Open Access. Powered by Scholars. Published by Universities.®

Engineering Commons™

Open Access. Powered by Scholars. Published by Universities.®

2017

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 3151 - 3180 of 8353

Full-Text Articles in Engineering

Design Of A Decision-Aiding Model Between Subtractive Manufacturing And 3d-Printing, Tuan Minh Ryan Pham, Colton Harrison Jun 2017

Design Of A Decision-Aiding Model Between Subtractive Manufacturing And 3d-Printing, Tuan Minh Ryan Pham, Colton Harrison

Industrial and Manufacturing Engineering

3D-printing is becoming more and more widely used in industry. As this happens, manufacturers are becoming unsure of when to use this new technology and when to trudge on with subtractive (conventional) manufacturing processes. Subtractive manufacturing processes are well-established within many manufacturing companies due to its high efficiencies and low costs. However, 3D-printing offers a greater level of customization, can be automated, and can easily have designs transferred via computer files. Each method has its respective advantages, however, each one also has its downfalls. Subtractive manufacturing produces unnecessary waste, is limited from creating certain geometries, and requires a skilled laborer …

Go to article

Golf Club Prototyping And Design For Spin Rate Tuning, Cole Nygren, Jordan Wright, Jesse Yap Jun 2017

Golf Club Prototyping And Design For Spin Rate Tuning, Cole Nygren, Jordan Wright, Jesse Yap

Industrial and Manufacturing Engineering

The aim of this project was to design a golf wedge capable of increasing backspin for the amateur golfer. This was accomplished by embedding a metal lattice structure behind the clubface to allow the face to elastically deform slightly upon impact. This would increase contact time between the club and ball. The mechanism of spin generation was discussed and the relationship between contact time and spin rate was established. The design was enabled by using additive manufacturing, which allowed for the generation of a metal lattice structure. An appropriate control and prototype were designed to minimize run time and material …

Go to article

Manufacturing Process And Product Design For Mass Production Of Environmentally-Friendly Fishing Lures And Weights, David Ichlokmanian, Justin Jake Bert Jun 2017

Manufacturing Process And Product Design For Mass Production Of Environmentally-Friendly Fishing Lures And Weights, David Ichlokmanian, Justin Jake Bert

Industrial and Manufacturing Engineering

The current industry standard for the manufacture of recreational fishing tackle uses lead-based weights and PVC or silicone-based lures. Both materials have serious negative effects on those who handle these products, waterfowl, fish, and other animals that may consume this discarded tackle. The goal of this project is to find and design an environmentally safe process and product alternative for this industry. To do this, we researched a large amount of viable safe materials for weights and lures and used decision matrices to decide on the best one. We found that brass would be the most suitable alternative and created …

Go to article

Addressing The Existence Of Overcrowding In The Cal Poly Rec Center Exercise Rooms, Josue Alvarez, Robert Hemphill Jun 2017

Addressing The Existence Of Overcrowding In The Cal Poly Rec Center Exercise Rooms, Josue Alvarez, Robert Hemphill

Industrial and Manufacturing Engineering

Cal Poly’s Rec Center is a facility that has been extremely popular among students ever since its initial creation many decades ago. Despite its popularity being a positive quality in most ways, it does ultimately yield a certain issue for the users of the facility; the issue of overcrowding. This senior project aimed to analyze the problem of overcrowding at the Rec Center and improve upon its most critical areas of impact. Ultimately, we identified the Rec Center’s exercise rooms as the most impacted area, with the issue of equipment unavailability being the largest factor. Thus, we designed alternative equipment …

Go to article

Design Of Standard Operating Procedures For Concrete Delivery And Pour Data Collection And Analysis, Andrew Willard, Mitchell Wilhelmsen Jun 2017

Design Of Standard Operating Procedures For Concrete Delivery And Pour Data Collection And Analysis, Andrew Willard, Mitchell Wilhelmsen

Industrial and Manufacturing Engineering

Webcor Concrete Group (WCG) is a self-perform subsidiary of Webcor Builders, a large general contractor in the state of California. Inefficiencies plague the construction industry, resulting in Webcor reaching out to the Cal Poly Industrial and Manufacturing Department and its students for help. The opportunity addressed in this report centers on a lack of concrete pour data collection. This gap results in a struggle to defend against, or pursue, backcharges with their concrete suppliers regarding additional labor costs or wasted material. The project objective is to provide WCG with a baseline data collection system and procedure, leading to increased back-charge …

Go to article

Carbon Fiber Monocoque Chassis Platform For Formula Sae And Formula Sae Electric Race Cars, Ford Eimon, Michael Gonzalez, Michal Kramarz, Nathan Powell, Kevin Ziemann Jun 2017

Carbon Fiber Monocoque Chassis Platform For Formula Sae And Formula Sae Electric Race Cars, Ford Eimon, Michael Gonzalez, Michal Kramarz, Nathan Powell, Kevin Ziemann

Mechanical Engineering

No abstract provided.

