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- Technological University Dublin (7)
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- University of Southern Maine (4)
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Articles 1 - 30 of 42
Full-Text Articles in Engineering
Interpretations Of Sustainability In Higher Education, Omidreza Saadatian
Interpretations Of Sustainability In Higher Education, Omidreza Saadatian
No abstract provided.
Culvert Material Cost Comparison, New England Environmental Finance Center
Culvert Material Cost Comparison, New England Environmental Finance Center
Water
The following tables provide a detailed look at the role that culvert material and culvert diameter play in the overall cost of a culvert replacement project.
An Investigation Of The Influence Of Diaphragm Flexibility On Building Design Through A Comparison Of Forced Vibration Testing And Computational Analysis, Blake Alan Roskelley
An Investigation Of The Influence Of Diaphragm Flexibility On Building Design Through A Comparison Of Forced Vibration Testing And Computational Analysis, Blake Alan Roskelley
Master's Theses
An assessment of the validity of idealizing a concrete diaphragm as rigid was performed through the modal analysis of three existing buildings. Modal analysis was performed both by physical experimentation and computational analysis. Experimental determination of the mode shapes shows that two of the three buildings’ diaphragms exhibited flexible behavior. The experimental results were compared to computational analysis results and were shown to be similar, confirming that that the two building diaphragms are not rigid. As a standard, diaphragms with aspect ratios less than three are permitted to be idealized as rigid per ASCE 7-05. To determine the effect of …
Culvert Material Cost Comparison, New England Environmental Finance Center
Culvert Material Cost Comparison, New England Environmental Finance Center
Economics and Finance
The following tables provide a detailed look at the role that culvert material and culvert diameter play in the overall cost of a culvert replacement project. Table 1 displays the cost per foot purchase price arranged by diameter size for the various culvert materials that are currently available. Table 2 displays the average additional culvert pipe material cost (increased cost to upsize minus original in-kind replacement cost) that would be incurred when upsizing a given diameter of culvert with a 50 foot length by factors of: 200%, 250% and 300%.
The Quality Of Life In Our City, B Bakhtyar
The Quality Of Life In Our City, B Bakhtyar
B Bakhtyar
Smart Growth (SG) development entails retracting the city; hence, it aims to house low-income residents at new affordable housing facilities within a metropolitan area. On the other hand, the dense living conditions would cause land price to surge due to the scarcity of available land. In this situation, housing developers would be more burdened by high land costs and the low-income families have no alternatives than pay high rental prices to building owners. This research comprises of constructs developed from selected literature review on Smart Growth concept and criteria of importance in meeting the Affordable Quality Housing standards (QOL indicators). …
Performance Comparison Of Control Methods For Tankless Water Heaters, David P. Yuill, Andrew H. Coward, Gregor P. Henze
Performance Comparison Of Control Methods For Tankless Water Heaters, David P. Yuill, Andrew H. Coward, Gregor P. Henze
David Yuill
Tankless water heaters (TWH) have several advantages and disadvantages when compared with storage water heaters. One disadvantage is that the outlet temperature of the water is difficult to control. To address this problem, the authors apply seven different control approaches and con- duct experiments to test the effectiveness of each approach. The experiments are carried out on a commercially available electric TWH, using a test method and apparatus developed by the authors. The seven approaches include various configurations of feedback or feed-forward con- trol, or both. One fairly simple approach devised in this project combines feedback and feed-forward control. This …
Public Private Partnerships: What Does The Future Hold?, Michael Regan, Jim Smith, Peter Love
Public Private Partnerships: What Does The Future Hold?, Michael Regan, Jim Smith, Peter Love
Michael Regan
Internationally, Public and Private Partnerships (PPPs) are being used across a wide variety of economic and social infrastructure projects in more than 85 countries. PPPs are a procurement methodology that brings a rigorous risk-weighted approach to major projects using a competitive bid process and private sector expertise and innovation. PPPs are achieving a number of significant improvements in major project procurement and improved public service delivery.This paper considers the prospects of PPPs from the perspective of government clients and their promoters of PPPs and whether current volatility and uncertainty in the capital markets in Australia will affect the feasibility of …
Construction Cost Models, Barry Dikeman
Construction Cost Models, Barry Dikeman
Economics and Finance
The following are a series of cost estimate models similar in format to a typical engineer’s estimate that were developed in support of our financial impact assessment report for LD 1725. The models us current material costs, labor costs, and equipment costs for the region to provide a comparative cost analysis of seven culvert replacement scenarios. The models provide information about what the cost impact of LD 1725 would be for typical culvert replacements in Maine. However, due to the inherent restrictions of the cost modeling framework we were not able to include the abundance of variables that would be …
Metallurgy In The Roman Forts Of Scotland: An Archaeological Analysis, Scott S. Stetkiewicz
Metallurgy In The Roman Forts Of Scotland: An Archaeological Analysis, Scott S. Stetkiewicz
Honors Projects
Investigates the presence of metalworking in thirty-seven Roman forts in Scotland during the Flavian, Antonine, and Severan occupations largely through analysis of published documentation concerning relevant archaeological excavations.
