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Articles 121 - 150 of 4357
Full-Text Articles in Engineering
Scheduling As An Organizational Capability, Felix Delmonte
Scheduling As An Organizational Capability, Felix Delmonte
Mechanical and Civil Engineering Faculty Publications
This study synthesizes evidence on schedule governance as an organizational capability integrating Lean practices, BIM, Digital Twin, and AI to convert scheduling into continuous, data driven decision making that links front line observations to executive risk appetite and funding choices, showing how 4D/5D BIM, clash detection, automated material takeoff, and IoT enabled twins shorten planning horizons, reduce design errors by up to 80%, improve timeline adherence by 20%–30%, and, when AI is applied, further cut delays by about 18% and procurement costs by approximately $2.5 million; a four layer Integrated Lean–Digital Framework is proposed to align strategic intent, collaborative digital …
Risk Management Strategies Used By Project Leaders In Construction Projects On The East Coast, Dylan David Decuffa
Risk Management Strategies Used By Project Leaders In Construction Projects On The East Coast, Dylan David Decuffa
Construction Management
Construction projects are often defined by their visible outcomes, structures completed on time, within budget, and built to the required standards. Yet beneath these outcomes lies a less visible force that quietly shapes whether success is achieved or compromised. Uncertainty is present in every phase of construction, influencing decisions, performance, and ultimately the trajectory of the project. The ability to recognize and respond to this uncertainty may separate projects that proceed with stability from those that experience delays, escalating costs, and diminished quality. Project managers, superintendents, project engineers, and other related fields play a central role in navigating this uncertainty …
Failure Of Infrastructure Systems: A Multilevel Network Analysis Of Decision-Making And Influential Behavioral Constructs, Tamima Elbashbishy, Radwa Eissa, Islam H. El-Adaway, Jeffrey S. Russell
Failure Of Infrastructure Systems: A Multilevel Network Analysis Of Decision-Making And Influential Behavioral Constructs, Tamima Elbashbishy, Radwa Eissa, Islam H. El-Adaway, Jeffrey S. Russell
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
High-profile failures of infrastructure systems are often attributed to design flaws. However, these incidents can also stem from a broader set of interconnected decisions made by stakeholders involved in the planning, management, and operation of these systems. While ethical guidelines and professional codes are designed to prevent such failures, cognitive biases may undermine adherence. Previous research efforts, primarily focused on ethical violations using case studies, have overlooked how behavioral ethics constructs and professional conduct could drive these breaches. This paper addresses this knowledge gap by (1) conducting an analysis of three system failure cases at the micro, meso, and macro …
An Analysis Of Injury And Fatality Trends In The U.S. Construction Industry, Ryan Dutt
An Analysis Of Injury And Fatality Trends In The U.S. Construction Industry, Ryan Dutt
Construction Management
Construction work is one of the most dangerous industries in the United States, with different trades and work types showing various risk levels for injuries and fatalities. This paper’s objective is to identify the safety trends in construction over the past 10 to 20 years and understand the trades, accident types, and construction sectors with the highest safety risks. All of the data was obtained from the Occupational Safety and Health Administration (OSHA), the Bureau of Labor Statistics (BLS), the National Institute for Occupational Safety and Health (NIOSH), and the National Safety Council (NSC) databases, broken down by trade, accident …
Slo Botanical Garden Outdoor Classroom, Nathan Berger, Jake Galster
Slo Botanical Garden Outdoor Classroom, Nathan Berger, Jake Galster
Construction Management
This paper focuses on the construction and completion of outdoor benches and tabletops for the renovation of the SLO Botanical Garden’s Outdoor Classroom. This project is student lead for the completion of the Cal Poly SLO Construction Management curriculum requirement of a senior project by the project team consisting of Nathan Berger and Jake Galster. The objective of the project is to build two 12’ long benches that allow the SLO Botanical Garden staff to store four bins beneath each bench. The table tops objective to provide students in the outdoor classroom a flat and level workspace that is removable …
Thousand Hills Pet Resort Ada Compliant Access Ramp And Connecting Deck: Preconstruction Activities, Sonya Nahama Wijoyo
