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Hasil Pencarian

Ditemukan 3 dokumen yang sesuai dengan query
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Jessica Sjah
Contruction of the Constriction Curve-Comparison between Three Different Approaches (Discrete Element Method Triangulation Delaunay, Probabilistic Approach, Inverse Approach)
" The internal erosion is a common mode of failure in earth dams. The phenomenon of filtration process corresponds to a transport over long distances of fine particles under the effect of seepage forces. The filters arranged by both sides of the clay core are supposed to be dimensioned so to stop this transfer. In a granular material, the constriction is very important in the filtration process. It is the narrowest path linking pores. If there ... "
Depok: Fakultas Teknik Universitas Indonesia, 2010
T29651
UI - Tesis Open  Universitas Indonesia Library
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Jessica Sjah
Pengaruh pemakaian cacahan limbah gelas plastik polypropylene (PP) pada kuat tekan dan kuat geser material beton = The effect of usage of crushed polypropylene plastic waste in compressive and shear strength of concrete material
" Beton merupakan material getas dan lemah terhadap tarik dibandingkan baja. Salah satu solusi untuk mengatasi kelemahan beton adalah penambahan serat plastic jenis polypropylene dalam bentuk kemasan air minum pada material beton. Berangkat dari keberhasilan fiber reinforced concrete, maka dilakukan penelitian mengenai pengaruh penambahan cacahan limbah gelas plastik PP dalam meningkatkan kinerja beton. Tujuan penelitian ini adalah untuk mempelajari efektifitas penggunaan cacahan limbah plastik PP terhadap peningkatan kuat tekan dan kuat geser beton dengan fc? = ... "
2008
S35280
UI - Skripsi Open  Universitas Indonesia Library
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Jessica Sjah
Fluid–solid interaction in the case of piping erosion: Validation of a sph-ale code
" This paper presents a set of numerical simulations of different 2D boundary-value problems in order to validate a “smoothed-particle hydrodynamics”-“arbitrary Lagrangian-Eulerian” (SPH-ALE) code. This code is intended to be used to study, among other things, the problem of piping erosion in dams and dikes. The case of viscous fluid flows around a fixed cylinder was first examined. Different Reynolds numbers and different shapes for the cylinder were considered. The drag coefficient, lift coefficient, pressure coefficient, ... "
Depok: Faculty of Engineering, Universitas Indonesia, 2017
UI-IJTECH 8:6 (2017)
Artikel Jurnal  Universitas Indonesia Library