Intricacies Of Professional Certifications For Quality Management (Qm), Edmund R. Martelli
Intricacies Of Professional Certifications For Quality Management (Qm), Edmund R. Martelli
Masters Theses & Specialist Projects
The modern manufacturing marketplace is extremely complex and constantly changing. Career professionals often seek job placement, career advancement, and continuing education through professional certifications. Professional certifications in the United States (U.S.) have been evolving since 1911. In the 1950s, engineering groups established professional certifications and licenses. In the 1980s, administration of accreditation of certification programs proliferated, and by the 1990s, many government and professional organizations sought to standardize procedures for the industry. Currently, professional certifications are available for virtually every profession and issued by multitudes of organizations.
Quality management (QM) encompasses an extensive combination ofprofessional abilities. Providers of professional certifications …
Cyber-Physical Codesign Of Distributed Structural Health Monitoring With Wireless Sensor Networks, Gregory Hackmann, Weijun Guo, Guirong Yan, Chenyang Lu, Shirley Dyke
Cyber-Physical Codesign Of Distributed Structural Health Monitoring With Wireless Sensor Networks, Gregory Hackmann, Weijun Guo, Guirong Yan, Chenyang Lu, Shirley Dyke
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
Our Deteriorating Civil Infrastructure Faces the Critical Challenge of Long-Term Structural Health Monitoring for Damage Detection and Localization. in Contrast to Existing Research that Often Separates the Designs of Wireless Sensor Networks and Structural Engineering Algorithms, This Paper Proposes a Cyber-Physical Co-Design Approach to Structural Health Monitoring based on Wireless Sensor Networks. Our Approach Closely Integrates (1) Flexibility-Based Damage Localization Methods that Allow a Tradeoff between the Number of Sensors and the Resolution of Damage Localization, and (2) an Energy-Efficient, Multi-Level Computing Architecture Specifically Designed to Leverage the Multi-Resolution Feature of the Flexibility-Based Approach. the Proposed Approach Has Been Implemented …
Design Collaboration As A Tool For Developing Diversity In The Work Place, Rees E. E. Shad
Design Collaboration As A Tool For Developing Diversity In The Work Place, Rees E. E. Shad
Publications and Research
Without a doubt the modern workplace is one made up of numerous working professionals graced with an array of varied abilities who work in tandem to meet a common goal. In this article the author recounts his personal journey to embracing the collaborative process and how he has honed and developed the skill set into an important element of design curriculum in order to prepare students for this fundamental market paradigm.
Structural Damage Detection Robust Against Time Synchronization Errors, Guirong Yan, Shirley J. Dyke
Structural Damage Detection Robust Against Time Synchronization Errors, Guirong Yan, Shirley J. Dyke
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
Structural Damage Detection based on Wireless Sensor Networks Can Be Affected Significantly by Time Synchronization Errors among Sensors. Precise Time Synchronization of Sensor Nodes Has Been Viewed as Crucial for Addressing This Issue. However, Precise Time Synchronization over a Long Period of Time is Often Impractical in Large Wireless Sensor Networks Due to Two Inherent Challenges. First, Time Synchronization Needs to Be Performed Periodically, Requiring Frequent Wireless Communication among Sensors at Significant Energy Cost. Second, Significant Time Synchronization Errors May Result from Node Failures Which Are Likely to Occur during Long-Term Deployment over Civil Infrastructures. in This Paper, a Damage …
Western Woburn Greenway Study, Jennifer H. Masters, Bryan C. Aldeghi, Eric C. Kells, Maureen C. Pollock, Rebekah Lynne Decourcey, Carol Waag, Youjin Kwon, Kathryn E. Ostermier, Patrick T. Mcgeough, Ryan Patrick Ball
Western Woburn Greenway Study, Jennifer H. Masters, Bryan C. Aldeghi, Eric C. Kells, Maureen C. Pollock, Rebekah Lynne Decourcey, Carol Waag, Youjin Kwon, Kathryn E. Ostermier, Patrick T. Mcgeough, Ryan Patrick Ball
Landscape Architecture & Regional Planning Studio and Student Research and Creative Activity
In spring 2010, the Department of Landscape Architecture and Regional Planning at the University of Massachusetts Amherst was asked to complete a landscape planning study, the “Western Woburn Greenway Study” for the City of Woburn, MA. The study was undertaken by a team of graduate students, supervised by Professor Jack Ahern. The goals of that study are as follows.
