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Full-Text Articles in Geological Engineering

Raspberry Pi Cluster For Parallel And Distributed Computing, Ngoc Ha Apr 2019

Raspberry Pi Cluster For Parallel And Distributed Computing, Ngoc Ha

Graduate Theses & Non-Theses

Parallel and distributed computing have become an essential part of the ‘Big Data’ processing and analysis, especially for geophysical applications. The main goal of this project was to build a 4-node distributed computing cluster system using the Raspberry Pi single-board computers for educational and research purposes. After assembling together the system, a standard test was performed to check the system functionality. A Monte Carlo simulation to calculate π (pi) was used to demonstrate the advantages and drawbacks of parallelization and distribution of tasks and data within the cluster. Challenges encountered during installation of the software and testing phase, and their ...


The Geology And Geochemistry Of The Golden Chest Gold Deposit, Murray, Idaho, Alexander Brown Apr 2019

The Geology And Geochemistry Of The Golden Chest Gold Deposit, Murray, Idaho, Alexander Brown

Graduate Theses & Non-Theses

The Golden Chest Au-W Mine has been intermittently mined since the 1880’s. Mineralized quartz veins have been deposited into the Upper Prichard Formation of the Proterozoic Belt Supergroup. The Golden Chest is located in the Summit Mining District within the Murray Gold Belt region of the greater Coeur d’Alene (CdA) Mining District. A modern geochemical study of the Golden Chest has never been conducted at the Golden Chest.

This thesis investigates, with the collaboration of New Jersey Mining Company (NJMC), the paragenesis of ore forming minerals, the mineralogy of the deposit and the genesis of the ore forming ...


Seismic Landslide Hazard Mapping For Greater Vancouver, British Columbia, Ali Fallah Yeznabad, Sheri E. Molnar, Hesham M. El Naggar Mar 2019

Seismic Landslide Hazard Mapping For Greater Vancouver, British Columbia, Ali Fallah Yeznabad, Sheri E. Molnar, Hesham M. El Naggar

Western Research Forum

The lower Mainland of southwest British Columbia (BC) hosts about 3.5 million people and significant infrastructures of national importance. Southwestern BC has the highest seismic risk in Canada with significant potential to cause earthquake-induced hazards including tsunamis, liquefaction and landslides. A Cascadia mega-thrust (MW 9) earthquake is predicted to generate $75 billion Canadian dollars in losses. This damage can be resulted from ground shaking or its secondary phenomena like landslides; ground shaking during earthquakes may trigger landslides that can damage or destroy buildings, bury roads and highways and kill and injure people. In Canada, during the past century ...


Centrifuge Modeling Of Dense Granular Columns In Layered Liquefiable Soils With Varying Stratigraphy And Overlying Structures, Mahir A. Badanagki Jan 2019

Centrifuge Modeling Of Dense Granular Columns In Layered Liquefiable Soils With Varying Stratigraphy And Overlying Structures, Mahir A. Badanagki

Civil Engineering Graduate Theses & Dissertations

Soil liquefaction and ground failure have been a major source of damage to slopes, embankments, and structures during previous earthquakes. The risk of liquefaction and associated ground deformations can be reduced by various forms of improvement, including the granular column technique. Granular columns are known to be cost effective and environmentally friendly, and they have been in use since the 1970’s to mitigate the liquefaction hazard. Granular columns mitigate the consequences of soil liquefaction through a combination of: 1) installation-induced ground densification, 2) increase in lateral effective stresses in the surrounding soil, 3) increase in shear stiffness, and 4 ...


Investigating Hydraulic Communication Between Wells During Hydraulic Fracturing Treatments In The Piceance Basin, Colorado, Usa, Alexis Ahlert Jan 2019

Investigating Hydraulic Communication Between Wells During Hydraulic Fracturing Treatments In The Piceance Basin, Colorado, Usa, Alexis Ahlert

Undergraduate Honors Theses

Oil and gas wells in Colorado had a circular spacing regulation that required wells to be spaced 745 ft (227 m) in diameter apart. Some oil and gas wells in the Piceance Basin experience hydraulic communication, which is when the hydraulic fracturing of one well damages the production of a neighboring well. During hydraulic communication, formation water enters the producing borehole at the front of the pressure wave and must be removed before the well is brought back into production. Several wells that have experienced communication have come back on line, but months later, have not recovered their original production ...


Effects Of Depositional Processes On Strength And Compressibility Of Sediments Using Elastic Shear Wave Velocity, Wisam Razzaq Muttashar Jan 2019

Effects Of Depositional Processes On Strength And Compressibility Of Sediments Using Elastic Shear Wave Velocity, Wisam Razzaq Muttashar

Theses and Dissertations--Earth and Environmental Sciences

Depositional processes are the most critical, complicated conditions that govern sediment properties and their variations, which in turn significantly affect the geotechnical behavior of the sediment. The complexity of depositional and post-depositional processes, which results in a variety of depositional environments, makes constructing a plausible model for the consolidation process of sediments difficult. The mutual influence between the temporal and spatial variation of depositional environments with their resultant physical and mechanical properties cause several compression issues, such as consolidation settlement and land subsidence, which mostly occur in estuarine-riverine regions throughout the world.

The first aim of this study is proposing ...