نتایج جستجو برای: rockfill structures
تعداد نتایج: 455401 فیلتر نتایج به سال:
This article presents experimental research focusing on the structural failure of central core a rockfill dam using sand-bentonite mixtures. It comprised an extensive geotechnical characterization soil materials and mixtures, including compaction strength tests, as well construction 1 m high 1.5 wide physical models. The displacements cohesive cores were recorded tailored measuring system, base...
the present study was conducted to investigate the effect of implicit focus on form through input flooding and the effect of noticing, explicit focus on form on linguistic accuracy. to fulfill the purpose of the study, 86 iranian pre-intermediate efl learners of one of the language institutes were chosen by means of administering ket as the homogeneity test. these learners were pretested throug...
Settlement prediction is of great importance for safety control concrete-face rockfill dams (CFRDs) during the operation stage. However, accuracy achieved by commonly used hydrostatic–seasonal–time (HST) methods, without consideration previous conditions influencing factors, not competitive. Moreover, in most settlement data at each monitoring point are modeled individually; correlation relatio...
in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...
With the increasing height of rockfill dams, detailed and effective numerical simulation for dam design construction has become increasingly important. This paper develops a finite element program impoundment process high large-scale earth dams studies influence accuracy on deformation crack analysis. By establishing subdivision mode conventional elements, mesh generation is realized. Using row...
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