Browsing Civil and Environmental Engineering by Title
Now showing items 629-648 of 880
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Partial Joint Penetration Welds in Aluminum Structures
(University of Waterloo, 2020-09-29)Aluminum structures are becoming more and more common in Canada and the world as engineers and decision-makers become more aware of the possibility to lower life cycle costs. Aluminum's corrosion resistance, light weight ... -
Pavement Deterioration and PE Pipe Behaviour Resulting from Open-Cut and HDD Pipeline Installation Techniques
(University of Waterloo, 2007-09-17)The damaging impact of continuous utility cuts on flexible pavement performance has been shown to be a major problem for urban roads and pavement mangers due to high reconstruction and maintenance costs. Horizontal Directional ... -
Pavement Flooding Risk Assessment and Management in the Changing Climate
(University of Waterloo, 2020-01-15)Flooding, which can cause substantial infrastructure damages resulting in adverse social, environmental, and economical consequences, is a rising concern in the changing climate. Road networks consisting of interconnected ... -
Pavement Performance Modeling of Unique Crosswalk Designs
(University of Waterloo, 2010-08-30)Interlocking Concrete Pavements also known as block pavements are one of the integral parts of the pavement system in Europe. The use of ICP slowly extended to other countries including North America. As the usage increased ... -
Pavement Performance Prediction Using Machine Learning and Instrumentation in Smart Pavement
(University of Waterloo, 2022-09-19)The optimization of pavement Maintenance and Rehabilitation (M&R) planning and costs has been historically proven as a complex task. In recent years, Artificial Intelligence (AI) and Machine Learning (ML) applications in ... -
Performance Comparison of Large Diameter Residential Drinking Water Wells
(University of Waterloo, 2010-01-20)Published scientific work indicates that residential large diameter drinking water wells are at a higher risk of contamination from surface water impacts than drilled wells. The possibility of a higher incidence of ... -
Performance Evaluation of Recycled Asphalt Shingles (RAS) in Hot Mix Asphalt (HMA): An Ontario Perspective
(University of Waterloo, 2011-04-12)Today, a large quantity of waste is generated from the replacement of residential and commercial roofs. Many of the roofs being upgraded with previously constructed from asphalt shingles. Recycled Asphalt Shingles (RAS) ... -
Performance Modeling and Simulation for Water Distribution and Wastewater Collection Networks
(University of Waterloo, 2016-12-14)Over the past decade many performance indicators have been developed for water and wastewater utilities. While existing performance indicators allow utilities to track performance over time and with respect to utility set ... -
Performance of Biological Filters for Drinking Water Treatment and Their Use for High Pressure Membrane Biofouling Control
(University of Waterloo, 2016-01-18)Biofiltration is a promising green drinking water treatment technology that can reduce the concentration of biodegradable organic matter (BOM) in water. Direct biofiltration or biofiltration without pretreatment (BFwp) ... -
Performance of Large Diameter Residential Drinking Water Wells - Biofilm Growth: Laboratory and Field Testing
(University of Waterloo, 2011-11-23)In the first phase of this project three enhanced large diameter (> 60 cm) residential wells were constructed at a study site in Lindsay, Ontario. Two wells were constructed using concrete tile casing while the other well ... -
Performance of Load-Bearing Cold-Formed Steel Wall Systems with Web-Perforated Studs Subjected to Standard Fire
(University of Waterloo, 2017-01-23)Load-bearing cold-formed steel (CFS) wall systems are commonly constructed with CFS C-shape studs with one or two layers of fire-rated sheathing attached to both sides. In practice, perforations are placed in stud webs to ... -
Performance of Pillars in Rock Salt Mines
(University of Waterloo, 2010-09-30)The viscoelastic and creep properties of salt create challenges in the design of salt mines. Salt undergoes steady state creep for a long period of time, and the time of failure is not easily predicted. Developing functions ... -
The Performance of Rainscreen Walls in Coastal British Columbia
(University of Waterloo, 2007-09-11)This thesis examines the widespread moisture problems which emerged over the past twenty years in buildings throughout coastal British Columbia, commonly known as ‘leaky condos’. A literature review of building physics and ... -
Performance of Soil Borehole Thermal Energy Storage System under Different Natural and Engineered Subsurface Conditions
(University of Waterloo, 2023-12-18)Borehole thermal energy storage (BTES) system, a type of underground thermal energy storage (UTES) systems, is a promising technology for sustainable space heating. BTES stores thermal energy in subsurface media (rock or ... -
Performing Short-Term Travel Time Prediction on Arterials
(University of Waterloo, 2014-09-23)As urban centers become larger and more densely developed, their roadway networks tend to experience more severe congestion for longer periods of the day and increasingly unreliable travel times. Proactive traffic management ... -
Persulfate Oxidation Coupled With Microbial Sulfate Reduction as a Combined Remedy
(University of Waterloo, 2015-01-20)Groundwater contamination by petroleum hydrocarbon (PHC) compounds including the high impact and persistent aromatic compounds such as benzene, toluene, ethyl benzene and xylene (BTEX) poses serious risk to human health ... -
Persulfate Persistence and Treatability of Gasoline Compounds
(University of Waterloo, 2010-08-06)Petroleum hydrocarbons (PHCs) such as gasoline are ubiquitous organic compounds present at contaminated sites throughout the world. Accidental spills and leakage from underground storage tanks results in the formation of ... -
Phosphorus Removal and Recovery from Wastewater using Sorbent Technologies
(University of Waterloo, 2018-08-03)Phosphorus (P) is an essential nutrient in fertilizers that are necessary for food production. Wastewater may represent a renewable source of nutrients if methods for recovering P from dilute wastewater streams can be ... -
Phosphorus Sequestration for Control of Cyanobacterial Growth in Drinking Water Reservoirs
(University of Waterloo, 2016-10-05)Engineered drinking water reservoirs are designed to facilitate particle settling for reduction of turbidity prior to conveyance to a drinking water treatment plant (DWTP). Fine cohesive sediment particles can carry ... -
The pie sharing problem: Unbiased sampling of N+1 summative weights
(Elsevier, 2022-02)A simple algorithm is provided for randomly sampling a set of N+1 weights such that their sum is constrained to be equal to one, analogous to randomly subdividing a pie into N+1 slices where the probability distribution ...