Thousand Hills Pet Resort Ada Compliant Access Ramp And Connecting Deck: Preconstruction Activities, Sonya Nahama Wijoyo
Construction Management
This paper presents the design and preconstruction of an ADA-compliant access ramp and connecting deck system for two mobile homes located at Thousand Hills Pet Resort. The primary objective was to enhance accessibility and safety for residents by providing code-compliant, durable, and functional access to the mobile homes on site. This project is interdisciplinary between construction management and architectural engineering. The project began with a site evaluation to assess existing conditions. Field measurements and site observation guided planning decisions and helped identify potential challenges. Following the site evaluation, the project proceeded into the design phase, where the ramp and deck …
Skip The Grid 25-26: A Safety-Driven Solar Installation Project In The Navajo And Hopi Nations, James R. Wall
Skip The Grid 25-26: A Safety-Driven Solar Installation Project In The Navajo And Hopi Nations, James R. Wall
Construction Management
Skip the Grid is an interdisciplinary service-learning project that provides sustainable energy solutions to families with school-aged children living in the Navajo and Hopi Nations. In March 2026, a team of 23 students from five academic disciplines at California Polytechnic State University (Cal Poly) partnered with Heart of America, SOLV Energy, and NextPower to complete the fifth year of the program. The project's purpose was to improve quality of life and support educational success by providing reliable access to electricity, lighting, and refrigeration in underserved communities. Participants were organized into five installation teams consisting of Cal Poly students, faculty, industry …
The Future Of Commercialized Bamboo Construction, Katie Hunt
The Future Of Commercialized Bamboo Construction, Katie Hunt
Construction Management
Bamboo construction is a niche area of research and development in the sustainable construction realm. The material has impressive structural properties and minimal carbon emissions relative to the world’s most common building materials (concrete, steel, and timber). It has long been used to build homes in tropical regions around the world. Outside of these regions, bamboo is rarely used for construction despite its abundant benefits as a sustainable building material. This report took an interview-based approach to address why bamboo is not more popular in the American commercial construction market and where it has potential for growth in the global …
Slo Botanical Garden Lean-To Carport, Saul Gracian, Sergio Gonzalez
Slo Botanical Garden Lean-To Carport, Saul Gracian, Sergio Gonzalez
Construction Management
This paper documents the planning, design, funding, and construction of a lean-to carport for the San Luis Obispo Botanical Garden, completed as a student-led Construction Management senior project by Saul Gracian and Sergio Gonzalez. The purpose of the project was to provide a functional storage structure for garden equipment while applying construction management principles in a real-world, nonprofit setting. The project methodology included site evaluation, collaborative design development, cost estimating, funding acquisition, regulatory review, and hands-on construction. Design decisions were informed by site constraints, county code requirements, budget limitations, and stakeholder input, resulting in a final 10’ x 12’ structure …
Residential Boundary Fence Installation In Oceano, Ca, Ulysses Beas
Residential Boundary Fence Installation In Oceano, Ca, Ulysses Beas
Construction Management
This Senior Project focuses on the planning and execution of a residential boundary wooden fence for an elderly homeowner located in Oceano, California, alongside a partial front yard renovation that was an appreciation gift from her grandson. Prior to construction, the front yard was divided by a small ornamental iron fence, which provided very little privacy. This fence installation was designed to improve privacy, security and overall safety while working alongside hired concrete laborers. Not only was the goal to improve safety but also the aesthetics of the home. This Project includes a project scope statement, site measurements, fence layout, …
Slo Garden Guy: Applying Construction Management Principles To A Residential Woodworking Business, Carson Smith
Slo Garden Guy: Applying Construction Management Principles To A Residential Woodworking Business, Carson Smith
Construction Management
