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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 55251 (09)
- University: Sharif University of Technology
- Department: Civil Engineering
- Advisor(s): Jafarzadeh, Fardin
- Abstract:
- In past few centuries , dams have been always a crucial part of human life . Using dams for agriculture and supplying water for people , has made them a valuable asset for countries . So evaluating dam safety and dam breach properties is so important. This issue is a geotechnical , structural and hydrological matter. Safety of earth dams could be threatened due to dam body breach caused by overtopping or pipping, during heavy floods, strong ground motions or any structural damage or defection. As in previous studies , calculating the final geometrical breach properties and time of failure was the main goal , we tried to connect this characteristics and find the relation of time and breach geometry .In this project our main focus will be homogenous earth dams and dam breach evolution and we will investigate the continuation of breach till earth dam failure. in order to investigate this issue , we have considered a numerical model based in ABAQUS and an experimental model of a fully scaled earth dam (with an open channel).After considering this two approaches individually , we get to conclusion and compare the results .In addition to the above topics, investigating the failure mechanism and form of dam failure in the state of internal erosion and the factors affecting the failure parameters have been investigated in this research
- Keywords:
- Erosion ; Numerical Model ; Experimental Model ; Dam Failure ; Defect Growth ; Homogeneous Earth Dam
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