The City of Woburn currently has two large parcel groups of undeveloped land, Whispering Hill (the north focus area) and Winning/Shannon Farms (the south focus area) that are, or may become, available for acquisition (see “Scope of Project” below). The first …
Evaluation Of Safety Impact Of Access Management In Urban Areas, Xuecai Xu
Evaluation Of Safety Impact Of Access Management In Urban Areas, Xuecai Xu
UNLV Theses, Dissertations, Professional Papers, and Capstones
The access provided by streets and highways to adjacent lands are managed by controlling the spacings between the access points including signals, driveways, and media openings on mid-block segments, and setting the limit on the corner clearances around intersections. There have been studies on evaluating the impact of access management techniques on safety and mobility in urban areas. Samples of mid-block segments and intersections can be collected from selected arterials. Because the mid-block segments or intersections in the same arterials share the same missing information, safety and mobility on them show unique features that should be taken into account when …
An Exploratory Study On Energy Consumption Of Energy Star And Non-Energy Star Homes, Prajakta Kulkarni
An Exploratory Study On Energy Consumption Of Energy Star And Non-Energy Star Homes, Prajakta Kulkarni
UNLV Theses, Dissertations, Professional Papers, and Capstones
The reduction of energy consumption is one of the economic necessities in the United States due to depleting energy sources in the world. The construction industry is stepping forward to reduce the energy consumption of buildings by efficient designs or by constructing buildings with energy efficient materials and features. In 1992, the U.S. Environmental Protection Agency (EPA) and Department of Energy (DOE) introduced the Energy Star Program to promote energy efficient products with the same or improved services. According to the EPA, Energy Star homes, which use these products, will consume 20 to 30 percent less energy than non-Energy Star …
Proceedings Of The 2009 Nrc Federal Facilities Council/James Madison University Symposium On Protecting Large Facility Complexes;, George H. Baker, Cheryl E. Wilkins
Proceedings Of The 2009 Nrc Federal Facilities Council/James Madison University Symposium On Protecting Large Facility Complexes;, George H. Baker, Cheryl E. Wilkins
George H Baker
Large, complex facilities pose unique protection challenges involving multidisciplinary expertise and collaboration among government, academia, and the private sector. The symposium served as a forum for sharing experiences in dealing with large facility catastrophic events and risk management. The symposium was organized based on the value of interaction among different people representing diverse disciplines. In many instances, such interactions lead to solutions that would not have been developed within disciplinary stovepipes. The venue was divided into three panels addressing physical security, cyber security, and real facility case studies. We were also privileged to have three keynote speakers including Dr. Charles …
2010 - The Fifteenth Annual Symposium Of Student Scholars
2010 - The Fifteenth Annual Symposium Of Student Scholars
Symposium of Student Scholars Program Books
The full program book from the Fifteenth Annual Symposium of Student Scholars, held on April 27, 2010. Includes abstracts from the presentations and posters.
