Digital Commons Network^™

Flexural Behavior And Failure Mode Assessment Of Concrete-Encased Steel Beams Constructed With Experimental Cardboard Formwork, Luke Robert Jones, Drew Takeshi Kawaguchi

Architectural Engineering

This project investigated the flexural behavior of a concrete-encased W8×13 steel beam detailed without conventional longitudinal reinforcement and constructed using an experimental cardboard/Masonite formwork system. A bare steel control specimen and an encased composite specimen were tested under identical loading conditions to evaluate the effects of concrete confinement and welded transverse reinforcement on lateral-torsional buckling behavior. Results showed that the encased specimen remained laterally stable and developed flexural cracking and concrete crushing rather than the lateral-torsional buckling observed in the control beam. The study also demonstrated that the modified cardboard formwork successfully contained the concrete without the seepage failures observed …

Building With Mass Timber. A Comparative Analysis Of Mass Timber Production In The United States And Europe, Polina Slaboff

Architectural Engineering

The construction and building industries are some of the largest contributors to global carbon emissions accounting almost 42% of global emissions according to Architecture 2030 (2026), prompting increased interest in sustainable building materials such as mass timber. This paper investigates mass timber production in the United States and Europe through a comparative analysis of supply chain, vertical integration, manufacturing processes, machinery, and policy differences. Despite the United States’ abundant forest resources and a growing market demand, American mass timber production continues to lag behind Europe due to limited mill operation, limited vertical integration and demand in commodity lumber, production processes, …

Stem Workshops For Pre-K Students, Sofia Berg, Ashlyn Swoboda

Architectural Engineering

This project involved the development and implementation of a four-part structural engineering workshop series for preschool-aged children at the Orfalea Children’s Center at California Polytechnic State University, San Luis Obispo. The workshops were designed to introduce fundamental structural engineering concepts through age-appropriate discussions, demonstrations, and hands-on activities focused on engineering careers, structural shapes, skyscrapers, and bridges. The lessons emphasized concepts such as stability, bracing, structural loading, seismic behavior, and iterative design while encouraging collaboration, creativity, and problem solving.

Throughout the workshop series, students actively participated in discussions, demonstrated enthusiasm for engineering activities, and were able to recall concepts introduced in …

Thousand Hills Pet Resort Deck Design, Kenzie Brown

Architectural Engineering

On-site residential units at Thousand Hills Pet Resort currently lack ADA-compliant access, as entry is limited to small, elevated doorways that are only reachable by stairs. A deck connecting the units and providing accessible ingress and egress was designed for this senior project.

In addition to the ADA requirements, the property is expected to undergo significant redevelopment in the coming years. As a result, the deck design must not only meet accessibility needs but also be adaptable and reusable. The final design is a modular deck structure utilizing a hybrid foundation system that facilitates future relocation of the deck. The …

Modular House Design Study, Jordan J. P. Smith

Architectural Engineering

The Modular House is a student designed and constructed structure in Poly Canyon. For decades it served as a home for the Canyon’s caretakers who maintained the structures, looked over the Canyon, and helped construct student projects. After being abandoned for a variety of reasons, the structure now currently stands as an open-air pavilion.

This project studies The Modular House as a unique and storied site and proposes a theoretical retrofit to make the structure habitable again. Historical documents, past senior projects, images, and firsthand accounts were reviewed to understand the site’s history and how it changed over time. In …

Tanzania Mbesese Initiative 2026, June Ezzell, Sam Liebman, Noah Beyer, Kate Hamilton, Luke Vollert, Kylee Borgen, Cody Balazs, Meg Mclaughlin

Architectural Engineering

The Tanzania Mbesese Initiative 2026 Senior Project supports a multi-year design-build effort to establish the Same Polytechnic College in Same, Tanzania. This community faces high poverty levels and limited access to higher education, necessitating sustainable infrastructure to support tertiary education. To prepare for the upcoming July phase of construction, an eight-student Architectural Engineering team designed three practical and resilient structures: a Shade Structure, a Water Collection Structure, and a Reusable Scaffolding system. The final design applied structural analysis, modeling, and hand-tool fabrication practice to balance material efficiency with long-term structural durability. The deliverables provide comprehensive construction documentation, complete material takeoffs, …

Design And Implementation Of A Honeycomb Damping System For The 2026 Eeri Seismic Design Competition, Vera Nguyen, Lauryn Wojcik

