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Now showing items 71-80 of 291
New Methods for Predicting Critical Tensile Strains in an M-E Framework
(2012-12-06)
As mechanistic-empirical pavement design comes to the forefront of design, the accurate prediction of critical tensile strains at the bottom of the asphalt concrete (AC) becomes increasingly more important to predict fatigue ...
Development and Application of One Dimensional Multi-component Reactive Transport Models
(2012-12-14)
The overarching goal of this dissertation is to develop reactive transport models and explore their applications to groundwater remediation problems. The primary focus of this dissertation is aimed at developing models ...
Experimental and Modeling Investigation of Arsenate adsorption on Synthetic Iron-coated sand
(2011-04-21)
Arsenic is an environmental contaminant of worldwide concern due its high toxicity and presence in groundwater aquifers. Adsorption of arsenic onto metal-oxides is an important phenomenon that locally controls the transport ...
Fatigue Testing and Design of Large Diameter Shear Studs Used in Highway Bridges
(2011-07-19)
Headed studs are commonly used to transfer shear forces along the interface of the steel beam and concrete deck in composite highway bridge girders. Typical stud diameters used in composite bridge design are less than 1". ...
Statistical Model Development for Estimating Bicycle Rack Usage at Auburn University
(2011-05-17)
The objective of this research was to develop and evaluate statistical models to estimate bicycle rack usage for a university campus environment. An analysis was conducted on bicycle rack usage data, collected in 2008, ...
Evaluating Maintenance Techniques for Long-Term Vegetation Establishment on Disturbed Slopes in Alabama
(2011-06-28)
Sustainability of common bermudagrass on formerly disturbed slopes in Alabama has proven to be a difficult task in some cases. Failures of once successful stands of bermudagrass can be seen throughout Alabama on road ...
Process Control Factors for Continuous Microbial Perchlorate Reduction in the Presence of Zero-Valent Iron
(2011-05-11)
Water is a staple of civilization, and in the event of drinking water contamination the use of the contaminant’s source should be discontinued. Alternatively, a technology that can remove the contaminant from the water ...
Transfer Length in Bulb-Tee Girders Constructed with Self-Consolidating Concrete
(2011-05-11)
This thesis is focused on the transfer bond behavior of self-consolidating concrete (SCC) relative to conventionally vibrated concrete (CVC) in full-scale, plant-cast, prestressed concrete bulb-tee girders for implementation ...
Simulations of watershed response to land use and climate change in the Saugahatchee Creek Watershed using the WARMF model
(2011-07-28)
During recent years, land surfaces have been markedly transformed with artificial land cover limiting natural forests, accompanied by urbanization. The atmospheric concentration of greenhouse gases is believed to be ...
Local and National Scale Energy Calibration of Standard Penetration Test Hammers
(2012-03-27)
A Standard Penetration Test (SPT) energy testing program was developed for the
Alabama Department of Transportation. Six Central Mine Equipment (CME) automatic
hammers were calibrated using force and velocity measurements. ...