نتایج جستجو برای: karkheh embankment dam
تعداد نتایج: 14403 فیلتر نتایج به سال:
Indonesia is a country that has quite high seismic activity and prone to earthquake hazards, so the construction of embankment dams in needs pay attention stability against collapse due soil mass loads. Jlantah dam located Karanganyar, Central Java. This planned for irrigation 1493 hectares raw water 150 liters/second. study aims determine safety factor (Fs) on Dam body. The method used quantit...
some heavy clay soils of the A6 and A7 types with tar emul sions and cutbacks on an experimental subgrade stabilization during the summer of 1937, we found that this type of soil stabilization presents some very different problems from those of soil-aggregate stabilization. Soil-cement stabilization, as described by Mr. Myers, also presents some interesting problems. According to its claims, t...
In recent years, a new type of dams namely CMD, has attracted so much attention. Different amounts of cement cause a type of behavior that be somewhere between those of embankment dams and conventional concrete dams. This behavior is not perfectly clarified and its analysis, especially under dynamical loading and in nonlinear region of the material, remains unclear. In this paper, Tobetsu dam h...
Concrete faced rockfill dams (CFRDs) are among the structures that due to their advantages such ease of construction and low execution costs,have attracted more attention nowadays.Due to the fact that during large earthquakes,the hydrodynamic pressure will be large and cannot be ignored,the main purpose of this research is to apply reservoir hydrodynamic pressure of dam reservoir caused by the ...
Internal erosion is known as the most important cause of dam failure after overtopping. It is important to improve the erosion resistance of the erodible soil by selecting an effective technique along with the reasonable costs. To prevent internal erosion of embankment dams the use of chemical stabilizers that reduce the soil erodibility potential is highly recommended. In the present study, a ...
The risk related to embankment dam breaches needs be evaluated in order prepare emergency action plans. physical and hydrodynamic parameters of the flood wave generated from failure event correspond various breach parameters, such as width, slope, formation time. This study aimed simulate scenario Yabous (northeast Algeria) analyze its influence on areas (urban natural environments) downstream ...
The study of embankment breaching is not an easy practice, as it includes various parameters to meet the suitability design approach, especially when we consider for long term. Embankment breach studies generally include prediction different parameters. important physical and hydrodynamic flood wave generated from failure are width, slope, formation time, peak outflow, time failure. Out these p...
Abstract It is commonly believed that the permanent deformation introduced by meizoseismal impacts of embankment dams, which impossible to be reinstated and will further endanger safety normal use thereof. In this study, a three-dimensional finite element model dam have been established with equivalent nodal force approach calculate dams under seismic protection. was indicated results accelerat...
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