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Articles 2671 - 2700 of 4454
Full-Text Articles in Engineering
Unexpected Setbacks When Excavating – Using Gpr For Mitigating Risk: A Case Study, Samuel L. Marcum
Unexpected Setbacks When Excavating – Using Gpr For Mitigating Risk: A Case Study, Samuel L. Marcum
Construction Management
Whether constructing on undeveloped land or on an existing developed site, there is a risk of encountering unexpected objects when excavating. With today’s technology in Ground Penetrating Radar (GPR), this risk can generally be mitigated. Using Whiting-Turner’s construction of Stanford University’s new ChEM-H & SNI Building as an example, this case study discusses the use of GPR for underground mapping, as well as various ways to implement GPR technology. The ChEM-H & SNI site had many underground utilities that required precise pot-holing to verify locations. Although pot-holing is widely used, it is a destructive method, it is time and labor …
Abandoned Projects: The Economic Impact In San Luis Obispo, Andrew Steven Horton
Abandoned Projects: The Economic Impact In San Luis Obispo, Andrew Steven Horton
Construction Management
San Luis Obispo is in the midst of a housing crisis. This small college town cannot keep pace with the growing number of students and residents. The problem is that there are very few new housing options being developed. Other than the new freshman dorms, the housing market in San Luis Obispo has been stagnant for years. The housing market cannot afford inefficiency and waste, but there are still many abandoned construction sites around the city. These sites are not only eye sores and safety hazards, but they are wasted opportunities. They cost the city millions of dollars every year. …
Noise Induced Hearing Loss Accountability On Jobsites Within The Construction Industry, Joseph O. Lamphere
Noise Induced Hearing Loss Accountability On Jobsites Within The Construction Industry, Joseph O. Lamphere
Construction Management
Noise induced hearing loss is a major issue on jobsites within the construction industry. Every day workers are exposed to hazardous levels of noise, but they are not being properly managed to mitigate this issue. Workers have misconceptions about the topic, but more surprisingly are sometimes indifferent to the effects; believing hearing loss is inevitable, or it can be cured with a hearing aide. Construction has inherent dangers that workers have to deal with every day. Hearing loss might not be on the top of their lists, but the effects are permanent, and they cannot be cured with a hearing …
Growing Grounds Nursery - Outdoor Plaza And Education Space, Keenan Brekke
Growing Grounds Nursery - Outdoor Plaza And Education Space, Keenan Brekke
Construction Management
This paper describes the planning, both design and financing, as well as the construction of an 800 square foot outdoor plaza area and education space. After six months of Planning and Fundraising, the scope of work included clearing and grubbing, relocation of irrigation lines, site grading and footing excavation, forming and pouring four architectural board form concrete benches and a planter, installing a perimeter French drain for site drainage, and installation of serpentine rock retaining walls, steel planters, a sail shade structure, outdoor string lights, a koi pond, and all significant landscaping. The author, over 100 volunteers, and various industry …
Analysis Of Student-Athletes And Summer Internship Experiences In The Construction Management Department, Amanda Rose Sandoval
Analysis Of Student-Athletes And Summer Internship Experiences In The Construction Management Department, Amanda Rose Sandoval
Construction Management
Summer internships are a valuable way for implementing practical knowledge in the construction industry. Students can apply what they have learned during the school year and visualize the reality of how construction is managed. This project will research what student-athletes typically invest their time in over summer and the construction company’s connection to the student-athlete department. The analysis will identify if there is a need to propose a program that can improve the relationship between the construction management and student-athlete departments. Two surveys were conducted to collect information about student-athletes summer activity history and their perspective of internship experience, as …
Scraper Productivity, Cost, And Size Selection Generator, Zach Rege
Scraper Productivity, Cost, And Size Selection Generator, Zach Rege
Construction Management
In the construction industry we are timelessly looking to increase productivity and find the most cost-efficient way to finish a given project. Like any other sector of the construction industry large earth moving contractors look to find the most advantageous way to move dirt and at the cheapest cost per cubic yard. To obtain this goal of calculating and imagining the best way to move dirt, I have created a prototype program that analyzes scraper productivity and cost comparisons through excel sheets. These excel sheets allow a contractor to enter information such as cycles times, load calculations, and costs to …