Go to article

Aerodynamic Drag On Intermodal Rail Cars, Philip Donovan Kinghorn Jun 2017

Aerodynamic Drag On Intermodal Rail Cars, Philip Donovan Kinghorn

Theses and Dissertations

The freight rail industry is essential to the US infrastructure and there is significant motivation to improve its efficiency. The aerodynamic drag associated with transport of commodities by rail is becoming increasingly important as the cost of diesel fuel increases. For intermodal railcars a significant amount of aerodynamic drag is a result of the large distance between containers that often occurs and the resulting pressure drag resulting from the separated flow that results due to their non-streamlined shape. This thesis reports on research that has been done to characterize the aerodynamic drag on intermodal train builds and allow their builds …

Go to article

An Analysis Of Enabling Techniques For Highly-Accessible Low-Cost Virtual Reality Hardware In The Collaborative Engineering Design Process, Joshua Q. Coburn Jun 2017

An Analysis Of Enabling Techniques For Highly-Accessible Low-Cost Virtual Reality Hardware In The Collaborative Engineering Design Process, Joshua Q. Coburn

Theses and Dissertations

While there currently exists a great deal of research in the literature demonstrating various engineering applications for virtual reality (VR) and the benefits of these applications, VR adoption has been slow in part because of the high cost and resources required to setup and maintain the hardware for these applications. However, in the last 5 years, a new generation of VR hardware has emerged with cost and resource requirements which are a small fraction of previous hardware. This work begins with a survey of this newly available hardware summarizing recent advances for providing virtual input to all of the five …

Go to article

How The Choice Of Bed Material Load Equations And Flow Duration Curves Impacts Estimates Of Effective Discharge, Michael James Cope Jun 2017

How The Choice Of Bed Material Load Equations And Flow Duration Curves Impacts Estimates Of Effective Discharge, Michael James Cope

Theses and Dissertations

The purpose of this study is to analyze how estimates of an important geomorphic parameter, effective discharge, are impacted by the choice of bed material load equations and flow duration curves (FDCs). The Yang (1979), Brownlie (1981), and Pagosa equations developed by Rosgen (2006) were compared for predicting bed material load. To calculate the bed material load using the Pagosa equations, the bedload and suspended load are calculated separately and the results are added together. To compare the effectiveness of the equations, measured bed material load data from the USGS Open-File Report 89-67 were used. Following the calculations, the equation …

Go to article

In Situ Characterization Of Voids During Liquid Composite Molding, Brock Don Zobell Jun 2017

In Situ Characterization Of Voids During Liquid Composite Molding, Brock Don Zobell

Theses and Dissertations

Global competition is pushing the composites industry to advance and become more cost effective. Liquid Composite Molding or LCM is a family of processes that has shown significant promise in its potential to reduce process times and cost while maintaining high levels of part quality. However, the majority of research and information on composite processes have been related to prepreg-autoclave processing which is significantly different than LCM. In order for LCM processes to gain large scale implementation, significant research is required in order to model and simulate the unique nature of the resin infusion process. The purpose of this research …

Go to article

Using The Voice Of The Student To Evaluate Learning Management Systems, Elizabeth A. Cudney, Susan L. Murray, Brittany Groner, Katie M. Kaczmarek, Bonnie Wilt, Kamaria Blaney, Julie Phelps Jun 2017

Using The Voice Of The Student To Evaluate Learning Management Systems, Elizabeth A. Cudney, Susan L. Murray, Brittany Groner, Katie M. Kaczmarek, Bonnie Wilt, Kamaria Blaney, Julie Phelps

Engineering Management and Systems Engineering Faculty Research & Creative Works

A learning management system is an educational tool employed in higher education to organize, document, track, report, and deliver courses. Selecting the appropriate learning management system is a critical decision for a university. This study explores the usability of two leading systems, Blackboard and Canvas, from the students’ perspective. The goal is to gather and analyze user preferences in order to select an appropriate learning management system. Data was collected through surveys of student’s experience with the two learning management systems. The survey evaluated the ease of the following tasks: finding course documents, viewing grades, ease of navigation, intuitiveness, and …