This senior project applies construction management principles to evaluate the launch, performance, and future direction of SLO Garden Guy, a small-scale residential woodworking venture operating in San Luis Obispo. The project implemented structured estimating, standardized workflows, financial tracking, and risk analysis to assess real market demand, operational efficiency, and long-term scalability. Over the course of operation, the business completed numerous customer orders and demonstrated consistent seasonal demand patterns, particularly during peak gardening months. Analysis of production capacity, cost structure, and regulatory considerations provided insight into both the strengths and limitations of a niche, product-based service model. While the operation proved …
From Concept To Construction: A Carport For The Slo Botanical Garden, Trent A. Denholm
From Concept To Construction: A Carport For The Slo Botanical Garden, Trent A. Denholm
Construction Management
This paper documents the design, budgeting, procurement and construction of a timber framed carport with architectural shingle roofing at the San Luis Obispo Botanical Garden (SLOBG). The Botanical Garden, a nonprofit organization dependent on community support and volunteer labor, identified the need for covered storage and a dedicated charging station for its golf cart, a vehicle central to daily operations across the property. Without permanent shelter, the cart was exposed to the elements year-round, which contributed to equipment wear and reduced operational efficiency. Working simultaneously as project manager and lead builder, Trent coordinated stakeholder relationships, developed a project budget, secured …
Impact Of Regional Heat Differences On Construction Productivity: A Comparative Study Of California’S Central Valley And Central Coast, Berthalidia Acosta
Impact Of Regional Heat Differences On Construction Productivity: A Comparative Study Of California’S Central Valley And Central Coast, Berthalidia Acosta
Construction Management
Construction productivity is influenced by many environmental conditions, particularly extremely high temperatures. In regions where high temperatures are normal, workers experience increased fatigue, require additional safety controls, and can even lead to scheduling conflicts. This senior project evaluates how heat differences in two parts of California affect productivity by comparing two projects managed by the same general contractor: one located in California’s Central Valley (Sacramento) and one located on the Central Coast (San Luis Obispo). Throughout the study, there will be two data sources seen: weekly labor recap reports focusing on a particular task (Concrete) and semi-structured interviews with industry …
Life Cycle Assessment And Cost Analysis Of Exterior, Electrical, And Appliance Systems In A Prefabricated Mass Timber Residential Unit, Ella Rohrbough
Life Cycle Assessment And Cost Analysis Of Exterior, Electrical, And Appliance Systems In A Prefabricated Mass Timber Residential Unit, Ella Rohrbough
Construction Management
This study presents a detailed process-based life cycle assessment and life cycle cost analysis of selected building systems within a prefabricated mass timber residential unit constructed through an interdisciplinary design build project at California Polytechnic State University. The research focuses specifically on exterior envelope systems electrical infrastructure and major appliances. Material quantities were derived from a comprehensive construction material takeoff and modeled in OpenLCA using the ecoinvent database. A cradle to site system boundary including modules A1 through A5 was applied to quantify embodied environmental impacts such as global warming potential acidification fossil fuel depletion and human toxicity. Results indicate …
Case Study: The Benefits Implementing Azure 3d Printed Homes Onto Dignitymoves Project In San Luis Obispo, Lucy E. Heimer
Case Study: The Benefits Implementing Azure 3d Printed Homes Onto Dignitymoves Project In San Luis Obispo, Lucy E. Heimer
Construction Management
California is actively addressing the challenges of housing shortages and climate change. These challenges have shifted the construction industry, steering the market into finding more sustainable means of construction. This case study evaluates the sustainable benefits of modular construction fabricated by Azure Homes. The focused project is a DignityMoves project in San Luis Obispo where modular units are factory built in El Segundo, CA and set on site. DignityMoves is a nonprofit organization that aims to provide housing for unhoused individuals throughout California. Thus far, DignityMoves has opted to use prefabricated modular units as their primary means of construction on …
Drainage And Pedestrian Access Improvements At City Farms Slo, Benjamin Marc Kocher, Jacob Anthony Booker
Drainage And Pedestrian Access Improvements At City Farms Slo, Benjamin Marc Kocher, Jacob Anthony Booker
Construction Management
