Filtration process in earth fill dam body and its chemical effect on piezometers
Аsror YangievTashkent Institute of Irrigation and Agricultural Mechanization Engineers, Kary Niyoziy, 39, Tashkent, UzbekistanFurqat GapparovTashkent Institute of Irrigation and Agricultural Mechanization Engineers, Kary Niyoziy, 39, Tashkent, UzbekistanD. AdjimuratovTashkent Institute of Irrigation and Agricultural Mechanization Engineers, Kary Niyoziy, 39, Tashkent, Uzbekistan
ABI
Аннотация
Estimation of aggressiveness of filtration flow in the dam body is gaining importance in providing the stability of reservoir dam and its parts. In order to estimate the aggressiveness of filtration flow in the dam body it is necessary to know the movement pattern of filtration water in reservoir dam and its effect on dam elements. The article brings up the definition of gradients of filtration flow in the dam body, analysis of the reasons of their change by cross section at the example of Tashkent reservoir dam. Besides, chemical composition of water in piezometers has been analyzed, aggressive effect of sulfate salts on piezometers, and their corrosion have been determined. Measures on systematic piezometer observations are mentioned.
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