce.20150302.12},
      abstract = {This paper described the results to identify, characterize, and simulate the levee breach effects in a river and floodplain by overtopping. One-side levee model is built in a laboratory experimental flume as well as numerical simulation using sand with proper compaction. An initial condition provided for the overflow breach is considered with partial crest opening. Small-scale laboratory experiments were performed to evaluate the effects of overtopping levee breaching and investigated simultaneous phenomena appears in a river, levee and floodplain, and validated the results with same scale numerical simulations; and the results of both approaches were in conformity. The failure behavior of an earthen levee focuses on the effects of material sizes, river bed slopes and bed variations relative to floodplain. According to the results, the higher bed level brings more rapid propagation of the levee breach and widening with more sediment deposition in the floodplain area as well as river bed degradation in the upstream of the levee breach point may cause further risk of the levee breach during the next flood. Using finer bed materials, river bed deformation and sediment deposition in the floodplain are clearly make differences with coarser materials, also it create the normal flow problem through the river in future.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Experimental and Numerical Approaches to Overtopping Levee Breach Effects in a River and Floodplain
    AU  - Md. Serazul Islam
    AU  - Tetsuro Tsujimoto
    Y1  - 2015/03/03
    PY  - 2015
    N1  - https://doi.org/10.11648/j.ajce.20150302.12
    DO  - 10.11648/j.ajce.20150302.12
    T2  - American Journal of Civil Engineering
    JF  - American Journal of Civil Engineering
    JO  - American Journal of Civil Engineering
    SP  - 31
    EP  - 42
    PB  - Science Publishing Group
    SN  - 2330-8737
    UR  - https://doi.org/10.11648/j.ajce.20150302.12
    AB  - This paper described the results to identify, characterize, and simulate the levee breach effects in a river and floodplain by overtopping. One-side levee model is built in a laboratory experimental flume as well as numerical simulation using sand with proper compaction. An initial condition provided for the overflow breach is considered with partial crest opening. Small-scale laboratory experiments were performed to evaluate the effects of overtopping levee breaching and investigated simultaneous phenomena appears in a river, levee and floodplain, and validated the results with same scale numerical simulations; and the results of both approaches were in conformity. The failure behavior of an earthen levee focuses on the effects of material sizes, river bed slopes and bed variations relative to floodplain. According to the results, the higher bed level brings more rapid propagation of the levee breach and widening with more sediment deposition in the floodplain area as well as river bed degradation in the upstream of the levee breach point may cause further risk of the levee breach during the next flood. Using finer bed materials, river bed deformation and sediment deposition in the floodplain are clearly make differences with coarser materials, also it create the normal flow problem through the river in future.
    VL  - 3
    IS  - 2
    ER  - 

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Author Information
  • School of Agriculture and Rural Development, Bangladesh Open University, Gazipur-1705, Bangladesh

  • Department of Civil Engineering, Nagoya University, Nagoya, Japan

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