Go to article

Case Study On Virtual Reality In Construction, Kyle Eugene Haggard Jun 2017

Case Study On Virtual Reality In Construction, Kyle Eugene Haggard

Construction Management

Virtual reality has evolved into a practical technology that has recently been introduced across many different industries. In the construction industry alone, the innovative tool has started to show its worth by limiting rework, time savings, and identifying design flaws. This case study outlines the goals, benefits, and challenges for virtual reality in construction as it relates to BNBuilder’s Spectrum/Vertex project. Due to the infancy of the technology, suggestions were collected from the interviewees and discussed in the subsequent paragraphs. The information for this case study was collected from: phone call interviews from BNBuilders’ field and office employees, the vice …

Go to article

The Uk Bim Revolution, Wilbert R. Thompson Jun 2017

The Uk Bim Revolution, Wilbert R. Thompson

Construction Management

Building Information Modeling (BIM) is a relatively new technology many organizations are trying to efficiently implement in their workflows, as it can provide cost savings, reduce schedules, improve overall quality, as well as reduce conflicts and issues that arise throughout the construction process. In 2011 the UK government released a plan to mandate the use of BIM and collaborative procurement methods on all publicly funded projects with aims to reduce waste and costs, while also improving industry relations by becoming a more knowledgeable client. This paper highlights the challenges of transitioning from traditional construction workflows to collaborative methods, something essential …

Go to article

Whiting-Turner Plangrid Implementation On Oakland Global Logistics Center: A Case Study, Alex J. Cain Jun 2017

Whiting-Turner Plangrid Implementation On Oakland Global Logistics Center: A Case Study, Alex J. Cain

Construction Management

As construction project complexity continues to rise, there will be an increasing importance placed on a company’s ability to manage project information. This management is aided by the use of project management information systems (PMIS). These systems are made up of applications that help managers track project progress from start to finish. Whiting-Turner uses the application Plangrid within their PMIS. This paper will explore how Whiting-Turner implements Plangrid on the currently being constructed Oakland Global Logistics Center. In addition, this paper will review the fundamental concepts behind a PMIS, the framework of mobile computing applications, and the features of leading …

Go to article

Introducing Concentrations Into The Cal Poly Cm Program, Kevin L. Barry Jun 2017

Introducing Concentrations Into The Cal Poly Cm Program, Kevin L. Barry

Construction Management

This paper explores the introduction and integration of industry related concentrations into the Construction Management program at Cal Poly San Luis Obispo. Specialization has been an integral part of not only the construction industry, but also throughout the industrialization of America. With these concentrations, students will be able to select either an industry sector or job function they are interested in pursuing and take additional classes that dive deeper into that specific facet of industry rather than only brushing the surface with general construction education classes. This program will better prepare students for industry and give those who have a …

Go to article

Creating A Mentoring Program For Members Of The Cal Poly Women In Construction Club, Savannnah Monique Gauna Jun 2017

Creating A Mentoring Program For Members Of The Cal Poly Women In Construction Club, Savannnah Monique Gauna

Construction Management

The construction industry remains one of the most male dominate industries in the workforce. With universities like California Polytechnic State University, San Luis Obispo (Cal Poly, SLO) is placing significance on construction related career paths by offering coursework and graduate studies in construction management. That means a more diverse group of people, including women, are getting exposed to the construction industry and pursuing a college degree so they can obtain a good job. At Cal Poly, a new club was created to empowering women in construction through mentorship, youth outreach, industry support, and strengthening department interrelations. The purpose of this …

Go to article

A Recommendation To Implement "Spanish In Construction" Topics Course, Benjamin W. Dimer Jun 2017

A Recommendation To Implement "Spanish In Construction" Topics Course, Benjamin W. Dimer

Construction Management

The purpose of this report is to recommend the addition of a Spanish in Construction class to the Construction Management curriculum. Many of Cal Poly’s graduates enter a construction workforce which is composed heavily of Hispanic and Latino members. Historically, Hispanics and Latinos account for not only the most rapidly growing populations of construction, but also the most proportionally at-risk. In an industry as dangerous as construction, it is important that students are well-rounded and well-prepared to contribute as safely, efficiently, and flawlessly as possible. Thorough literature review and an interview of part-time Cal Poly lecturer and industry veteran, Eric …

Go to article

Analysis Of The Construction Management Co-Op Program At California Polytechnic State University, Danile Stanley Leavens Jun 2017