Solar Parking Lot Analysis: Smart Investment Or Waste Of Capital, Jared James Davis
Solar Parking Lot Analysis: Smart Investment Or Waste Of Capital, Jared James Davis
Construction Management
In the last couple decades solar panels have been developed into a sustainable and effective method for harnessing clean energy. Today, solar panels have been engineered into solar roadways. Solar roadways are structurally engineered solar panels which can be installed in the Earth, driven on, and can replace the need for traditional asphalt roads. These solar roadways also include built in LEDs which mimic road lines and light up wildlife crossing the road, making these road panels a very safe alternative to traditional asphalt roads. This senior project is an analysis of solar roadways and their capabilities when applied to …
Exploratory Analysis Of Accuracy Monitoring Techniques In Vehicle Detection Systems For Intelligent Transportation Systems Applications And Maintenance, Manasi Sanjay Palod
Exploratory Analysis Of Accuracy Monitoring Techniques In Vehicle Detection Systems For Intelligent Transportation Systems Applications And Maintenance, Manasi Sanjay Palod
Theses and Dissertations
The goal of transportation management is to ensure the mobility of people and goods, in a reliable and efficient manner. Operation and maintenance of transportation infrastructure is key to accomplish their objectives. Intelligent Transportation Systems (ITS) applications rely on massive detection networks that collectively demand significant maintenance resources. Resource constraints force transportation agencies to look for innovative ways to optimize their operational and maintenance costs while serving their users at intended performance levels. The system inputs come from vehicle detection system (VDS), acting as field data collection devices, enabling traffic monitoring and management through response to specific conditions. This research …
Investigation Of Setting Time And Compressive Strength Of Ready-Mixed Concrete Blended With Returned Fresh Concrete, Negasi N. Gebremichael, S. Mahmoud Motahara Karein, Moses Karakouzian, Kazem Jadidi
Investigation Of Setting Time And Compressive Strength Of Ready-Mixed Concrete Blended With Returned Fresh Concrete, Negasi N. Gebremichael, S. Mahmoud Motahara Karein, Moses Karakouzian, Kazem Jadidi
Civil and Environmental Engineering and Construction Faculty Research
Returned fresh mix concrete (RFC) is a problem with both economic and environmental impacts. Therefore, investigators have recommended various ways to decrease the amount of RFC in manufacturing facilities. Among the most common procedures are dumping concrete in landfill, recycling it, using the aggregate, and using it to produce concrete blocks. In this study, the authors investigated the behavior of various proportions of RFC mixed with ready-mix plain and retarded concrete. The authors also studied the influence of aging by producing specimens after one, two, three, and four hours. In addition, the researchers investigated controlled and uncontrolled environments by mixing …
Habitat For Humanity: A Student-Led Service Trip To Thailand, Amber Reiff
Habitat For Humanity: A Student-Led Service Trip To Thailand, Amber Reiff
Purdue Journal of Service-Learning and International Engagement
Amber Reiff started volunteering with Habitat for Humanity in high school and joined the Purdue Student Chapter as a freshman in 2014. During her sophomore year, she became more involved and held the position of Vice President of Development. While serving in this role, she planned on-campus advocacy events and recruited volunteers for Saturday site builds. In 2017, she traveled to Lampang, Thailand, over spring break with a group of like-minded students striving to make a difference. In this article, she shares her experiences on this trip and explores the impact of her participation. Beyond this trip, she has continued …
Toward Building Resilient, Sustainable, And Smart Infrastructure In The 21st Century, Aly Mousaad Aly
Toward Building Resilient, Sustainable, And Smart Infrastructure In The 21st Century, Aly Mousaad Aly
Faculty Publications
In recent years, as a result of significant climate change, stringent windstorms are becoming more frequent than before. Given the threat that windstorms bring to people and property, wind/structural engineering research is imperative to improve the resilience of existing and new infrastructure, for community safety and assets protection. The Windstorm Impact, Science and Engineering (WISE) research program at Louisiana State University (LSU) focuses on creating new knowledge applicable to the mitigation of existing and new infrastructure, to survive and perform optimally under natural hazards. To achieve our research goals, we address two imperious challenges: (i) characterization of realistic wind forces …
