Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"3DEC"”.
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Distinct Element Simulation of the February 17th, 2006, Leyte, Philippines Rockslide
… simulation of the rockslide is performed using 3DEC (Three-Dimensional Distinct Element Code) in order to investigate the underlying triggering mechanism of the slide as well as the behavior of the debris flow. The 3DEC models were established based on field observations from the U.S. …
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Numerical Modeling Methodology for Weak Rock Masses in Nevada gold mines
… fracture network (DFN) and rock bolts in 3DEC. Sensitivity studies were performed on over 200 time dependent numerical models to understand the effect of various rock support design parameters on different excavation sizes and depths. Rock bolt length and spacing was varied for numerical …
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A Risk-Based Pillar Design Approach for Improving Safety in Underground Stone Mines
… set. The Discrete Element Modeling Software 3DEC was used along with the DFNs to simulate fractured rock pillars. Different fractured pillar strength modeling approaches were evaluated, and the most adequate in terms of pillar strength values, failure mechanisms representation, and processing …
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Integrating Laser Scanning with Discrete Element Modeling for Improving Safety in Underground Stone Mines
According to the Mine Health and Safety Administration (MSHA), between 2006 and 2016, the underground stone mining industry had the highest fatality rate in 4 out of 10 years, compared to any other type of mining in the United States. Additionally, the National Institute for Occupational Safety and …
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HIV subtype C diversity: analysis of the relationship of sequence diversity to proposed epitope locations
Southern Africa is facing one of the most serious HIV epidemics. This project contributes to the HIVNET, Network for Prevention Trials cohort for vaccine development. HIVÂ’s biology and rapid mutation rate have made vaccine design difficult. We examined HIV-1 subtype C diversity and how it relates …