Theses - Geological Engineering
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Drainage Characteristics of Recycled Materials for Mechanically Stabilized Earth Walls
(2021-05)With the expansion of transport, commercial, and residential infrastructure to support the needs of a growing populous, greater amounts of construction materials are required. These aspects place increased amounts of stress ... -
A Static Flux Chamber Design for Evaluation of Gas Flux Through Composite Cover Systems
(2020-05)EXECUTIVE SUMMARY Validated measurement of landfill gas (LFG) emissions can quantify the effectiveness of landfill cover and LFG collection systems for the management and containment of gases, ranging from trace (< 1%) ... -
POTENTIAL CLIMATE CHANGE IMPACTS TO STREAM TEMPERATURE IN THE MARENGO RIVER HEADWATERS
(2019)ABSTRACT Cold-water trout habitat in Wisconsin is projected to significantly decrease as a result of climate change. The extent of habitat loss depends, in part, on groundwater discharge to the stream, which can provide ... -
SEISMIC ARRAYS FOR THE IMAGING OF ALLUVIAL DEPOSITS AND MONITORING ENGINEERING SYSTEMS
(2019)As part of the PoroTomo Project, active and passive seismic data were collected with a three component seismometer array in order to image petrophysical properties of a 1500-m by 500-m by 400-m volume in a geothermal ... -
MECHANICAL PROPERTIES OF POORMAN SCHIST AND WESTERLY GRANITE
(2019)We investigate the influence of foliation orientation and fine-scale folding on the static and dynamic elastic properties and unconfined strength of the Poorman schist. The Poorman schist is the dominant rock type at ... -
District-Scale Geothermal System Performance Evaluation using Thermodynamic and Environmental Analysis
(2019)The focus of the work presented in this thesis aims to improve geothermal heat system efficiency by investigating subsurface thermal properties that influence system performance over the lifetime of the system, as well ... -
Low-Cost Instrumentation Development Using Independent, Self Contained Microcontrollers
(2019)This thesis describes the development and testing of low-cost geophysical and field instrumentation using microcontrollers. While open-source microcontroller boards have traditionally been developed for hobbyists and ... -
THREE-DIMENSIONAL STABILITY ANALYSIS OF BLUFFS ALONG THE LAKE MICHIGAN SHORELINE IN EASTERN WISCONSIN
(2019)The water level in Lake Michigan has been rising since 2013. Historically, erosion of the bluffs along the shoreline has increased during times of lake level increase. Erosion begins at the bluff toe and progresses ... -
ACOUSTIC EMISSIONS ANALYSIS AND 2-D P-WAVE TOMOGRAPHY ALONG A ROUGH LABORATORY FAULT UNDERGOING STICK-SLIP CYCLES
(2018)The distributions and magnitudes of seismicity within fault systems could be highly influenced by the heterogeneity of shear stress field according to the geometric structure, fractures and asperities. However, the ... -
Assessing the Chemical and Physical Characteristics of Aged Recycled Concrete Aggregate in Road Construction
(2018-05-31)EXECUTIVE SUMMARY The use of recycled concrete aggregates (RCA) in pavement construction applications is well established and successful, particularly its use as a granular and/or stabilized base course. However, leaching ... -
Particle Scale Dynamics of Coarse Granular Material
(2018-01-04)Developing a new wheeled or tracked vehicle for military use typically involves physical prototyping of preliminary vehicle designs and field tests to evaluate their performance in a range of conditions. Computational ... -
Rock Mechanics Laboratory Tests Relevant to the in-situ Stress Measurements at the 4850-level, Homestake Mine, Lead, South Dakota
(2018-01-03)Laboratory rock mechanics experiments were conducted on cores taken from the Sanford Underground Research Facility (SURF) (formerly of Homestake Mine) in Lead, South Dakota. Strength properties and their anisotropy were ... -
Methods for Testing the Effect of Hydraulic Gradient on the Polymer Elution of Polymer GCLs
(2018-01-03)Geosynthetic Clay Liners (GCLs) were developed in the 1980’s as an alternative landfill liner or cover material. GCLs are primarily comprised of a layer of processed sodium bentonite (Na-B), generally 7-10 mm thick, ... -
Multi-Sourced Geologic Data Integration: A Time-Based Approach
(2018-01-03)Complications in geological modeling are often made worse by the wide range of formats in which geologic data are stored. When crossing state lines, the names and interpretations of geologic formations may vary, individual ... -
District-Scale Ground Heat Exchange Performance with Fiber Optic Distributed Temperature Sensing
(2018-01-03)Chapter 1: Introduction Ground-source heat pumps (GSHP) systems have great potential as an energy-efficient alternative to conventional space heating and cooling systems. The basic principal behind GSHP technology is ... -
Assessing the Life Cycle Benefits of Recycled Material in Road Construction
(2016-10-11)Executive Summary There is interest in determining and validating the environmental and economic benefits of incorporating recycled materials into road construction using life cycle assessments (LCA) and life cycle cost ... -
Field and Laboratory Measurement of Radon Flux and Diffusion for Uranium Mill Tailings Cover Systems
(2016-10-11)Disposal Facilities for uranium mill tailings have been constructed as required by the Uranium Mine Tailing Radiation Control Act (UMTRCA) of 1978. Nearly all of these facilities rely on a low-permeability, compacted clay ... -
STATE DOT ENVIRONMENTAL AND ECONOMIC BENEFITS OF RECYCLED MATERIAL UTILIZATION IN HIGHWAY PAVEMENTS
(2016-09-30)The use of recycled materials in highway construction has the potential to achieve significant benefits affecting the triple-bottom line (environment, prosperity and society). Although state departments of transportation ... -
Residential and District-Scale Ground-Coupled Heat Pump Performance with Fiber Optic Distributed Temperature Sensing
(2015-05-17)Ground-coupled heat pumps (GCHP) have garnered considerable attention in recent years as an energy-saving alternative to conventional space heating and cooling systems, but there exists some debate about their effectiveness ...
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