Analysis Of Student-Athletes And Summer Internship Experiences Int He Construction Management Department, Amanda R. Sandoval
Analysis Of Student-Athletes And Summer Internship Experiences Int He Construction Management Department, Amanda R. Sandoval
Construction Management
Summer internships are a valuable way for implementing practical knowledge in the construction industry. Students can apply what they have learned during the school year and visualize the reality of how construction is managed. This project will research what student-athletes typically invest their time in over summer and the construction company’s connection to the student-athlete department. The analysis will identify if there is a need to propose a program that can improve the relationship between the construction management and student-athlete departments. Two surveys were conducted to collect information about student-athletes summer activity history and their perspective of internship experience, as …
In-Situ Mechanical Characterization For Compacted Aggregates, Douglas Cortes, Paola Bandini
In-Situ Mechanical Characterization For Compacted Aggregates, Douglas Cortes, Paola Bandini
Publications
The evaluation of compacted unbound aggregate layers is perhaps the most common undertaking in transportation-related projects. The assessment of compaction compliance in engineered fills, subgrades, subbases, and bases in roadways and railways is central to ensure longevity of ground transportation infrastructure. In many cases, premature failures in roadways that originate in the unbound aggregate layers can be traced back to inadequate compaction. These failures are preventable, provided the problem areas can be identified by a suitable field test during construction. The most widely used method for compaction assessment during construction is the nuclear density gauge (NDG) test. While the device …
The Professional Constructor, Full Issue, Volume 43, Number 02
The Professional Constructor, Full Issue, Volume 43, Number 02
The Professional Constructor
No abstract provided.
Rheological Performance Of Bio-Char Modified Asphalt With Different Particle Sizes, Ran Zhang, Qingli Dai, Zhanping You, Hainian Wang, Chao Peng
Rheological Performance Of Bio-Char Modified Asphalt With Different Particle Sizes, Ran Zhang, Qingli Dai, Zhanping You, Hainian Wang, Chao Peng
Michigan Tech Publications, Part 1
To improve the performance of petroleum asphalt, bio-char was used as a modifier for a petroleum asphalt binder, in this study. The rheological properties of bio-char modified asphalt binders were compared with different particle sizes and contents, with one control and one flake graphite modified asphalt binder. Specifically, the bio-char modifiers with two particle sizes (ranging from 75 μm–150 μm and less than 75 μm) and three contents of 2%, 4%, and 8% were added into the asphalt binder. A flake graphite powder with particle sizes less than 75 μm was used as a comparison modifier. The Scanning Electron Microscopy …
The Adoption Of A Design Build Approach In Retrofit Projects – A Descriptive Case Study, Lloyd Scott
The Adoption Of A Design Build Approach In Retrofit Projects – A Descriptive Case Study, Lloyd Scott
Conference papers
The delivery Design Build projects across the built environment in Ireland has begun to take significant shape. There are many examples of the traditional are moving towards more collaborative practices. There exists support for the integration of a design build project approach in the retrofit realm where designer, client and developer can work collaboratively. As with the regular design build process the intent behind this collaborative approach is to encourage those associated with the built environment to consider how retrofit design and construction can contribute positively to addressing elements of climate change and the design build process. The opportunity to …
A Comparative Analysis Of Key Elements Of The Strategic Decision-Making Process Across Construction Professional Services Firms: Evidence From The Irish Construction Industry, Oluwasegun O. Seriki, Roisin Murphy Dr
A Comparative Analysis Of Key Elements Of The Strategic Decision-Making Process Across Construction Professional Services Firms: Evidence From The Irish Construction Industry, Oluwasegun O. Seriki, Roisin Murphy Dr
Conference papers