Analysis Of The Construction Management Co-Op Program At California Polytechnic State University, Danile Stanley Leavens

Construction Management

Work integrated learning (WIL) programs such as internships or co-operative education programs are a common way of providing practical experience to students while they are completing their degree. This paper will examine the benefits of WIL programs for the students, companies, and universities that actively participate in them. In addition, this analysis researches the findings of other studies on student’s success as a result of WIL programs, how companies are improved with higher quality employees, and the networking connections that universities receive due to students creating great relationships with companies. In an attempt to improve the Construction Management co-op program …

Go to article

A Case Study On Project Engage, A Step To Solve Alcoholism In The Construction Industry, Tyler Addison Lee Jun 2017

A Case Study On Project Engage, A Step To Solve Alcoholism In The Construction Industry, Tyler Addison Lee

Construction Management

Alcohol is very prevalent in most industries around the globe, but the construction industry has been placed at the top, ranking number two for the most people suffering from alcoholism in the industry according to SAMHSA’s study. Some experts have said this is due to the hard and physical requirements of the job, time requirements of the job, and the stress involved within building a construction project. Common practice in the industry is that when a person is cited for being under the influence while at work, they will be let go, fired, or given a warning depending on the …

Go to article

Self-Healing Concrete In Commercial Construction, James Anthony Frazier Jun 2017

Self-Healing Concrete In Commercial Construction, James Anthony Frazier

Construction Management

Crack formation is common among concrete used for all different types of construction. While cracking is inevitable in concrete, it can create instabilities that can compromise an entire building’s structural integrity. New advancements are being made in the biological and engineering fields that are providing a solution to this problem. Certain bacteria and chemicals when mixed provide a reaction that creates limestone material to re-heal cracks in concrete. Using these materials to create this reaction, while incorporating the reactants necessary in concrete mixtures for building, it is possible to eliminate maintenance costs and improve building strength over time. Currently, these …

Go to article

Advantages Of Integrating Technology Knowledge Into Undergraduate Curriculum, Nicholas Nam Jun 2017

Advantages Of Integrating Technology Knowledge Into Undergraduate Curriculum, Nicholas Nam

Construction Management

Advancements in technology have made daily construction tasks easier and more efficient and will continue to do so. Cal Poly currently offers a BIM course but it is limited to certain programs and the extent of which these are taught are also limited. This paper will explore the inputs of current Cal Poly construction management students to see how there can be a successful implantation of technology courses and which programs to heavily integrate. The different types of programs available are increasing and are continuing to better themselves, and to have knowledge of these programs can help translate into skills …

Go to article

Design And Construction Of A Corrugated Metal Roof For Rebuilding Together In San Jose, Ca, Zachary Thomas Pollard Jun 2017

Design And Construction Of A Corrugated Metal Roof For Rebuilding Together In San Jose, Ca, Zachary Thomas Pollard

Construction Management

This paper will examine the design development, estimation, and construction of a corrugated metal roof for Rebuilding Together, a nonprofit in San Jose, CA. The contents herein discuss the multitude of steps required to see a construction project from its inception to its completion. Beginning with its schematic design, the project went through many revisions as the conceptual design was modeled in a 3D modeling program called ARCHICAD. Once modeling was complete, the material required to completed the project was taken off using four different material sets – estimates were then complied for each of these material sets and sent …

Go to article

Recyclable Waste Material As Substitute Aggregate In Concrete, Cannon Michael Lynch Jun 2017

Recyclable Waste Material As Substitute Aggregate In Concrete, Cannon Michael Lynch

Construction Management

Trash pollution is a serious problem that the world is facing and while there are current efforts to clean up the environment, there still exists the issue of what to do with the trash once collected. Waste material, especially plastic, is littering the ocean and poses a serious threat to wildlife. The construction industry makes a good effort of trying to limit its negative impact on the environment, but it can potentially solve the problem of pollution using one specific material, concrete. The best part about concrete is that its compressive strength can be manipulated by adding or removing certain …

Go to article

Confidence Analysis Of Superintendents: Trades Vs. School, Paul S. Lavanne Jun 2017

Confidence Analysis Of Superintendents: Trades Vs. School, Paul S. Lavanne

Construction Management

Today, knowledgeable and reliable superintendents are in high demand throughout the construction industry. However, it seems to becoming more and more uncommon for a superintendent to come up through the more traditional route via the trades. It appears that it is becoming more common for superintendents to attend a university and attain a degree relating to construction. This begs the question though, does this new generation have what it takes to match their counterparts that come up through the trades? With this new direction being taken, it makes us wonder if universities are helping set a solid foundation for these …