This senior project focused on planning, designing, and constructing drainage and pedestrian access improvements at City Farms SLO, a nonprofit in San Luis Obispo that promotes sustainable agriculture and youth education. Prior to construction, the site experienced significant stormwater pooling and erosion in a central area of the farm, making daily operations and visitor access difficult during wet weather. The team excavated an 80-foot trench drain with appropriate slopes, installed a 15-foot corrugated HDPE culvert with proper bedding and backfill, built a seven-foot pedestrian bridge over the trench, and created a 17-foot gravel pathway connecting the bridge to an existing …
Analysis Of Construction Trends On California’S Central Coast, Erik G. Asplund
Analysis Of Construction Trends On California’S Central Coast, Erik G. Asplund
Construction Management
The California Central Coast experiences sustained housing demand and infrastructure pressure, yet it lacks the visible concentration of construction firms found in larger markets. This study examines why construction activity in the region appears limited despite a strong demand. Using a qualitative, interview-based approach, four construction companies who operate across Monterey, San Luis Obispo, Santa Barbara, and Ventura Counties were interviewed to identify recurring themes related to labor, environmental regulation, housing feasibility, technology adoption, and future outlooks. The study concludes that structural constraints rather than lack of opportunity limit the scalability of construction on the Central Coast.
Assessing The Current Experiences With Electrically- Powered Construction Vehicles Within The Heavy Civil Industry, Matthew Joseph Beauchesne
Assessing The Current Experiences With Electrically- Powered Construction Vehicles Within The Heavy Civil Industry, Matthew Joseph Beauchesne
Construction Management
Heavy machinery, such as cranes, trucks, dozers, and more, are a necessity to build dams, bridges, highways, and all the other types of projects within the Heavy Civil Construction industry. Traditionally, such machinery is powered using fossil fuels - gas or diesel - which in turn affects both the efficiency and emissions of these vehicles. This study focuses on the prospects of using alternative energy - namely electricity - to power such vehicles, and these electric variants differ from their fossil fuel using versions. The methodology of this paper involved seeking out construction contractors within the Heavy Civil sector who …
Evaluating The Feasibility Of Recycled Asphalt Pavement And Warm Mix Asphalt In California Highway Construction, Ryan A. Milanesa
Evaluating The Feasibility Of Recycled Asphalt Pavement And Warm Mix Asphalt In California Highway Construction, Ryan A. Milanesa
Construction Management
California’s highway infrastructure faces increasing material costs, limited aggregate availability, and aggressive greenhouse gas reduction mandates. Reclaimed Asphalt Pavement (RAP) offers a practical solution to reduce virgin binder demand and improve sustainability. However, Caltrans maintains conservative RAP limits due to concerns regarding stiffness related cracking and long term durability. This research evaluates the feasibility of increasing RAP content to approximately 40% when combined with Warm Mix Asphalt (WMA) technologies under California performance standards. A performance based framework was developed by reviewing federal guidance, peer-reviewed fatigue studies, life cycle cost analysis, and environmental assessment literature. Findings indicate that high RAP mixtures …
A Comparison Of Waste Management Practices In Residential And Commercial Construction, Jayce S. Ford
A Comparison Of Waste Management Practices In Residential And Commercial Construction, Jayce S. Ford
Construction Management
Construction Waste continues to be a major issue within the construction industry, affecting project costs, schedules, and environmental performance. A large portion of construction and demolition materials/ waste ends up in landfills. This is due to poor planning, limited worker training, and inefficient jobsite practices. This research-based senior project examines waste management efficiency on construction jobsites, while comparing and contrasting residential and commercial construction practices. The study evaluates how contractors manage material separation, recycling, reuse, and disposal of common construction waste. These include wood, drywall, concrete, metals, and packaging. A mixed-methods approach is used combining a review of academic and …
Developing And Commercializing Large Language Model Applications For Automated Construction Submittal Review Requirements, Ryan Cracolice
Developing And Commercializing Large Language Model Applications For Automated Construction Submittal Review Requirements, Ryan Cracolice
