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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 ...
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 ...
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 ...
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, ...
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 ...
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 ...
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 ...