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Title

Trend of maximum discharge for effective parameters of outflow hydrograph due to piping

Year: 1394
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COI: ICESCON02_161
Language: EnglishView: 405
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Authors

Yousef Hassanzadeh - Professor, University of Tabriz
Naghmeh Heidari - Master’s student, University of Tabriz
Aida Bagheri Basmenji - Master’s student, University of Tabriz

Abstract:

Dams provide society with essential benefits such as water supply, flood control, recreation, hydropower, and irrigation. When dam failure happens, the impounded water runs through the breach, and it leads to death of people and destruction of structures in the downstream valley. According to reports by International Commission on Large Dams (ICOLD, 1973), about 38 percent of all dam failures are caused by overtopping of the dam due to inadequate spillway capacity, about 33 percent of dam failures are caused by seepage through the dam, about 23 percent of the failures are related to foundation problems, and the remaining failures are caused by slope embankment slides, damage, or liquefaction from earthquakes. Due to loss of life, environmental damage and economic reflection, prediction of dam breach and outflow hydrograph should be considered. The breach is an opening in embankment dam which is created by piping or overtopping. Piping occurs where the body of dam is permeable. This phenomenon starts from downstream and expands to upstream in the body of the dam. When the top point of breach reaches water level, great amount of water enters into the breach, and causes dam failure. The purpose of this study is investigation of effective parameters on dam breach outflow hydrograph due to piping. BREACH GUI is used for modeling of dam breach failure. The results describe parameters which are effective on dam breach outflow hydrographs. These parameters are average grain size diameter (D50) of outer material, porosity of inner and outer material, upstream slope, and downstream slope of the surface and core.

Keywords:

Paper COI Code

This Paper COI Code is ICESCON02_161. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/490568/

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Hassanzadeh, Yousef and Heidari, Naghmeh and Bagheri Basmenji, Aida,1394,Trend of maximum discharge for effective parameters of outflow hydrograph due to piping,دومین کنفرانس بین المللی علوم و مهندسی,https://civilica.com/doc/490568

مراجع و منابع این Paper:

لیست زیر مراجع و منابع استفاده شده در این Paper را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود Paper لینک شده اند :

  • Badv K. (2000). Piping estimation in embankment dams. Technical commission ...
  • Ghods Niroo Consultant Engineers Institute (1995). Vaniar Dam Project" Iran. ...
  • Hassanzadeh Y. (2005). Dam-Break Hydraulics. Iranian national commission on large ...
  • Seyfizadeh M. (2013). Introduction of BREAC'H GUI model. Sari University. ...
  • Wahl, Tony L. (1998). Prediction of Embankment Dam Breach Parameters. ...

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Type of center: دانشگاه دولتی
Paper count: 23,935
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