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Articles 1 - 30 of 65
Full-Text Articles in Construction Engineering and Management
Safety Issues Among Hispanic Construction Workers Along The Wasatch Front In Utah, Phavel Israel Loayza Chahuayo
Safety Issues Among Hispanic Construction Workers Along The Wasatch Front In Utah, Phavel Israel Loayza Chahuayo
Theses and Dissertations
During the last few decades immigration by foreigners seeking work in the construction industry in the United States has increased dramatically. Of those seeking jobs in construction, Hispanics represent the largest and fastest growing population. The proportion of reportable accidents among Hispanic on-site construction workers in the United States is higher than that of non-Hispanics. This trend of on-site construction accidents is evident not only in states that have traditionally high populations of Hispanics, such as New York, Florida, California, Arizona, and Texas, it is also manifested in the State of Utah. This research focused on causes of accidents among …
Determining A Community Retrofit Strategy For The Aging Housing Stock Using Utility And Assessor Data, Nathan A. Barry
Determining A Community Retrofit Strategy For The Aging Housing Stock Using Utility And Assessor Data, Nathan A. Barry
Department of Construction Engineering and Management: Dissertations, Theses, and Student Research
Residential buildings account for about 21.5% of the nation’s primary energy consumption and carbon emissions, and about 38% of electricity use. The housing stock in the United States consists of over 128 million residences with over 60% being constructed prior to 1979 when building codes and regulations began standardizing building practices. Seeking an opportunity to understand and reduce consumption, the scientific community developed a number of model-driven auditing software. While these computer models have been successful in predicting usage patterns in newer residential structures, they have been inaccurate in predicting and analyzing energy use in aging housing stock, predominantly homes …
Utilizing Technology To Increase The Recycled Content Of Asphalt Mix Designs, Nicholas Ricketts
Utilizing Technology To Increase The Recycled Content Of Asphalt Mix Designs, Nicholas Ricketts
Purdue Polytechnic Masters Theses
This directed project examined the idea that increasing the amount of recycled asphalt product in road construction will result in a comparable performance to the current levels of recycled asphalt product in today’s pavement. A critical review of literature is structured in four areas: describing the need (financial and environmental) for the increased use of recycled materials, describing how others have addressed the issue and technology needed for increasing the use of recycled content, describing how some contractors have created the technology needed, and finally describing the direction needed in order to encourage customers and government agencies to embrace the …
Life Cycle Costing Template (Excel), Dermot Kehily
Combined Heat, Air Moisture And Pollutant Simulations (Champs) For Buildings, Jianshun Zhang, Menghao Qin
Combined Heat, Air Moisture And Pollutant Simulations (Champs) For Buildings, Jianshun Zhang, Menghao Qin
Mechanical and Aerospace Engineering - All Scholarship
No abstract provided.
Dimensional Stability Of Geosynthetic Clay Liners In Landfill Applications, Gregory R. Olsen
Dimensional Stability Of Geosynthetic Clay Liners In Landfill Applications, Gregory R. Olsen
Master's Theses
An investigation was conducted related to the dimensional stability of geosynthetic clay liners (GCLs) in landfill applications. Multiple occurrences of panel separation of overlap seams in GCLs have been documented; however, explanation for the relative contribution of various mechanisms causing shrinkage has been limited. A systematic test program was conducted to determine the effects of a variety of conditions on GCL dimensional stability.
Effects of initial moisture content, permeant type, and overburden pressure were tested by subjecting various GCL products to wet-dry cycles and measuring the dimensional change with each cycle. Different GCL types were each tested under various combinations …
Fall Prevention Training And Its Impact To Southern Nevada Construction Workers, Vedaspati Joshi
Fall Prevention Training And Its Impact To Southern Nevada Construction Workers, Vedaspati Joshi
UNLV Theses, Dissertations, Professional Papers, and Capstones
Death and injury from falls are a long-standing and continuing problem in construction, responsible for at least a third of the construction deaths in the U.S. from 2004 to 2007. Each of those years, Nevada has exceeded the national percentage. Although 29 CFR 1926.503 sets forth Occupational Safety and Health Administration (OSHA)'s requirements that construction employers train employees exposed to fall hazards and document such training, the incidence of deaths and injuries from falls are an indicator that this training was not provided or else was not effective.
Conventional fall protection training is more narrowly focused on recognizing fall hazards …
Application Of Gis In Seismic Risk Assessment For The City Of Kelowna, Md. Nurul Alam
Application Of Gis In Seismic Risk Assessment For The City Of Kelowna, Md. Nurul Alam
Md. Nurul Alam
No abstract provided.
