Browsing Civil and Environmental Engineering by Title
Now showing items 166-185 of 862
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Data Fusion for Materials Location Estimation in Construction
(University of Waterloo, 2010-04-29)Effective automated tracking and locating of the thousands of materials on construction sites improves material distribution and project performance and thus has a significant positive impact on construction productivity. ... -
Decentralized Ambient System Identification of Structures
(University of Waterloo, 2013-05-22)Many of the existing ambient modal identification methods based on vibration data process information centrally to calculate the modal properties. Such methods demand relatively large memory and processing capabilities to ... -
Decision Support System for Value-Based Evaluation and Conditional Approval of Construction Submittals
(University of Waterloo, 2010-07-15)To ensure compliance with specifications during construction, a formal review process, called the submittals process is typically implemented, whereby the contractor is required to submit proposals for materials, equipment, ... -
A Deep Learning Approach for Automating Concrete Bridge Defect Assessment Using Computer Vision
(University of Waterloo, 2020-08-21)Current bridge inspection practices are outdated compared to the advanced technologies available today, and there is significant room for improvement. For example, spalls are inspected by visual assessment and delaminations ... -
Deep Reinforcement Learning Models for Real-Time Traffic Signal Optimization with Big Traffic Data
(University of Waterloo, 2021-05-19)One of the most significant changes that the globe has faced in recent years is the changes brought about by the COVID19 pandemic. While this research was started before the pandemic began, the pandemic has exposed the ... -
Defense and Civilian Energy Systems: Security, Sustainability and Survivability Considerations for the 21st Century
(University of Waterloo, 2013-09-13)The United States and NATO Allies have a national security problem that is the product of America being the home of inexpensive and plentiful modern energy. A century of cheap and plentiful domestic supplies of oil has ... -
Delay and Queue Length Estimation at Signalized Intersections Using Archived Automatic Vehicle Location and Passenger Count Data from Transit Vehicles
(University of Waterloo, 2015-05-19)Signalized intersections are typically the capacity bottlenecks within urban road networks. The performance of signalized intersections is typically quantified on the basis of average vehicle delay and maximum queue lengths. ... -
DEMAND MODEL FOR CRUDE OIL RAIL AND PIPELINE SHIPMENTS IN CANADA
(University of Waterloo, 2018-01-24)Global energy demand is expected to increase significantly over the next 10-20 years, and in the absence of an increase in pipeline capacity, Canadian crude oil shipments are likely to be diverted to rail. The current rail ... -
Deployable Vibration Control Systems for Lightweight Structures
(University of Waterloo, 2019-03-27)The recent push towards lightweight, efficient, and innovative structural designs has brought forth a range of vibration control issues related to implementation, effectiveness, and control system design that are not fully ... -
Derivation of Minimum Required Model for Augmented Reality Based Stepwise Construction Assembly Control
(University of Waterloo, 2018-07-05)The global 3D imaging market is expected to reach $26 billion by 2024 with an annual growth of 23.7% (3D Imaging Market Global Scenario, Market Size, Trend and Forecast, 2015 – 2024. 2018). Various industries are extensively ... -
Describing and Evaluating Media Roughness Contributions to Granular Media Filtration
(University of Waterloo, 2014-09-19)The transport and fate of particles including microorganisms during physico-chemical filtration in natural and engineered aquatic environments remains essential for effective and sustainable drinking water treatment and ... -
A description of the electricity system in Spain since 2005 and the economic potential for renewable energy technologies
(University of Waterloo, 2014-01-27)The energy system in Spain can be characterized as being high energy intensive when compared to the rest of Europe and because of its high dependence on imported resources (around 84%). The focus of this document is to ... -
Design and Analysis of Mobility Permit-based Traffic Management Schemes
(University of Waterloo, 2020-05-01)High demand for mobility has undeniably been causing numerous negative impacts on the economy, the society and the environment. As a potential solution to address this challenge, a rapid transition is taking place in the ... -
A Design Approach for Compressed Air Energy Storage in Salt Caverns
(University of Waterloo, 2019-09-27)This thesis develops a first order design approach for compressed air energy storage. The objectives of this thesis are to inform geomechanical design with specific energy delivery needs and mechanical constraints. Often ... -
Design Earthquakes Based on Probabilistic Seismic Hazard Analysis
(University of Waterloo, 2012-09-19)Earthquake is one of the most destructive natural disasters leading to financial, environmental, and even human losses. The most effective approach to prevent losses induced by structural damage is seismic design for ... -
Design of a Remote, Integrated, Automatic and Continuous Bedload Sediment Transport Monitoring Station and Application in a Rural Stream in Southern Ontario
(University of Waterloo, 2021-01-07)The form and function of a stream network is directly influenced by natural processes and human activities that occur within the watershed. Human modifications in the form of urban and agricultural development alter natural ... -
Despiking Velocimetric Data with 2D ARMA Models and the Role of Impulse in Sediment Movement on Variable Bed Slopes
(University of Waterloo, 2015-01-14)The link between hydrodynamics and morphology of river bedforms is an ongoing field of research. Existing studies have been unable to provide a complete understanding of the physical conditions required to initiate sediment ... -
Detecting pathogenic Yersinia enterocolitica in surface water from the Grand River watershed: An evaluation and comparison of methods
(University of Waterloo, 2008-05-21)Yersinia enterocolitica are potentially pathogenic bacteria transmitted through the fecal oral route. Typical disease symptoms include those associated with gastrointestinal disease, although infection can also lead to ... -
Determinants of Rapid Transit Planning Processes in Ecuador
(University of Waterloo, 2021-06-21)This research presents a novel framework for the quantitative and qualitative analysis of rapid transit planning processes based on a mixed-method approach, along with the corresponding results: the relative importance of ... -
Determining the Critical Degree of Saturation of Brick Using Frost Dilatometry
(University of Waterloo, 2009-08-28)Improving the energy efficiency of the existing building stock is beneficial in terms of reducing both operational cost and environmental impact. Solid, load bearing masonry buildings comprise an appreciable part of the ...