Determination Of Material Emission Signatures By Ptr-Ms And Their Correlations With Odor Assessments By Human Subjects, Kwanghoon Han
Determination Of Material Emission Signatures By Ptr-Ms And Their Correlations With Odor Assessments By Human Subjects, Kwanghoon Han
Kwanghoon Han
The objectives of this study were to determine volatile organic compound (VOC) emission signatures of nine typical building materials by using proton transfer reaction-mass spectrometry (PTR-MS) and to explore the correlation between the PTR-MS measurements and the measurements of acceptability by human subjects. VOC emissions from each material were measured in a 50-l small-scale chamber. Chamber air was sampled by PTR-MS to determine emission signatures. Sorbent tube sampling and TD-GC/MS analysis were also performed to identify the major VOCs emitted and to compare the resulting data with the PTR-MS emission signatures. The data on the acceptability of air quality assessed …
Projected Costs Of A Grid-Connected Domestic Pv System Under Different Scenarios In Ireland, Using Measured Data From A Trial Installation, Lacour Ayompe, Aidan Duffy, Sarah Mccormack, Michael Conlon
Projected Costs Of A Grid-Connected Domestic Pv System Under Different Scenarios In Ireland, Using Measured Data From A Trial Installation, Lacour Ayompe, Aidan Duffy, Sarah Mccormack, Michael Conlon
Articles
This paper presents results of a study of projected costs for a grid-connected PV system for domestic application in Ireland. The study is based on results from a 1.72kWpPV system installed on a flat rooftop in Dublin, Ireland. During its first year of operation a total of 885.1kWh/kWp of electricity was generated with a performance ratio of 81.5%. The scenarios employed in this study consider: a range of capital costs; cost dynamics based on a PV module learning rate of 2+/-75%; projections for global annual installed PV capacity under an advanced and moderate market growth conditions; domestic electricity cost growth …
Sustainable Portland: Implementation Series 3, New England Environmental Finance Center
Sustainable Portland: Implementation Series 3, New England Environmental Finance Center
Climate Change
This report is the third in a series of efforts by students at the Muskie School of Public Service, Community Planning and Development Master’s program, in a core class called “Sustainable Communities.” In this course students seek to understand principles of sustainability and how efforts to implement Sustainability programs can become more successful. The report assembles term papers students completed on particular efforts by municipalities, universities, and other groups to achieve sustainability goals. Students worked on each project in a service learning format with real world clients. They were asked to fashion their papers around lessons learned by other organizations …
Bus On Shoulder: Local Assessment Of Shoulder Transit Lane For Regional Buses In San Luis Obispo County, Jessica R. Berry
Bus On Shoulder: Local Assessment Of Shoulder Transit Lane For Regional Buses In San Luis Obispo County, Jessica R. Berry
Master's Theses
The study looks at the applicability of integrating a Bus Only Shoulder (BOS) into the intermittently congested segment of US 101 in southern San Luis Obispo County. Policy, infrastructure and implementing criteria derived from case studies in Minnesota, Florida and California (San Diego) and the 2007 California Decision Document on BOS are applied to conditions in the region. One measure of performance, time savings, is projected to 2025 to determine the value of integrating the program by that horizon year. Given the substantial potential for time savings in that future year, recommendations are made to create the appropriate policy and …
City Of Davis Greenbelt Master Plan, Brandon Haydu
City Of Davis Greenbelt Master Plan, Brandon Haydu
Master's Theses
The City of Davis is currently updating its Parks and Recreation Facilities Master Plan. During the update, greenbelts were identified as a highly used and desired facility. This Greenbelt Master Plan serves as a plan focused on the opportunities greenbelts can provide as recreational and transportation facilities. This report has analyzed community feedback, greenbelt coverage, greenbelt capacity, and existing local, state, and federal design guidelines. The final plan is a set of goals, objectives, policies, and programs, along with a greenbelt map, which is aimed at improving the greenbelt infrastructure in Davis through the year 2020.
Identification Of Physical Changes To A Steel Frame, Daniel Eric Means
Identification Of Physical Changes To A Steel Frame, Daniel Eric Means
Master's Theses
The thesis utilized physical testing and computer modeling to determine the feasibility of identifying a change to the mass or stiffness of a steel frame. Physical testing was performed using an accelerometer, linear shaker, and arbitrary function generator. Two methods of laboratory testing were developed: ambient vibration testing (AVT) and forced vibration testing (FVT). AVT was able to preliminarily identify the natural frequencies and mode shapes of the frame. FVT was able to precisely identify four distinct natural frequencies, mode shapes, and damping ratios. The baseline frame then underwent two physical changes: the addition of mass to its roof, and …
Manifest Greatness The Final Original Version By Emmanuel Mario B Santos Aka Marc Guerrero, Emmanuel Mario B. Santos Aka Marc Guerrero
Manifest Greatness The Final Original Version By Emmanuel Mario B Santos Aka Marc Guerrero, Emmanuel Mario B. Santos Aka Marc Guerrero
Emmanuel Mario B Santos aka Marc Guerrero
MANIFEST GREATNESS vf24jan2010 WE COME TOGETHER THERE OUGHT TO BE NO POOR WE TAKE CHARGE.