State Dependent Properties Of Rail Pads, Sakdirat Kaewunruen, Alexander Remennikov
State Dependent Properties Of Rail Pads, Sakdirat Kaewunruen, Alexander Remennikov
Alex Remennikov
Rail pad is one of the main components in ballasted railway track systems. It is inserted between the rail and the sleeper to attenuate dynamic wheel/rail interaction forces, preventing the underlying railway track components from excessive stresses. Generally, the dynamic design of tracks relies on the available data, which are mostly focused on the structural condition at a specific toe load. Recent findings show that track irregularities could significantly amplify the loads on railway tracks. This phenomenon gives rise to a concern that the rail pads may experience higher deterioration rate than anticipated in the past. On this ground, an …
Seamless Bridge And Roadway System For The U.S. Practice, Nima Ala
Seamless Bridge And Roadway System For The U.S. Practice, Nima Ala
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
Expansion joints are one of the main causes for high maintenance costs in bridges. The search for ideal expansion joints has proven fruitless. That is why it has been said that “the best joint is no joint”. A seamless bridge system is envisioned that results in bridges with long service lives by eliminating the joints over the entire length of the bridge, approach slab and a segment of the roadway called transition. All bridge thermal movements are dissipated to zero in the transition. The system is similar to a system developed in Australia but modifications had to be made to …
Using Low-Stakes Quizzing For Student Self-Evaluation Of Readiness For Exams, Kirsten A. Davis
Using Low-Stakes Quizzing For Student Self-Evaluation Of Readiness For Exams, Kirsten A. Davis
Construction Management Faculty Publications and Presentations
Introductory level courses in many Science, Technology, Engineering, and Math (STEM) disciplines require students to acquire an enormous new discipline-specific vocabulary in preparation for future courses. Students are often not prepared for the amount of self-directed studying they must do to be successful in these types of courses, particularly in their first year of college. To assist students in more accurately gauging their readiness for an exam, online low-stakes quizzes were implemented in a freshman level course, giving students an opportunity to practice their new language with minimal grade-related consequences. This quizzing strategy provides students an opportunity to self-assess their …
Performance Analysis Of Solar Walls In Minnesota: Final Project Report, Patrick A. Tebbe, Saeed Moaveni, Louis Schwartzkopf
Performance Analysis Of Solar Walls In Minnesota: Final Project Report, Patrick A. Tebbe, Saeed Moaveni, Louis Schwartzkopf
Mechanical and Civil Engineering Department Publications
A study of unglazed transpired solar collectors (referred to as solar walls for this report), has been undertaken. Several installations in the Twin Cities, MN region have been identified, researched, and studied. A combination of weather stations, data logging systems, and building energy management systems were used to collect experimental data on four buildings. Performance calculations were then performed for these buildings and compared with various performance/modeling tools.
Strategic Drivers Of Delivery Capacity, Lynn Crawford
Strategic Drivers Of Delivery Capacity, Lynn Crawford
Lynn Crawford
Recent research into the value of project management has highlighted the importance of 'fit' whereby the internal and external context of an organization would determine the configuration of project management that would add value. A major challenge for organizations, and a differentiator of corporate performance, is the ability to execute strategy. It is a key to corporate agility and the ability to build on global recovery. Projects and programs are the primary vehicles for strategy execution, and project management can therefore be seen as the delivery capability of organisations. In order to add value, project management must be configured to …
Control De Calidad En El Proceso De Estructura De La Vivienda De Interés Social, Camilo Andres Galeano España
Control De Calidad En El Proceso De Estructura De La Vivienda De Interés Social, Camilo Andres Galeano España
Ingeniería Civil
El trabajo de grado tiene como nombre Control de Calidad en el proceso de Estructura de la Vivienda de Interés Social; se va a inspeccionar y corroborar si en la Obra que se escogió la cual se llama “Molinos del Milenio”, se cumplen las normas de calidad, si se realizan los procedimientos, se recopilan las informaciones en los formatos que tienen existentes, se toman los correctivos necesarios en caso de existir producto no conforme que afecten la calidad de esta obra, todo supeditado a las Normas Sismo-Resistentes N.S.R.-10 que es la que determina los estándares de calidad. Se presentaran las …
Research-To-Practice (R2p) Tools For Improving Safety In Nighttime Highway Construction Work Zones, Ali Mostafavi, Vanessa Valentin, Dulcy Abraham
Research-To-Practice (R2p) Tools For Improving Safety In Nighttime Highway Construction Work Zones, Ali Mostafavi, Vanessa Valentin, Dulcy Abraham
Infrastructure System-of-Systems (I-SoS ) Research Group
