Browsing Civil and Environmental Engineering by Title
Now showing items 62-81 of 881
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An Automated Quality Assurance Procedure for Archived Transit Data from APC and AVL Systems
(University of Waterloo, 2010-08-30)Automatic Vehicle Location (AVL) and Automatic Passenger Counting (APC) systems can be powerful tools for transit agencies to archive large, detailed quantities of transit operations data. Managing data quality is an ... -
Automated Recognition of 3D CAD Model Objects in Dense Laser Range Point Clouds
(University of Waterloo, 2008-08-11)There is shift in the Architectural / Engineering / Construction and Facility Management (AEC&FM) industry toward performance-driven projects. Assuring good performance requires efficient and reliable performance control ... -
Automatic feature selection and weighting for the formation of homogeneous groups for regional IDF estimation
(Elsevier, 2019-08)The intensity-duration frequency (IDF) curve has been used as an effective tool to quantify the risk associated with the impact of extreme rainfall on civil infrastructure. However, recent changes in the rainfall climatology ... -
An Automatic Image Recognition System for Winter Road Condition Monitoring
(University of Waterloo, 2011-02-22)Municipalities and contractors in Canada and other parts of the world rely on road surface condition information during and after a snow storm to optimize maintenance operations and planning. With an ever increasing ... -
Automatic Transit Schedule Updating Using AVL/APC System
(University of Waterloo, 2018-09-11)Observing and fixing transit vehicle’s schedule adherence problems have always been one of the main priorities of a transit agency, and different approaches have been developed over time to help reflect transit vehicle’s ... -
Automatically Assessing the Need for Traffic Signal Retiming Using Connected Vehicle Data
(University of Waterloo, 2023-11-27)Traffic signal controllers are a critical element in managing urban traffic systems effectively. The emergence of Automated Traffic Signal Performance Measures (ATSPM), aided by recent technological advancements, allows ... -
Automating and Optimizing a Transportation Mode Classification Model for use on Smartphone Data
(University of Waterloo, 2015-04-01)As transportation engineering and planning evolve from “data poor” to “data rich” practices, methods to automate the collection and translation of data to information become increasingly important. Advances in wireless ... -
Automating Water Capital Activities Using Naïve Bayes Classifier with Supervised Learning Algorithm
(University of Waterloo, 2021-08-09)Municipal governments have the responsibility to provide safe drinking water to residents. Maintaining water infrastructure systems to keep a certain level of service is a vital service. It is possible by assessing all ... -
Bayesian Inference of Stochastic Degradation Models: A Likelihood-Free Approach
(University of Waterloo, 2021-09-03)The structural integrity and system performance of large engineering systems are adversely affected by various forms of degradation mechanisms. Modeling of such mechanisms is accomplished by collecting degradation data ... -
Bayesian Modeling of Pitting Corrosion in Steam Generators
(University of Waterloo, 2007-09-05)Steam generators in nuclear power plants experienced varying degrees of under-deposit pitting corrosion. A probabilistic model to accurately predict pitting corrosion is necessary for effective life-cycle management of ... -
Bayesian Nonparametric Dirichlet Process Mixture Modeling in Transportation Safety Studies
(University of Waterloo, 2017-08-08)In transportation safety studies, it is often necessary to account for unobserved heterogeneity and multimodality in data. The commonly used standard generalized linear models (e.g., Poisson-gamma models) do not fully ... -
Bedload sediment transport regimes of urban gravel-bed rivers under different management scenarios
(University of Waterloo, 2019-12-09)Watershed urbanization profoundly alters the hydrologic characteristics of urban rivers compared to their rural counterparts. This change in hydrologic conditions in combination with alterations to the sediment supply ... -
Behaviour of Post-Tensioned Slab Bridges with FRP Reinforcement under Monotonic and Fatigue Loading
(University of Waterloo, 2013-07-02)The introduction of fibre-reinforced polymers (FRPs) to the field of civil engineering has led to numerous research efforts focusing on a wide range of applications where properties such as high strength, light weight or ... -
Behaviour of PVC Encased Reinforced Concrete Walls under Eccentric Axial Loading
(University of Waterloo, 2014-01-23)Stay-in-place (SIP) formwork has been used as an alternative to the conventional formwork system. The systems are mainly assembled on site, hence simplifying the construction process and reducing the construction time as ... -
Behaviour of Shear Critical RC Beams with Corroded Longitudinal Steel Reinforcement
(University of Waterloo, 2010-09-29)This thesis discusses the results of an experimental program designed to investigate the effect of corrosion on the behaviour of shear critical reinforced concrete (RC) beams. The results of twenty RC beams (ten deep beams ... -
Behaviour of Shear-Critical Reinforced Concrete Beams Strengthened with Fiber Reinforced Cementitious Mortar
(University of Waterloo, 2016-08-31)Extensive research has been conducted on strengthening of shear-critical reinforced concrete (RC) beams, particularly using fiber reinforced polymer (FRP) strengthening systems. This previous research has helped to better ... -
Behavioural Economics: Application to Quotidian Construction Decisions
(University of Waterloo, 2015-07-20)Working on a construction project requires making important decisions quickly and frequently. Most of these decisions are made under risk in that the outcomes are not known, but their probabilities and impacts can be ... -
A Bench-scale Evaluation of the Removal of Selected Pharmaceuticals and Personal Care Products by UV and UV/H₂O₂ in Drinking Water Treatment
(University of Waterloo, 2006-12-22)A bench-scale study of the degradation of four selected pharmaceuticals and personal care products (PPCPs) was carried out using UV and UV/H₂O₂ treatment employing low pressure (LP) and medium pressure (MP) lamps. The ... -
Benchmarking the Sustainability of Sludge Handling Systems in Small Wastewater Treatment Plants in Ontario
(University of Waterloo, 2018-08-20)This project quantitatively benchmarked all aspects of sludge handling in a cross-section of small wastewater treatment plants across Ontario. Using plant operational data and on-site measurements, a variety of sustainability ... -
Best Productivity Practices Implementation Index (BPPII) for Infrastructure Projects
(University of Waterloo, 2013-08-22)According to the Nobel Prize winner Paul Krugman, “productivity isn’t everything, but in the long-run it is almost everything”. It is unfortunate that the productivity in the construction industry has lagged behind the ...