The Irish construction industry is experiencing a well-established growth phase following a prolonged recession. While the economic impact has been well documented, there remains less emphasis on discipline-specific studies pertaining to strategy within construction firms in Ireland. Additionally, evidence regarding strategic management within the construction sector is predominantly concentrated on contracting organisations, with less emphasis on highly knowledge-intensive professional service firms (PSFs). As the construction sector in Ireland continues its sustained growth, there have been increased calls within the industry for further collaboration between key stakeholders. However, exploring collaboration within project-centric firms without understanding the individual strategic decision-making processes within …
The Role Of Digitisation In The Strategic Planning Process Of Irish Quantity Surveying(Qs) Practices, Michael Adesi, Roisin Murphy, Dermot Kehily
The Role Of Digitisation In The Strategic Planning Process Of Irish Quantity Surveying(Qs) Practices, Michael Adesi, Roisin Murphy, Dermot Kehily
Conference papers
Digitisation is important to the transformation of many aspects of the construction industry such as strategic planning process in QS practices. Quantity Surveying (QS) practices largely apply digital technologies in construction project delivery, while neglecting the use of digital technologies in the strategic planning process. The aim of this paper is to investigate the role of digitisation in the strategic planning process of QS practices operating in Ireland. The study adopts a quantitative research methodology which is the first phase of an ongoing research project, by administering survey questionnaires to senior management of QS practices in Ireland. The findings of …
What You Don’T See, Brent Sturlaugson
What You Don’T See, Brent Sturlaugson
Architecture Faculty Publications
Follow the supply chains of architecture and you’ll find not just product manufacturers but also environmental polluters and elusive networks of financial power and political influence.
Advancing Bridge Technology, Task 10: Statistical Analysis And Modeling Of Us Concrete Highway Bridge Deck Performance -- Internal Final Report, Omar Ghonima, Thomas Schumacher, Avinash Unnikrishnan, Adam Fleischhacker
Advancing Bridge Technology, Task 10: Statistical Analysis And Modeling Of Us Concrete Highway Bridge Deck Performance -- Internal Final Report, Omar Ghonima, Thomas Schumacher, Avinash Unnikrishnan, Adam Fleischhacker
Civil and Environmental Engineering Faculty Publications and Presentations
Concrete highway bridge deck repairs represent the highest expense associated with bridge maintenance cost. In order to optimize such activities and use the available monies effectively, a solid understanding of the parameters that affect the performance of concrete bridge decks is critical. The National Bridge Inventory (NBI), perhaps the single-most comprehensive source of bridge information, gathers data on more than 600,000 bridges in all fifty states, the District of Columbia, and the Commonwealth of Puerto Rico. Focusing on concrete highway bridge deck performance, this research developed a nationwide database based on NBI data and other critical parameters that were computed …
Examining The Microeconomics Of Bid Difference Of Engineer & Contractor Bids In Highway Construction, Robert Ryan, Randy R. Rapp, Mark Shaurette, Sarah Hubbard
Examining The Microeconomics Of Bid Difference Of Engineer & Contractor Bids In Highway Construction, Robert Ryan, Randy R. Rapp, Mark Shaurette, Sarah Hubbard
The Professional Constructor
This study examines microeconomic factors that affect Bid Difference between the designer’s Engineer’s Estimate and the contractor’s Winning Bid. Historically, the accuracy of the Engineer’s Estimate and the Winning Bid vary. To account for this discrepancy, the Federal Highway Administration (FHWA) recommends a contingency be included in all Engineer’s Estimates. Statistical analysis was performed to determine if state Departments of Transportation (DOTs) were currently meeting the recommended Bid Difference values. Data was collected from California, North Carolina, and Ohio from 2012 through 2014. Statistical analysis indicates that current practices to develop an Engineer’s Estimate met the FHWA recommended values. With …
Designing A Modular Building: A Case Study For Modular Vs.Conventional Design For An Apartment Building, Christine Piper, Arun Thodupunoori
Designing A Modular Building: A Case Study For Modular Vs.Conventional Design For An Apartment Building, Christine Piper, Arun Thodupunoori
The Professional Constructor
To alleviate the diminishing number of tradespeople in the US construction industry, modular construction is an alternative construction process that could be used for repetitive construction applications. However, there are some misconceptions about modular construction including: limited architectural design options, design restrictions, lower quality, unaffordable and inability to design for sustainability. Modular construction is a process that streamlines the construction process and saves a significant amount of time while delivering a high quality building. In response to the misconception of design options, this case study presents the design considerations for transforming an apartment building that was designed and constructed using …
