نتایج جستجو برای: rockfill structures
تعداد نتایج: 455401 فیلتر نتایج به سال:
Dams are one of the most important water structures built to meet vital needs people such as irrigation and energy. It is great importance examine seismic safety dams. In addition, it investigate interaction behavior dams due bodies dams, reservoir water, foundation being in constant interaction. Therefore, this study, clay core rockfill (CCR) investigated by considering dam-foundation-reservoi...
seismic behavior of a rockfill dam with asphalt-concrete core has been studied utilizing numerical models with material parameters determined by laboratory tests. the case study selected for these analyses, is the meyjaran asphalt core dam, recently constructed in northern iran, with 60 m height and 180 m crest length. the numerical analyses have been performed using a nonlinear three dimension...
The western region of China is rich in hydropower resources and characterized by unique geological conditions. For the construction or planned high dams this region, different types cover layers are formed due to special structures, most which located seismic intensity zones. This study focuses on four site conditions: hard ground, medium–hard medium–soft weak ground. By simulating dynamic resp...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
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