The safety of workers in nighttime roadway work zones has become a major concern for state transportation agencies due to the increase in the number of work zone fatalities. During the last decade, several studies have focused on the improvement of safety in nighttime roadway work zones; but the element that is still missing is a set of tools for translating the research results into practice. This paper discusses: 1) the importance of translating the research results related to the safety of workers and safety planning of nighttime work zones into practice, and 2) examples of tools that can be …
Effectiveness Study Of Non-Nuclear Gauge For Hot Mix Asphalt (Hma) Pavement Construction, Ziqing Zhuang
Effectiveness Study Of Non-Nuclear Gauge For Hot Mix Asphalt (Hma) Pavement Construction, Ziqing Zhuang
Department of Construction Engineering and Management: Dissertations, Theses, and Student Research
Density is an important measure for hot-mix asphalt (HMA) pavement quality control. Traditionally, the nuclear gauge method is widely used in pavement density testing. However, some disadvantages of nuclear gauges (such as the handling, storage, and transportation of radioactive materials) have created the need of non-nuclear technology. This thesis evaluated the Pavement Quality Indicator (PQI) model 301, which was promised to be more efficient than the nuclear method. The PQI utilizes many electrical impedance principles by using the current going through the pavement to determine its density and moisture content. Test data were collected in the field during pavements, and …
Effectiveness Study On Temporary Pavement Marking Removals Methods, Koudous Kabassi
Effectiveness Study On Temporary Pavement Marking Removals Methods, Koudous Kabassi
Department of Construction Engineering and Management: Dissertations, Theses, and Student Research
This study was conducted to identify effective temporary marking removal methods and procedures on concrete and asphalt pavements. Pavement markings provide guidance to road travelers and can lead to accidents when not properly removed. Current state guidelines on removal do not provide clear and objective methods of measurement. After testing the most common removal methods, this research concluded that removing markings by chemical was not only cost and results-oriented effective compared to other methods, but it was also safe to the environment and road users. Finally, a baseline of measurements was developed for this project, along with the feasibility of …
Comparison Of Design-Build And Design-Bid-Build Performance Of Public University Projects, James David Fernane
Comparison Of Design-Build And Design-Bid-Build Performance Of Public University Projects, James David Fernane
UNLV Theses, Dissertations, Professional Papers, and Capstones
With an unsure market and scarce work, owners across the United States, especially universities, are finding themselves in situations where they are unable to complete their projects within cost and schedule using the traditional delivery method: Design-Bid-Build (DBB). Under the DBB project delivery method, many competent contractors are electing to send low bids on projects just to keep work on their books, with plans to receive change orders once the project is underway; this practice is leading to cost and schedule overruns. Public universities across the United States are beginning to elect to use Design-Build (DB) as an alternate project …
Recycling Waste Latex Paint In Overlays, Rigid Pavements, And Pervious Concrete, Oscar Inez Quiroz
Recycling Waste Latex Paint In Overlays, Rigid Pavements, And Pervious Concrete, Oscar Inez Quiroz
UNLV Theses, Dissertations, Professional Papers, and Capstones
With over 16 million gallons of latex paint (WLP) being disposed every year it is the largest by volume, liquid hazardous waste in the United States. WLP is difficult to recycle and hazardous to the environment due to the volatile organic compounds it contains. Several methods exist for disposing WLP including paint swaps, combustion, drying and discarding in a landfill, and by placing pigments in cement. Many communities are moving to dispose WLP by drying and placing in a landfill due to the reduced cost. However, this is the least preferred technique for the environment because it creates a need …
Unintended Social And Economic Consequences Resulting From The Implementation Of New Construction Technologies In The Developing World, Andrew J. South
Unintended Social And Economic Consequences Resulting From The Implementation Of New Construction Technologies In The Developing World, Andrew J. South
Theses and Dissertations
One of the key components of international development is to provide adequate shelter for citizens of developing countries. This is often accomplished by governmental, non- governmental, and private organizations that seek to lower the cost, increase the quality, and expand the availability of safe, sustainable housing through the use of innovative technologies. These new technologies can affect the social and/or economic structure within communities. This paper is a case study resulting from the construction of a seventy-one-home village, including infrastructure, near Yogyakarta, Indonesia by a foreign, aid-based non-governmental organization (NGO). The village was relocated less than two kilometers from its …
Friction Bit Joining Of 5754 Aluminum To Dp980 Ultra-High Strength Steel: A Feasibility Study, Britney Weickum
Friction Bit Joining Of 5754 Aluminum To Dp980 Ultra-High Strength Steel: A Feasibility Study, Britney Weickum
Theses and Dissertations