Construction Management
The construction industry faces persistent challenges in document management, quality assurance, and project coordination. Despite advances in project management software, critical workflows such as submittal review, drawing interpretation, and specification compliance remain predominantly manual processes that consume significant project management resources and introduce risk through human error. Point Construction is an entrepreneurial venture that applies artificial intelligence and advanced imaging technologies to automate and enhance construction document intelligence. The platform integrates directly with industry-standard project management systems to provide AI-driven submittal review, automated drawing analysis, intelligent specification cross-referencing, and natural language querying of project documents. This paper details the conception, …
Family Christian Center Storage Shed, Jacob Nehemiah Zuniga
Family Christian Center Storage Shed, Jacob Nehemiah Zuniga
Construction Management
This project focused on the planning and construction of a storage shed for my church to address growing space limitations. As classrooms and other functional areas were being used for storage, the goal was to create a dedicated storage solution that would free up interior space for ministry use. After receiving approval from church leadership, I developed a full project plan including a scope of work, cost estimate, quantity takeoff, schedule using Microsoft Project, site logistics plan, safety plan, and construction drawings. I also coordinated with the City of Patterson Planning Department to ensure compliance with local requirements. The project …
Factors Impacting Wildland-Urban Interface (Wui) Fires: A Systematic Literature Review, Albert Jimenez
Factors Impacting Wildland-Urban Interface (Wui) Fires: A Systematic Literature Review, Albert Jimenez
Construction Management
Fires in the wildland-urban interface (WUI) pose a significant danger to communities. The WUI refers to the space where development meets vegetation. Significant research has been conducted into wildfire and WUI vulnerability across the world to help combat vulnerability. These include the identification of factors of vulnerability to create indices that quantify vulnerability, and address scope gaps and inconsistencies within literature. However, existing research seems to be fragmented in finding the WUI vulnerability factors and often it focuses on wildfires and not WUI fires. The objective of this systematic literature review is to synthesize wildfire vulnerability factors identified in the …
The Impact Of Bilingual Superintendents On A Multilingual Job Site, Cesar Barajas
The Impact Of Bilingual Superintendents On A Multilingual Job Site, Cesar Barajas
Construction Management
Language barriers are frequently encountered on construction job sites. Construction crews can often be limited in their proficiency when speaking English and in states like California, construction superintendents oversee a lot of Spanish-speaking crews. This study aims to identify if bilingual superintendents lead to better performing projects. Communication impacts major metrics of project performance including schedule, rework costs, safety performance, and coordination across trades. This qualitative study includes superintendents, project managers, and field crew semi structured interviews backed by survey answers. Interview participants discuss specific examples of how communication can affect jobsite performance both negatively and positively. Subjects are asked …
Impact Of Femalized Kinesthetic Learning Model On African American Middle School Girls’ Career Interest, Mercy F. Fash, Andrea Ofori-Boadu
Impact Of Femalized Kinesthetic Learning Model On African American Middle School Girls’ Career Interest, Mercy F. Fash, Andrea Ofori-Boadu
Journal of Global Education and Research
Engaging African American middle school girls in out-of-school-time (OST) Architecture, Engineering, and Construction (AEC) programs can boost interest in male-dominated AEC careers. This study adopts Lent’s Social Cognitive Career Theory to evaluate the impact of an OST feminized AEC kinesthetic learning model (fAEC-KLM) on the career interests of this demographic. Through a qualitative research approach, fourteen (14) African American middle school girls from Guilford County, NC, completed pre- and post-interviews on how fAEC-KLM interactions influenced their AEC career interests. Inductive thematic analysis was carried out on transcribed interviews. Results show that effective components, such as lectures on AEC, bridge construction …
Cmbuilder Introduction Tutorial, Hannah G. Benner
Cmbuilder Introduction Tutorial, Hannah G. Benner
Construction Management
