Research on Dam Breach of Tangjiashan Quake Lake

2009 ◽  
Author(s):  
Peng Li ◽  
Sen Yang ◽  
Ning Kang ◽  
Shan-shan Wang
Keyword(s):  
Dam Breach ◽  
Quake Lake

Simulation of dam breach development for emergency treatment of the Tangjiashan Quake Lake in China

2008 ◽  
Vol 51 (S2) ◽  
pp. 82-94 ◽  
Author(s):  
GuangQian Wang ◽  
Fan Liu ◽  
XuDong Fu ◽  
TieJian Li
Keyword(s):  
Emergency Treatment ◽  
Dam Breach ◽  
Quake Lake

scholarly journals Dam Breach Simulation with the Material Point Method

Computation ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 8
Author(s):  
Chendi Cao ◽  
Mitchell Neilsen
Keyword(s):  
Material Point Method ◽  
Mixture Theory ◽  
Material Point ◽  
Point Method ◽  
Internal Erosion ◽  
Dam Breach ◽  
New Model ◽  
Hencky Strain ◽  
The Impact ◽  
Soil And Water

Dam embankment breaches caused by overtopping or internal erosion can impact both life and property downstream. It is important to accurately predict the amount of erosion, peak discharge, and the resulting downstream flow. This paper presents a new model based on the material point method to simulate soil and water interaction and predict failure rate parameters. The model assumes that the dam consists of a homogeneous embankment constructed with cohesive soil, and water inflow is defined by a hydrograph using other readily available reach routing software. The model uses continuum mixture theory to describe each phase where each species individually obeys the conservation of mass and momentum. A two-grid material point method is used to discretize the governing equations. The Drucker–Prager plastic flow model, combined with a Hencky strain-based hyperelasticity model, is used to compute soil stress. Water is modeled as a weakly compressible fluid. Analysis of the model demonstrates the efficacy of our approach for existing examples of overtopping dam breach, dam failures, and collisions. Simulation results from our model are compared with a physical-based breach model, WinDAM C. The new model can capture water and soil interaction at a finer granularity than WinDAM C. The new model gradually removes the granular material during the breach process. The impact of material properties on the dam breach process is also analyzed.

Dam-Breach Flood Wave Propagation Using Dimensionless Parameters

2003 ◽  
Vol 129 (10) ◽  
pp. 777-782 ◽  
Author(s):  
Victor M. Ponce ◽  
Ahmad Taher-shamsi ◽  
Ampar V. Shetty
Keyword(s):  
Wave Propagation ◽  
Flood Wave ◽  
Dam Breach ◽  
Dimensionless Parameters

Unlocking Data from the Online Footage of the Edenville Dam Breach

2021 ◽  
Author(s):  
Yixing Yuan ◽  
David Bazzett ◽  
Rishika Padnani ◽  
Ruo-Qian Wang
Keyword(s):  
Dam Breach

Dam breach hydraulics and morphodynamics in overtopped earth dams with chimney filter

2020 ◽  
pp. 949-957
Author(s):  
T. Alvarez ◽  
S. Valente ◽  
S. Amaral ◽  
T. Viseu ◽  
R.M.L. Ferreira
Keyword(s):  
Earth Dams ◽  
Dam Breach
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