Behavior analysis of ghale chay earth fill dam using instruments data
Publish place: 4th International Conference on long-Term Behavior and Environmentally Friendly Rehabilitaion Technologies of Dams
Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
LTBD04_042
تاریخ نمایه سازی: 25 آذر 1396
Abstract:
The Analysis of earth fill dam behavior during construction first impounding and operation periods. May help to recognize any possible destructive phenomena such as high water pore pressure, non- uniform settlements, excessive leakage, piping, and arching etc. In this research, the behavior components of Ghale Chay earth fill dam are investigated using instrumentation data. These components are: water pore pressure, total soil pressure, settlement in foundation and dam body. Various instruments installed in four different section of dam including: piezometers, settlement gages, inclinometers, total pressure cells and stand pipes. The research results indicate that the water pore pressure in the clayey core reduces in flow direction. For different reservoir water level pore pressure is nearly constant downstream of cut-off wall located in dam foundation (changes less than 10%). Maximum settlement occur at cross section No.2 of dam is equal to 816 mm (equal to 1% of dams height) is seen at 43.7% of dam height.
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Authors
Mohammad Manafpour
Assistant professor, Department of Civil Engineering, Urmia University, Urmia, Iran
Mojtaba Ghahremannezhad
M.Sc. student of civil Engineering, Urmia University, Urmia, Iran