This paper details the process and deliverables for a introductory-level tutorial for the program, cmBuilder. Recognizing the software’s growing relevance in the construction industry and its ease of-use, this student tutorial project aims to provide early exposure to the program for first- and second-year Cal Poly Construction Management students. There is currently no existing course or module at Cal Poly that covers an introduction to the basics of cmBuilder, so the goal of this course module is to bridge that gap. The deliverable is a course module for the Fundamentals of Virtual Design and Construction class, containing two tutorial videos …
Post-Fire Inspection, Material Testing, Repair, And Field Load Testing Of A Full-Scale Concrete Box Girder Bridge: Delta Bridge Case Study, Ahmed S. Eisa, Hilal Hassan, Mohamed A. Badran, Ayman El-Zohairy
Post-Fire Inspection, Material Testing, Repair, And Field Load Testing Of A Full-Scale Concrete Box Girder Bridge: Delta Bridge Case Study, Ahmed S. Eisa, Hilal Hassan, Mohamed A. Badran, Ayman El-Zohairy
Faculty Publications
Bridges are critical components of transportation networks, and fire accidents can significantly impair their structural integrity, leading to safety risks and major economic losses. This study presents a comprehensive inspection, materials testing, repair, and field load testing program for a full-scale concrete box girder bridge (Delta Bridge, Alexandria, Egypt) following a fire exposure on two spans. A total of 28 concrete core samples were extracted and tested, revealing average compressive strengths of 48.50 MPa (slab), 53.90 MPa (web), and 45.88 MPa (columns), representing moderate reductions of approximately 8.5%, 7.9%, and 10.8%, respectively, relative to the original in situ concrete strength …
Enhancing Workforce Development In Construction Management Through Collaborative Teaching (Co-Teaching) Models, John Annor, Francois Jacobs
Enhancing Workforce Development In Construction Management Through Collaborative Teaching (Co-Teaching) Models, John Annor, Francois Jacobs
Online Journal for Workforce Education and Development
This study evaluated the effectiveness of a collaborative co-teaching initiative implemented across three educational institutions—the University of State, Community College, and High School—through two key construction courses: Construction Materials and Methods and Construction Safety. Designed to bridge gaps across educational levels, the initiative adopted a mixed-methods research approach to assess student learning outcomes, instructional effectiveness, and stakeholder perceptions. Quantitative data were collected from standardized assessments, including quizzes, a safety plan project, and exams administered across multiple years. Analytical techniques such as Welch's two-sample t-tests and Welch ANOVA were employed to compare student performance between and within institutions, adjusting for unequal …
A Longitudinal Study Of Workforce Trends And Challenges In The Construction Industry Of A Rural State: A Case Study Of Wyoming, John Annor, Francois Jacobs
A Longitudinal Study Of Workforce Trends And Challenges In The Construction Industry Of A Rural State: A Case Study Of Wyoming, John Annor, Francois Jacobs
Online Journal for Workforce Education and Development
Wyoming’s construction sector, while often eclipsed by extractive industries, plays a vital role in supporting statewide economic activity and infrastructure development. This study investigates key labor force trends in the sector from 2010 to 2024, focusing on employment patterns, age-based workforce composition, and wage trajectories. Drawing on monthly data from the Wyoming Department of Workforce Services, the analysis employs descriptive statistics, time series modeling, and cross-variable analysis to explore sectoral vulnerabilities. Findings reveal a cyclical employment structure marked by seasonal peaks and troughs, with a notable disruption during the COVID-19 pandemic in 2020. The workforce is aging rapidly, with workers …
Development Of A Novel Innovative Umbrella Falsework System For Concrete Slabs, Abdelazem Hashim
Development Of A Novel Innovative Umbrella Falsework System For Concrete Slabs, Abdelazem Hashim
Theses and Dissertations
Formwork is one of the major elements that contribute to the cost and duration of concrete building projects. This is why optimizing such an element can lead to huge savings to all parties involved in the construction projects. With contractors facing huge challenges in such a competitive industry and employers seeking the least price and least duration for their projects, contractors are constantly under the obligations of finding the best alternatives to deliver their projects in terms of both time and money. Therefore, the main aim of this research project is to develop a falsework system, where the falsework system …