Go to article

Remodeling Office For Growing Grounds, Kyle R. Fawley Jun 2017

Remodeling Office For Growing Grounds, Kyle R. Fawley

Construction Management

This project was my first real re-condition project for a portion of an office space for Growing Grounds Farm here in San Luis Obispo. The purpose of this essay is to look back onto my experience and see how much I struggled and learned, and how I can benefit from it in the future. Throughout my project, I made sure there was constant communication between myself and Craig Wilson, program manager for Growing Grounds Farm, with clarifications and several updates. I made sure to fit and complete the project within my tight schedule and adjust it throughout the process. Throughout …

Go to article

A Case Study In The Improvement Of Construction Efficiency Via The Analysis Of Contemporary Sustainable Practices, Pablo J. Anzoategui Jun 2017

A Case Study In The Improvement Of Construction Efficiency Via The Analysis Of Contemporary Sustainable Practices, Pablo J. Anzoategui

Construction Management

Construction firms can sometimes reflect a lack emphasis over environmental concerns in the design and implementation of building projects. This does not have to be the case however. The following report details some current sustainable construction materials, technique, design, and building practices. It then discusses the implementation of such practices on an individual case basis. The site chosen was Hanover Page Mill, a cutting-edge LEED platinum green built office suite in Palo Alto. Research into sustainable practices was then applied to the building and combined with direct consultation and visual inspection to analyze the effectiveness of the project design and …

Go to article

Concrete Industry Management In Higher Education, Irl Thomas Barajas Jun 2017

Concrete Industry Management In Higher Education, Irl Thomas Barajas

Construction Management

This Paper Focuses on the concrete industry and programs that prepare college students for their future in it and to try and implement some sort of concrete program at Cal Poly. The idea to make Concrete Industry Management first came along at Middle Tennessee State University in 1996, but only a few other programs have started at other schools since then. These programs focus on skills for graduates to enter the concrete industry in production, project management, sales, and marketing. They are structured similar to the way Construction Management programs are structured and have similar courses like estimating, sustainability, and …

Go to article

Women’S Aquaculture Cooperative Program: A Humanitarian Project Through Journeyman International, Dalton Crump Jun 2017

Women’S Aquaculture Cooperative Program: A Humanitarian Project Through Journeyman International, Dalton Crump

Construction Management

The Women's Aquaculture Cooperative Program (WACP) is a partnership between the humanitarian platform Journeyman International (JI) and the African energy company Afritech Energy, who aims to provide sustainable, affordable energy to the most remote regions of Africa. The WACP is in the Bihongora region of Rwanda, which currently has no electricity or infrastructure. Afritech plans to build the 5,000 kW Bihongora Hydroelectric Power Plant and create Lake Bihongora in order to power and operate the aquaculture. The project will provide women in the region with the education needed to fully run, operate, and profit from the aquaculture "micro-business." The project …

Go to article

Heavy Equipment As A Topics Course At Cal Poly San Luis Obispo Construction Management Curriculum, Samuel G. Duner Jun 2017

Heavy Equipment As A Topics Course At Cal Poly San Luis Obispo Construction Management Curriculum, Samuel G. Duner

Construction Management

In the construction industry it has been said that no project is the same. That each project awarded to a contractor will have new and unique details that were not faced in the previous projects. However, all the management skills acquired by the project team will be used to complete the current project. One of those skills that seems to be underutilized and does not receive enough emphasis, is the management of heavy equipment. The purpose of this paper will be to highlight details of heavy equipment management that need to be emphasized in the Cal Poly construction management curriculum, …

Go to article

Journeyman International Construction Services Brazil Elementary School, Kotaro Kiriharo Jun 2017

Journeyman International Construction Services Brazil Elementary School, Kotaro Kiriharo

Construction Management

This project-based senior project is a partnership with Journeyman International (JI), an interdisciplinary, non-profit organization that is based in downtown San Luis Obispo. JI matches students and volunteers with humanitarian projects all over the world. For the purpose of this project, students from the College of Architecture and Environmental design were paired in order to compile both design and construction service documents for an elementary school in Brazil. The Elementary School, which will be called Nossa Escola de Terra, will be built in Cabo de Santo Agostinho, a small town located in the state of Pernambuco, Brazil. This paper highlights …

Go to article

First Prev Next Last