Browsing Civil and Environmental Engineering by Title
Now showing items 314-333 of 880
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An Evaluation of Alternatives for Enhancing Anaerobic Digestion of Waste Activated Sludge
(University of Waterloo, 2010-04-30)Waste activated sludge (WAS) is one of the largest by-products of biological wastewater treatment. Anaerobic digestion of WAS is beneficial for several reasons. In an ever increasingly energy conscientious world the ... -
Evaluation of Cold Weather Performance of Rubber Modified Asphalt Placed in Ontario
(University of Waterloo, 2014-07-29)Canada has close to 900,000 km of roads, which are key to supporting the Canadian economy as they enable for efficient transportation of goods and services. The Canadian road network should be well maintained and perform ... -
Evaluation of Different Techniques for Repair of Shear-span Corrosion-Damaged RC Beams
(University of Waterloo, 2013-04-25)Deterioration of reinforced concrete structures due to reinforcement corrosion is a serious problem that faces concrete infrastructure worldwide. Effect of the rebar corrosion in the shear span on the structural behaviour ... -
Evaluation of Early In-Place Concrete Performance Based on Test Results of Cores and Cylinders
(University of Waterloo, 2018-08-21)The evaluation of in-place concrete performance, relating to its mechanical properties, continues to remain a challenge for engineers and researchers, but is essential for determining the safety of a structure and from the ... -
Evaluation of High Performance Residential Housing Technology
(University of Waterloo, 2008-09-11)The energy consumption of residential buildings in Canada accounts for 17% of national energy use (Trudeau, 2005). Production homes represent a considerable portion of new housing. In an effort to reduce the national ... -
Evaluation of Mechanical and Durability Properties of Concrete with Recycled Materials for its use in Interlocking Concrete Pavement
(University of Waterloo, 2022-08-17)The use of coarse recycled concrete aggregates (CRCA) in concrete as a replacement for natural aggregate (NA) has recently sparked a lot of attention. The use of CRCA is gaining acceptance as more research into its performance ... -
Evaluation of persulfate for the treatment of manufactured gas plant residuals
(University of Waterloo, 2013-02-01)The presence of coal tars in the subsurface associated with former manufactured gas plants (MGPs) offers a remediation challenge due to their complex chemical composition, dissolution behaviour and recalcitrant characteristics. ... -
Evaluation of Potential Health Risks from Microplastics in Drinking Water
(University of Waterloo, 2021-05-03)Microplastics have been detected, often abundantly, in freshwater environments over the past decade. While understanding of the ecological health implications of microplastics in aquatic environments has advanced considerably, ... -
Evaluation of Recycled Concrete Aggregate Performance in Structural Concrete
(University of Waterloo, 2012-05-18)Sustainable resource management and development have been at the forefront of important issues concerning the construction industry for the past several years. Specifically, the use of sustainable building materials and ... -
Evaluation of seismic activity and fault reactivation for Enhanced Geothermal Systems
(University of Waterloo, 2017-02-10)Growth in energy demand from developing nations necessitates the utilization of all available sources of energy. Primarily due to their environmental benefits, clean and renewable energy resources are of particular interest. ... -
Evaluation of Signal Retiming Measures Using Bluetooth Travel Time Data
(University of Waterloo, 2015-05-15)Signal retiming is an appealing strategy for improving network performance because it does not require the addition of new roadway capacity. The emergence of Bluetooth technology presents an alternative method of collecting ... -
Evaluation of Sound Attenuation Abilities of Various Asphalt Pavements
(University of Waterloo, 2007-08-22)Road traffic noise is becoming a major public concern. Many transportation agencies are looking for practical and economical means to reduce traffic noise generation and propagation. In 2003, the University of Waterloo’s ... -
Evaluation of Structural Dome Formwork Systems in Concrete Pavement Applications
(University of Waterloo, 2013-10-03)The concrete pavement industry is actively seeking new and innovative solutions to build more economical, more sustainable and more durable roads. Cupolex® is one innovative product that is being evaluated for use as a ... -
Evaluation of Techniques for Flood Quantile Estimation in Canada
(University of Waterloo, 2019-04-08)As one of the most destructive natural hazards, floods have a strong and devastating influence on various aspects of human society and the environment. Damages from floods can include property loss, destruction of ... -
Evaluation of the Effect of Recycled Asphalt Shingles on Ontario Hot Mix Pavement
(University of Waterloo, 2011-09-28)Due to the 15-20 year life span of roofing shingles, 1.5 million tonnes of asphalt roofing shingles are being demolished and replaced annually in Canada from both residential and commercial facilities. These roofing shingles ... -
Evaluation of the energy-based runoff concept for a subalpine tundra hillslope
(University of Waterloo, 2012-11-20)A major challenge to cold regions hydrology and northern water resources management lies in predicting runoff dynamically in the context of warming-induced changes to the rates and patterns of ground thaw and drainage. ... -
Evaluation of the Performance of Deicing and Anti-icing Using Organic Alternatives for Sustainable Winter Road Maintenance
(University of Waterloo, 2017-03-29)Large amounts of salts are applied every winter to highways, streets, parking lots and sidewalks. Despite its effectiveness, the use of salt has increasingly become a public concern because of the detrimental effect it has ... -
Evaluation of the Performance of Pervious Concrete Pavement in the Canadian Climate
(University of Waterloo, 2012-04-30)Pervious concrete pavement has the capacity to perform as two types of infrastructure: a pavement; and a stormwater management solution. It is a low impact development as it does not alter the natural hydrological cycle ... -
An Evaluation of the Safety and Operational Impacts of a Candidate Variable Speed Limit Control Strategy on an Urban Freeway
(University of Waterloo, 2006)Variable Speed Limit Sign (VSLS) systems enable transportation managers to dynamically change the posted speed limit in response to prevailing traffic and/or weather conditions. VSLS are thought to improve safety and ... -
An Evaluation of the Technical and Economic Performance of Weigh-In-Motion Sensing Technology
(University of Waterloo, 2007-09-11)Deteriorating roadway conditions have drawn attention to the need to develop an accurate and practical system to control increasing excessive traffic volumes and traffic loads. In practice, traffic volumes often exceed ...