In this study, the dissimilar metals 5754 aluminum and DP980 ultra-high strength steel were joined using the friction bit joining (FBJ) process. The friction bits were made using one of three steels: 4140, 4340, or H13. Experiments were performed in lap shear, T-peel, and cross tension configurations, with the 0.070" thick 5754 aluminum alloy as the top layer through which the friction bit cut, and the 0.065" thick DP980 as the bottom layer to which the friction bit welded. All experiments were performed using a computer controlled welding machine that was purpose-built and provided by MegaStir Technologies. Through a series …
Green Building Policy, School Performance, And Educational Leaders’ Perspectives In Usa, Scott D. Kelting, Michael Montoya
Green Building Policy, School Performance, And Educational Leaders’ Perspectives In Usa, Scott D. Kelting, Michael Montoya
Construction Management
The movement to construct high performance “green” buildings has had unprecedented market growth and continues to become mainstream practice for constructing schools in the United States. Green schools have economic, environmental and health benefits. Research provides information on the use of increased student performance found in green schools to justify building schools to a higher standard of indoor environment quality. There is clear and compelling evidence that schools currently built to specific green standards of indoor environmental quality, (e.g. thermal comfort, indoor air quality, acoustics and lighting,) result in healthier and more productive students and teachers. Current green building policies …
Identification Of Risk Factors Associated With Motorcycle-Related Fatalities In Ohio, Deogratias Eustace, Vamsi Krishna Indupuru, Peter W. Hovey
Identification Of Risk Factors Associated With Motorcycle-Related Fatalities In Ohio, Deogratias Eustace, Vamsi Krishna Indupuru, Peter W. Hovey
Civil and Environmental Engineering and Engineering Mechanics Faculty Publications
Out of the 7,138,476 motorcycles operating on U.S. roads, 346,925 were registered in the state of Ohio in the year 2007. Although motorcycles represent only 2.8% of all registered vehicles in the state of Ohio, motorcycling accounts for more than 13% of Ohio highway traffic fatalities. Since 2005, Ohio has had a distressing distinction of being among the fifteen states that have sustained more than half of all motorcycle fatalities recorded in the USA (NHTSA 2007; NHTSA 2008a). For the past ten years, the overall motorcycle crash fatalities have been increasing while the motor vehicle occupant crash fatalities have been …
Risks Associated With Federal Construction Projects, Krishna R. Surajbally
Risks Associated With Federal Construction Projects, Krishna R. Surajbally
Theses and Dissertations
The rise in terrorism, corporate espionage, cyber attacks, and federal fiscal constraints play an important role in the federal construction process. The risks associated with these occurrences are studied to aid in the risk management of the military construction process. This paper presents the status of research into these areas to identify how methods, policies, applications, and information obtained from case studies can be used by stakeholders to manage risk in the United States Air Force construction process. The author reviewed research on risk associated with four essential components of the military construction process – Critical Infrastructure, Information Technology, Contracts, …
How Much Do U.S. University Students Know, And Want To Know, About Sustainability And Green Building? The Findings Of A Survey, And Possible Implications For General Elective Curricula., Jeremy R. Farner
Purdue Polytechnic Masters Theses
Using the survey approach, this investigation examined the attitudes and interest of college students at two universities in different geographic locations within the United States. Approximately 24,000 students from all disciplines and majors at Weber State University (WSU) in Utah, and 4,000 at Purdue University in Indiana, were invited to participate in a study to determine current knowledge, familiarity, and interest in topics within the sustainability and Green Building educational arena. The goal of this study was to determine what students already know, would like to know, and how much interest there would be in developing …
How Do Millennial Engineering And Technology Students Experience Learning Through Traditional Teaching Methods Employed In The University Setting?, Elizabeth A. Howard
How Do Millennial Engineering And Technology Students Experience Learning Through Traditional Teaching Methods Employed In The University Setting?, Elizabeth A. Howard
Department of Computer Graphics Technology Degree Theses
The purpose of the study was to document and analyze how Millennial engineering and technology students experience learning in large lecture classrooms. To help achieve this purpose, perceptions Millennials have toward traditional teaching methods employed in large lecture classes were analyzed and discussed. Additionally, this study documented how Millennials experienced technology within large lecture classrooms. A learning model depicting how Millennials experience learning within the large lecture classroom was created based on the results of this study. This model employed three separate tools utilized within the large lecture classroom. These tools: Lecture, Technology, and Homework, work together to synthesize learning …