Browsing MS Theses - DO NOT EDIT by Issue Date
Now showing items 1-20 of 313
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Performance And Check-out Verification Testing Of A New True Triaxial Apparatus Using Partially Saturated Silty Sand
(Civil & Environmental Engineering, 2007-08-23)A stress-controlled, flexible boundary, true triaxial (cubical) testing apparatus has been developed to test 3-inch cubical specimen of partially saturated soil under different moisture contents and for a wide range of ... -
Expressions For Bond Stress Of A Tension Splice In Steel Reinforced Concrete
(Civil & Environmental Engineering, 2007-08-23)The aim of the research is to develop expressions for the bond stress at a tension splice in reinforced concrete. Many experiments have been conducted inorder to ascertain the relationship between appropriate variables and ... -
Experimental Studies To Address Strengths Of Limestone Cores, Sulfate Heave Problems In Limestone Cores And Tunnel Lining
(Civil & Environmental Engineering, 2007-08-23)Sulfate induced heave is a common scenario in tunnels located on sedimentary rocks containing Pyrites. Pyrite oxidation produces Gypsum which is a major source of natural sulfates. DART NC -1B tunnel is located in Dallas, ... -
Nonlinear Finite Element Model Analysis Of Human Accommodation Lens
(Civil & Environmental Engineering, 2007-08-23)The crystalline human lens is modeled by using the finite element software, ABAQUS/CAE Version 6.5-1 as an axisymmetric shell to study the optical power and displacement of anterior and posterior poles induced due to zonule ... -
Determination Of Safe Buffer Width Of Roadway To Protect Human Health Form Harmful NOx Exposure
(Civil & Environmental Engineering, 2007-08-23)According to the 2004 EPA Trends Report, US on-road transportation sources emit 36% of nitrogen oxides (NOx), 63% of carbon monoxide (CO), and 29% of volatile organic compounds (VOCs). This research determines a safe roadway ... -
Nonlinear Finite Element-based Investigation Of The Effect Of Bedding Thickness On Underground Pipe
(Civil & Environmental Engineering, 2007-08-23)The pipe-soil interaction is studied by using the finite element software, ABAQUS/CAE Version 6.5-1 as a symmetric model of embankment installation to study the effect of bedding property and thickness on pipe-soil interaction ... -
Investigation Of Bamboo As Reinforcement In Concrete
(Civil & Environmental Engineering, 2007-08-23)This study investigated the feasibility of using bamboo as a reinforcement alternative to steel in concrete structural members. The specifications studied were the bamboo's tensile strength and its pullout characteristics ... -
Evaluation Of Texas Cone Penetrometer Test To Predict Undrained Shear Strength Of Clays
(Civil & Environmental Engineering, 2007-08-23)The cone penetration test used in Texas is termed as Texas cone penetrometer (TCP), which works on dynamic principles similar to those of SPT, i.e. a hammer is used to drive the cone device for a preset depth of penetration ... -
Impacts Of Signal Synchronization On Vehicular Emissions - An On-board Measurement Case Study
(Civil & Environmental Engineering, 2007-08-23)Nearly 56% of total nitrogen oxide (NOx) emissions are produced by mobile sources. Transportation and air quality managers at the state and regional level have the responsibility of developing and evaluating Transportation ... -
Field And Experimental Studies To Assess The Performance of Stabilized Expansive Clay
(Civil & Environmental Engineering, 2007-08-23)A vast majority of the expansive soils are montmorillonite-rich clays, over consolidated clays and shales. The swell and shrinkage movements of expansive soil cause considerable damage to structures such as buildings and ... -
Performance Evaluation Of Bamboo Reinforced Concrete Beams
(Civil & Environmental Engineering, 2007-08-23)This study presents the evaluation of the feasibility of the use of bamboo as a potential reinforcement in concrete structural members. To achieve this objective a series of tensile tests on three types of bamboo Solid; ... -
Removal Of Carbonyl Sulfide Using Compost Biofilter: Measurement Of Removal Rates And Elimination Capacity In Conjunction With Hydrogen Sulfide
(Civil & Environmental Engineering, 2007-08-23)A lab study using biofiltration was conducted using three PVC columns as biofilters, with hardwood chips and compost as the media. Previous research determined the removal efficiency of carbonyl sulfide alone. (Nawal, 2004) ... -
Permeability Of Municipal Solid Waste In Bioreactor Landfill With Degradation
(Civil & Environmental Engineering, 2007-08-23)Bioreactor landfills are operated and controlled to accelerate refuse decomposition, gas production and biological stabilization of the municipal solid waste (MSW). Leachate recirculation in bioreactor landfill creates a ... -
Stated Preference Modeling And Analysis Of Managed Lanes
(Civil & Environmental Engineering, 2007-08-23)The thesis deals with the Managed Lanes demand estimation problem in the state of Texas. Managed Lanes are a general type of High Occupancy Toll roads, whose lane management and operational features may be dynamically ... -
Regional Prioritization Of Corridors For Traffic Signal Retiming
(Civil & Environmental Engineering, 2007-08-23)Every three to four years, the North Central Texas Council of Governments (NCTCOG) funds signal retiming projects to improve air quality in the Dallas-Fort Worth region. As sufficient funds are not available to retime all ... -
Characterization Of Cemented And Fiber-reinforced RAP Aggregate Materials For Base/ Sub-base Applications
(Civil & Environmental Engineering, 2007-08-23)The engineering product known as RAP is a bonded base and sub-base material produced by the process of blending crushed recycled construction and demolition waste and debris to specified gradation requirements, and by ... -
Photocatalytic Degradation Of VOCs, Toxics And Odors From Air Emissions Of Wastewater Treatment Plants And Municipal Solid Waste Landfills
(Civil & Environmental Engineering, 2007-08-23)The 1990 Clean Air Act Amendments (CAAA) require more stringent controls of sources of volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). Air quality managers at the state level are responsible for ... -
Comparison Of Clinoptilolite With Gravel In A Recirculating Course Media Biofilter Treating Simulated Septic Tank Effluent
(Civil & Environmental Engineering, 2007-08-23)The main objective of the pilot scale study was to compare the performance of recirulating clinoptilolite biofilter with course gravel biofilter used to treat simulated septic tank effluent by simultaneous nitrification ... -
Assessment Of Soil-water Retention Properties Of Lime And Cement Treated Clays
(Civil & Environmental Engineering, 2007-08-23)The soil-water characteristic curve (SWCC) of unsaturated soils has considerable importance in the analysis of geotechnical engineering problems involving soils that remain under partially saturated conditions throughout ... -
Experimental Investigation Of Shear Capacity Of Precast Reinforced Concrete Box Culverts
(Civil & Environmental Engineering, 2007-08-23)This study presents the experimental investigation of the shear capacity of four precast rinforced concrete box culverts. Each culvert was subjected to a monotomically increasing load through a 20-in x 10-in load plate, ...