نتایج جستجو برای: karkheh earth dam

تعداد نتایج: 106039  

Journal: :Nucleation and Atmospheric Aerosols 2023

In dam construction stages when an earth embankment has retained a reservoir with constant water surface elevation for long time, seepage conditions within the will be reach steady state. If it is necessary to drain quickly, pore-water pressures in may remain relatively high while stabling effect of reservoir's weight along upstream (U/S) side removed. This process referring as "Rapid Drawdown"...

Journal: :E3S web of conferences 2023

Design, construction, as well reliable and safe operation of earthen hydraulic structures (earth dams) in the Republic Uzbekistan, located a seismically hazardous zone, require constant improvement load calculation methods, required by building codes, including loads (static - gravity, hydrostatic) temporary dynamic (seismic). The current normative method does not take into account non-one-dime...

ژورنال: علوم آب و خاک 2008
هاشمی, سید علی اصغر , عرب خدری, محمود ,

  In order to quantitatively evaluate the sediment yield in ungauged basins, it is necessary to use empirical models. The EPM model, as a model which is using in Iran, has sometimes been evaluated. Most evaluations have often been conducted by using river's sediment information and direct measurements of dam reservoir sedimentation have been less used, while the sediment measurement method on r...

Journal: :Journal of Geoscience and Environment Protection 2018

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