Browsing Civil and Environmental Engineering by Title
Now showing items 825-844 of 881
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Testing of Innovative Pipe Renewal Liners for Renovation of Potable Water Distribution Pipelines
(University of Waterloo, 2017-12-19)Trenchless renovation has been in operation since the 1970’s in North America and the United Kingdom. However, it has not been widely accepted due to cost effectiveness concerns. Many Canadian cities are faced with the ... -
Tests on Concrete Beams with GFRP Flexural and Shear Reinforcements & Analysis Method for Indeterminate Strut-and-Tie Models with Brittle Reinforcements
(University of Waterloo, 2014-12-18)This thesis is a summary of research on the use of glass fibre reinforced polymer (GFRP) bars and stirrups as internal reinforcement for concrete beams. Fibre reinforced polymer bars are geometrically similar to conventional ... -
Tests on GFRP Reinforced Concrete Knee-Joints Subjected to Negative Moments
(University of Waterloo, 2017-08-22)The use of glass-fibre reinforced polymers as main reinforcement in concrete structures has become an appealing option for structures in aggressive environments. Concrete knee-joints are joints where the beam and column ... -
Three Dimensional Digital Image Correlation for Dynamic Measurements
(University of Waterloo, 2019-01-25)Structural inspections have traditionally been completed by inspectors using simple tools to determine the health of a structure. The limitations using these techniques led to the development of quantitative sensors such ... -
Thresholds and Sediment Transport Dynamics in an Interbedded Shale and Limestone Controlled Urban Watercourse
(University of Waterloo, 2017-02-13)Sediment transport is a fundamental component of research into river morphology and related engineering practices. The relationship between flow and sediment particle entrainment underpins many of the empirical models used ... -
Time-Dependent Tensile Properties of ETFE Foils
(University of Waterloo, 2011-08-30)The purpose of this thesis is to provide an overview of ETFE foil, as it applies to pneumatic cushion cladding, with a focus on creep behavior of the material. Characteristics of ETFE, including weight, optics, insulation, ... -
Torsion in Helically Reinforced Prestressed Concrete Poles
(University of Waterloo, 2008-08-22)Reinforced concrete poles are commonly used as street lighting and electrical transmission poles. Typical concrete lighting poles experience very little load due to torsion. The governing design loads are typically bending ... -
Towards a Better Understanding of Activated Carbon-Based Amendments for In Situ Treatment of Petroleum Hydrocarbons in Anaerobic Groundwater Systems
(University of Waterloo, 2024-01-11)Injected activated carbon (AC) particulate amendments for the in situ treatment of groundwater impacted by petroleum hydrocarbons (PHCs) is relatively new, and relies on a combination of AC sorption and biodegradation. ... -
Towards a comprehensive framework for foam concrete mix design
(University of Waterloo, 2020-01-23)Foam concrete is a low-density, highly workable cementitious material, created by blending a fine-aggregate paste with a foaming agent. Properties of foam concrete suggest potential for commercial exploitation of the ... -
Towards an Optimized Laboratory Procedure for Accelerated Long-Term Oxidative Aging of Asphalt Mix Specimens
(University of Waterloo, 2018-11-14)Pavement infrastructure forms one of the most important mode of passenger and freight transportation and trade between Canada and the United States, and plays an important role in national economy as a measure of Canada’s ... -
Transit Benefit Index: A Comprehensive Index for Capturing Externalities in Transit Planning
(University of Waterloo, 2022-09-30)Transportation externalities plague all members of society with delays during travel, as well as healthcare costs associated with crashes, unwanted noise, and air pollutants. While attempts have been made to correct these ... -
Transport and Targeted Binding of Polymer-Coated Nanoparticles in Unsaturated Porous Media
(University of Waterloo, 2021-08-25)The effectiveness of most in situ remedial technologies lies on successful delivery of reagents to a target treatment zone. Advances in nanoparticle (NP) materials has led to the targeted delivery concept in which the NP ... -
A Transport-Economic Analysis Framework for Border Crossing Infrastructure Investment Policies
(University of Waterloo, 2019-09-30)Border crossings serve two critical purposes: ensuring the safety and security of a nation; and facilitating trade and movement of people between countries. Inefficient border crossings resulting from insufficient ... -
Treatment of Arsenic Contaminated Groundwater using Oxidation and Membrane Filtration
(University of Waterloo, 2005)Arsenic is a known carcinogen, causing cancers of the skin, lungs, bladder and kidney. Current research suggests that drinking water is the most common pathway for long-term low dose exposure. Arsenic contaminated ... -
The Treatment of High Hardness Waters by Electrocoagulation: Factors Affecting Contaminant Removal, Electrode Fouling, and Precipitate Separation
(University of Waterloo, 2021-12-15)Electrocoagulation (EC) is an emerging electrochemical technology for the treatment of contaminated waters and wastewaters. EC involves the application of electric current to metal electrodes to release metal ions into the ... -
Treatment of the Cyanotoxin Anatoxin-a via Activated Carbon Adsorption
(University of Waterloo, 2015-05-22)Cyanobacteria are bloom-forming aquatic microorganisms that impact many drinking water sources and can produce a variety of toxins, eponymously termed cyanotoxins. Three cyanotoxins are of particular concern in a North ... -
Treatment of the Cyanotoxins Cylindrospermopsin, Microcystin-LR, and Anatoxin-a by Activated Carbon in Drinking Water
(University of Waterloo, 2017-08-23)Cyanotoxins are known to cause human and animal illness, in some cases resulting in death, and their presence in drinking water is a potential risk to public health. Cylindrospermopsin (CYL), microcystin-LR (MC-LR), and ... -
Turbulence structures in isolated pool-riffle units
(University of Waterloo, 2019-01-28)The macroscale morphology of a river has significant effects on sediment transport, flow pattern, bed stability, and ecosystem function. Pools and riffles, which are respectively the deeper and shallower parts of the bed, ... -
A Two-Phase Maintenance and Rehabilitation Framework for Pavement Assets under Performance Based Contracts
(University of Waterloo, 2012-08-30)Traditional Canadian pavement construction contracts provide detailed specifications for the work that needs to be carried out. This is the case for both maintenance and rehabilitation contracts. However, for many road ... -
Typologies of Nitrogen Surplus Across Continental US: Shifting Hotspots and Dominant Controls
(University of Waterloo, 2019-12-17)Flows of reactive nitrogen (N) have significantly increased over the last century, corresponding to increases in the global population. The pressures on the N cycle include human waste, fossil fuel combustion as well as ...