Civil and Environmental Engineering: Recent submissions
Now showing items 21-40 of 880
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Investigating the effects of glass-fibre-reinforced polymer fabrics and bars on the flexural behaviour of sawn timber and glulam beams
(University of Waterloo, 2023-09-11)As climate change becomes an increasingly pressing issue worldwide, the buildings and construction industry remains to be a significant contributor to global carbon emissions. To address this, construction materials with ... -
Quantification of PFAS Fate in Sludge Handling Systems
(University of Waterloo, 2023-08-14)Per- and polyfluoroalkyl substances (PFAS) have been detected in biosolids, raising concerns regarding their potential leaching into soils, groundwater, and plants when biosolids are land applied. In this study, the fate ... -
Micro- and Nanoplastics Removal through Drinking Water Treatment Processes: Insights from Published Investigations and Development of a Possible Regulatory Approach
(University of Waterloo, 2023-08-02)Micro- and nanoplastics (MNPs) have emerged as significant environmental pollutants with potential implications for human health. The presence of MNPs in freshwater bodies, such as lakes, rivers, and sometimes groundwater, ... -
Understanding the fundamentals and application of electrically conductive biofilm in dry digestion
(University of Waterloo, 2023-07-27)The application of microbial electrolysis cell assisted anaerobic digestion (MEC-AD) system for dry digestion to recover methane from food waste (FW) is promising. Understanding the extracellular electron transfer (EET) ... -
Leveraging Deep Learning and Advanced Statistical Methods for Investigating the Fate and Transport of Microplastics in a Waste Water Treatment Plant
(University of Waterloo, 2023-07-26)Microplastics (MPs), defined as plastic particulates smaller than 5mm, pose significant environmental concerns due to their widespread distribution, adverse ecological impacts, and potential human health implications. The ... -
Studies on Nonlinear and Dynamic Soil Structure Interaction
(University of Waterloo, 2023-07-21)High-speed trains, excessive loads in moving trucks, and vibrating machines on foundations on soft ground can generate significant vibration and deformation in the subgrade (soil). Better understanding and realistic analysis ... -
Inertial, Transient, and Turbulent Flow through Deformable and Propagating Fractures: Theory and Computational Engineering
(University of Waterloo, 2023-07-20)Fluid flow in deformable fractures is important to many natural and industrial geological engineering applications including contaminant transport, geothermal energy, and hydraulic stimulation. Large-scale simulations of ... -
Proof of Concept: A Relocatable Panelized Mass Timber Modular Building System Designed for Disassembly and Reassembly
(University of Waterloo, 2023-06-28)Canada has been experiencing a housing crisis for several years now with specifically Ontario having the lowest housing supply in the country. To combat this crisis, several rapid housing initiatives and projects have been ... -
Nonlinear Finite Element Analysis of Influence of Support Geometry on the Punching Shear Behaviour of Reinforced Concrete Slabs
(University of Waterloo, 2023-06-23)Due to their many benefits including ease of construction, open floor plans and reduced cost reinforced concrete flat slabs are one of the most common structural systems. However, these systems, particularly flat slabs ... -
Fatigue Testing and Analysis of Aluminum and Steel Partial Joint Penetration (PJP) Welds for Bridge Applications
(University of Waterloo, 2023-05-30)Partial joint penetration (PJP) welds are a cost-effective alternative to full penetration welds and have certain advantages, especially in situations where a full penetration weld is unnecessary and the stress on the weld ... -
Direct Method of Generating Floor Response Spectra for Structures under Earthquake Excitations at Multiple Supports
(University of Waterloo, 2023-05-15)Floor Response Spectra (FRS) are commonly used as seismic input in the safety assessment for secondary systems in the nuclear power industry. Efficient and accurate determination of FRS is crucial in the design of nuclear ... -
Optimization of the Use of Post-Industrial Recycled Multilayer Plastic Packaging (MPP) as Asphalt Modifier
(University of Waterloo, 2023-04-27)The quality of road infrastructure significantly impacts the safety and comfort of road users and the country's economy. In Canada, 15% of roads are rated poor or very poor, with 108,000 km in poor condition, costing drivers ... -
Development and Evaluation of Testing Protocols for Fatigue Damage and Crack-Healing of Bituminous Mixtures
(University of Waterloo, 2023-04-26)Fatigue testing is a very important performance test for asphalt concrete mixtures and has been studied for many years with varying levels of success. However, there are several imperfections in the commonly used fatigue ... -
Investigating and Developing Fatigue-Healing Characterization of Asphalt Materials
(University of Waterloo, 2023-04-25)Canada’s aging highway network, consisting of over 1.1 million kilometres of roads, is a vital component in ensuring the safe and reliable day-to-day movement of people and goods. Flexible asphalt pavements experience ... -
Upscaling Fill-and-Spill Hydrologic Processes
(University of Waterloo, 2023-04-25)Low-gradient landscapes found in parts of the Taiga Plains and the North American Prairies can be dominated by many depressional wetlands with variable storage capacity. Runoff from these regions is influenced by the local ... -
Using Machine Learning to Understand the Hydrologic Impacts of Permafrost Thaw-Driven Land Cover Change
(University of Waterloo, 2023-04-25)Discontinuous permafrost regions are experiencing a change in land cover distribution as a result of permafrost thaw. In wetlands interspersed with discontinuous permafrost, climate change is particularly problematic because ... -
Development of Sustainable Asphalt Mix Solution for use in Approach Intersection Pavements in Southern Ontario
(University of Waterloo, 2023-04-24)Due to the continuous rise in heavy truck traffic and the impacts of climate change, York Region is facing premature pavement failure at many of its heavy truck traffic intersections, primarily in the form of deformation ... -
Improving Predictive Models for Road Safety Screening: Cost-Benefit Data Analytics and Deep Generative Models
(University of Waterloo, 2023-04-17)The process of identifying the sites (e.g., road segments, intersections) within a road network that are most in need of detailed safety audits and interventions with the most potential for improvement is known as road ... -
Development of Porous Rubber Pavement for the Canadian Climate
(University of Waterloo, 2023-04-11)Permeable pavement usage in North America has increased over the last decade as a viable stormwater management system. Porous Rubber Pavement (PRP) is a new material in this category which has been currently utilized as a ... -
A Rapid Field Method to Estimate the Concentration of Sorbing Particulate Amendments in Soil Samples
(University of Waterloo, 2023-04-11)The immobilization of plumes of contaminants in groundwater via in-situ adsorption is an emerging remediation technology. This technology involves injecting adsorbent particles into the subsurface to form a stationary ...