Application And Usage Of Design-Build By State Dots, Dennis Bausman, Mashrur Chowdhury, Christopher Cummings, Sasi Selvan
Application And Usage Of Design-Build By State Dots, Dennis Bausman, Mashrur Chowdhury, Christopher Cummings, Sasi Selvan
The Professional Constructor
This study examines the usage of design-build by the Department of Transportation (DOT) of the 50 states in the United States. Design-build has been growing in popularity as a procurement form in both the private and public sectors, and in the last ten years many DOTs have started or expanded programs to use design-build for infrastructure projects. However, many DOTs are still struggling to determine the best application of design build and how to incorporate its use as a procurement method for DOT projects. This study examines how state DOTs are using design-build, when they are using this delivery method, …
Assessment Of Electrical Contractors’ Perception And Practices With Project Risk Management, Anthony J. Perrenoud
Assessment Of Electrical Contractors’ Perception And Practices With Project Risk Management, Anthony J. Perrenoud
The Professional Constructor
Project Risk Management is a critical construction management skillset for identifying risks, assessing risks, strategizing, and executing risk mitigation plans. Proactive risk management has been found to reduce negative impacts to project objectives and increase customer satisfaction. To improve project risk management contractors have a method of measuring perceptions and practices of risk management, also known as risk maturity. Previous research has identified a model for measuring five major attributes of risk maturity they are (1) management’s perspective of risk management; (2) organizational risk culture; (3) risk identification; (4) risk analysis; and, (5) standardized risk management process. This study presents …
Collaborative Risk Mitigation Through Construction Planning And Scheduling, Lane Kay Coble
Collaborative Risk Mitigation Through Construction Planning And Scheduling, Lane Kay Coble
The Professional Constructor
No abstract provided.
Construction Disputes In The United States And The United Kingdom: A Comparison, Anusree Saseendran, Ben F. Bigelow, Zofia Rybkowski, Dawn Jourdan
Construction Disputes In The United States And The United Kingdom: A Comparison, Anusree Saseendran, Ben F. Bigelow, Zofia Rybkowski, Dawn Jourdan
The Professional Constructor
Construction disputes are on the rise globally. They adversely affect the progress and quality of a construction project by resulting in cost overruns and delays. They are also time-consuming and expensive to resolve. Hence it is valuable to identify the most disputed topics in construction in the US and compare them to those in a different country. This helps better understand disputes, and the influence that culture and the difference in the nature of construction in the regions may have on disputes. This study was an attempt to identify and compare the most disputed topics in construction in the United …
Development Of Self-Healing Mechanisms For Asphalt Pavements, Max Abelardo Aguirre Deras
Development Of Self-Healing Mechanisms For Asphalt Pavements, Max Abelardo Aguirre Deras
LSU Doctoral Dissertations
Self-healing mechanisms, such as microcapsules or hollow-fibers, filled with an asphalt rejuvenator present an emerging technology that would enhance an asphalt mixture’s resistance to cracking damage caused by vehicular and environmental loading. The objectives of this study were to: (a) Evaluate the effects of asphalt rejuvenators on hot-mix asphalt mixtures in order to test its effects on the fundamental engineering properties of the mixtures at high and intermediate temperatures; (b) Develop a synthesis procedure for production of microcapsules and hollow-fibers containing an asphalt rejuvenator; (c) Evaluate the self-healing efficiency of double-walled microcapsules and hollow-fibers filled with an asphalt rejuvenator, through …
Selecting The Most Effective Energy Modeling Tool Based On A Project Requirement, Sodiq Akande
Selecting The Most Effective Energy Modeling Tool Based On A Project Requirement, Sodiq Akande
Electronic Theses and Dissertations
Building energy usage can be derived and controlled by performing building energy modeling. BEM can be performed using numerous software tools such as DesignBuilder, OpenStudio, EnergyPlus etc. These modeling tools can be sorted into three different modeling categories: Black-box, Gray-box and White-box. It is important for a modeler to be able to quickly select the proper tool from the proper category to meet the need of the project. To validate the method of categorizing tools, the three models generated using tools from each category and the modeling outputs required were compared. Each model was designed to estimate the amount of …