Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 182-201 of 273
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MODELING CAPACITY: MULTIPLE WEAVING AREAS
(2021-07-06)Systematic, well-designed research provides the most effective approach to the solution of many problems facing highway administrators and engineers. Traffic congestion on freeway systems is one significant concern in urban ... -
Modeling Leachate BOD And COD Using Lab-scale Reactor Landfills And Multiple Linear Regression Analysis
(Civil & Environmental Engineering, 2013-03-20)The increasing production of municipal solid waste is a direct consequence of the continuous growth of the world's population and economy. This fact makes protecting the environment against contamination by different kinds ... -
Modeling of hydrogen sulfide generation and rates of microbial induced concrete corrosion in manhole shafts
(2021-08-31)Manhole shafts can undergo infrastructure failure due to microbially induced concrete corrosion (MICC). Deterioration of the sewer systems by MICC process occurs due to the volatilization of hydrogen sulfide into the gas ... -
Modeling Unsaturated Soil Response Under Suction-controlled Multi-axial Stress States
(Civil & Environmental Engineering, 2008-04-22)In this research work, a novel suction-controlled true triaxial testing apparatus has been developed to test 3-in (7.5-cm) side, cubical specimens of unsaturated soil under controlled-suction states for a wide range of ... -
MOISTURE DISTRIBUTION EFFICIENCY AND PERFORMANCE EVALUATIONS OF BIOREACTOR LANDFILL OPERATIONS
(2016-11-30)Bioreactor landfills are operated in a modern engineered way to accelerate waste decomposition, gas production, and waste stabilization. The major aspect of a bioreactor landfill operation is associated with the addition ... -
Multi-criteria Assessment For Supporting Freeway Operations And Management Systems
(Civil & Environmental Engineering, 2009-09-16)Freeway traffic congestion represents an increasing concern for urban areas throughout the United States. In addition, faced with limited roadway expansion alternatives, transportation agencies are considering investment ... -
MULTISORB: A LOW-COST APPROACH TO REMOVE MULTIPLE METALS AND ORGANICS FROM LEACHATE AND WASTEWATER
(2022-08-03)**Please note that the full text is embargoed until 8/2/2024** ABSTRACT: Landfill leachates are considered now as a reusable source of water. Even irrigation projects are now considering use of non-traditional water sources, ... -
Nano-modified Cement Composites And Its Applicability As Concrete Repair Material
(Civil & Environmental Engineering, 2011-10-11)Nanotechnology or Nano-science, considered the forth industrial revolution, has received considerable attention in the past decade. The physical properties of a nano-scaled material are entirely different than that of bulk ... -
A New Paradigm In User Equilibrium - Application In Managed Lane Pricing
(Civil & Environmental Engineering, 2010-03-03)Ineffective use of the High-Occupancy-Vehicle (HOV) lanes has the potential to decrease the overall roadway capacity during peak periods. Excess capacity in HOV lanes during peak periods can be made available to other ... -
Non-Destructive Evaluation of Soil Moisture in Evapotranspiration Cover System
(2017-12-07)A conventional landfill cover system is designed as a barrier layer system, with low hydraulic conductivity, to minimize the percolation of water from the cover to the waste. Evapotranspiration (ET) covers are currently ... -
A Non-invasive Assessment Of Moisture Content Of Municipal Solid Waste In A Landfill Using Resistivity Imaging
(Civil & Environmental Engineering, 2011-10-11)A bioreactor landfill is operated to enhance waste decomposition, gas production, and refuse stabilization. The fundamental aspect in the operation of a bioreactor landfill is the controlled addition of water and/or the ... -
Non-linear Finite Element Dynamic Analysis Of Tapered Hollow Steel Poles For Passive Base Isolation
(Civil & Environmental Engineering, 2008-08-08)Long tapered poles are commonly used to support Closed Circuit Television (CCTV) Cameras for security and traffic monitoring. Images received from CCTV are normally distorted depending on the wind induced vibration ... -
Non-linear Finite Element Dynamic Analysis Of The Effect Of Compaction On Underground Conduits
(Civil & Environmental Engineering, 2010-03-03)Construction loads are an important but often overlooked factor in underground pipe design and installation. Common compaction equipments used in pipeline construction can be a major contributor to pipe damage. To reduce ... -
Non-linear Finite Element-based Material Constitutive Law For Zero Slump Steel Fiber Reinforced Concrete Pipe Structures
(Civil & Environmental Engineering, 2014-03-12)This study presents a comprehensive investigation of performance and behavior of steel-fiber reinforced concrete pipes (SFRCP). The main goal of this study is to develop the material constitutive model for steel fiber ... -
NOVEL APPROACH FOR SELECTIVE DECOMPOSITION OF TARGET WATER CONTAMINANTS ONTO POROUS TITANIUM DIOXIDE
(2017-01-12)Manipulation of physical and chemical properties of matter with nanoscale precision will enhance our ability for fabrication of material with intended characteristics for environmental applications. In this study we presented ... -
NOVEL INFRASTRUCTURE MONITORING USING MULTIFACETED UNMANNED AERIAL VEHICLE SYSTEMS - CLOSE RANGE PHOTOGRAMMETRY (UAV - CRP) DATA ANALYSIS
(2018-12-06)Remote sensing is a method of collecting data without making any physical contact with the object under inspection. Modern day remote sensing kicked off with the invention of the camera and continued on to the invention ... -
Novel Stabilization Methods For Sulfate And Non-sulfate Soils
(Civil & Environmental Engineering, 2009-09-16)Expansive soils are commonly found in arid and semi-arid climate zone. These soils typically exhibit moderate to high plasticity, low to moderate strength, and high swell and shrinkage characteristic which in turn result ... -
NUMERICAL AND EXPERIMENTAL INVESTIGATION OF BURIED LARGE-DIAMETER STEEL PIPES WITH CONTROLLED LOW-STRENGTH MATERIAL
(2016-08-12)The main goal of this research was to gain an in-depth understanding of the behavior of buried large-diameter pipes with controlled low-strength material (CLSM). Design equations were developed based on extensive parametric ... -
Numerical Modeling Of Ground Movements Associated With Trenchless Box Jacking Technique
(Civil & Environmental Engineering, 2014-09-17)The Trenchless Technology (TT) is defined as a family of methods used to install, renew, replace or renovate new pipe/box or existing pipe/box underground with little or no surface disruption. TT is divided into two main ... -
Numerical Simulation of Hydrodynamic Forces on Riverine and Coastal Bridges Subjected to Extreme Weather Events
(2023-01-02)Recent bridge failures due to hurricane-generated storm surges and riverine flood events have highlighted the vulnerability of bridge infrastructure to extreme hydrodynamic loading. In addition to posing an immediate risk ...