Architectural Engineering

The authors of this report were a part of the 2026 Earthquake Engineering Research Institute (EERI) chapter at California Polytechnic State University, San Luis Obispo. In July 2026, they will travel to Portland, Oregon with 12 students to compete in the Undergraduate Seismic Design Competition hosted by EERI. The competition required teams to develop a comprehensive structural design proposal that included computer-based modeling and analysis, construction of three physical models, and the preparation of both a technical poster and oral presentation for a proposed high-rise building located in Portland, Oregon. Cal Poly’s “Illahee Tower” was designed with an emphasis on …

Caed Shop Entrance Wall Construction, Mason Neil Mitchell, Benjamin Joseph Rohrer

Architectural Engineering

This project involves the demolition and reconstruction of the CAED Support Shop Wall at Cal Poly, San Luis Obispo. The project was designed as a multidisciplinary project, combining architectural engineering and construction management students who collaborated on the rehabilitation of an existing structure. This project aimed to use “replication” as a means of historical preservation and restoration, specifically in the fabrication of custom CMU members.

Sotto L'Ulivo, Makayley Washburn, Alex Twomey, Juliana Pantoja, Megan Boyle, Mark Tain Lawson

Architectural Engineering

Over the span of six years, four Architectural Engineering senior project teams designed and developed a shade structure adjacent to Engineering West (Building 21) at California Polytechnic State University, San Luis Obispo. Each phase of the project built upon the last, showcasing student work and application of the ARCE curriculum with the help and guidance of Professor Craig Baltimore.

In the fall of 2025, five Architectural Engineering seniors chose to continue this project and complete the construction of the structure and plaza. The Sotto L’Ulivo phase picked up where the last team left off, taking on the construction of the …

Completing The Street: Rapid Redesign Of Citywide Road Networks Using Arcgis, Davidson Drake

City and Regional Planning

This paper was written by Davidson Drake, a student at California Polytechnic State University, San Luis Obispo, and a volunteer with the City of Pomona Planning Department. The mapping, design, and analysis documented in this paper were produced by the author for the City of Pomona as part of its Complete Streets work. While the work shown here is the author’s own, the broader project would not be possible without the efforts of Karla Foster and Max Pastore, who contributed key components to the project.

Pomona’s Complete Streets project represents an ambitious effort to rethink the city’s street network as …

Artificial Intelligence In Higher Education: A Snapshot In Time Of Faculty Perspectives And Institutional Adaptation, Alexander Levine

Journalism

The purpose of this research is to examine where higher education currently stands in relation to artificial intelligence, how it arrived at this moment, and where the future may be heading. More specifically, this study seeks to document a snapshot in time of how faculty members, university administrators, and educators perceive the role of artificial intelligence in higher education and how they believe it may shape the academic landscape moving forward.

By examining how artificial intelligence currently influences teaching, learning, and institutional decision-making, this study aims to create a record of perspectives during a period of rapid technological change. As …

Early Dementia Tracking Utilizing Virtual Reality, Gabriel Deguzman, Manuel Hernandez, Ryan Iglesias, Jose Ornelas

General Engineering

This project aims to create a simulation in virtual reality that replicates an activity that older adults are familiar with and presents an objective for the user to complete. The simulation will monitor the user’s cognitive functions based on their performance. The functionality of the designed program includes, but is not limited to: continuous tracking of cognitive behavior, skipped steps, and completion times. The program will take in relevant data and provide results on the monitored tasks and give the user a conclusion for further action. The application of this simulation will not be used as a medical device or …

Microbial Literacy, Equity, And Sustainability At Cal Poly: A Policy Framework With University Housing As A Pilot Case, Joseph B. Fewel

Biological Sciences

Microorganisms play a fundamental role in human health, environmental systems, and the functioning of built environments, yet they remain largely absent from sustainability and public policy discussions. This project proposes a framework for integrating microbial literacy, equity, and health into institutional decision-making, using California Polytechnic State University (Cal Poly) as a case study and university housing as a pilot site for implementation. Drawing on interdisciplinary literature in microbiology, public health, environmental justice, and sustainability, as well as policy analysis and stakeholder interviews, this project examines how campus systems, including housing, ventilation, sanitation, food systems, and waste management, shape microbial exposure …

Bridging The Divide: How Political Polarization Shapes Communication Among College Students, Kylie C. Gaynor

Communication Studies

The following study employed Social Identity and Affective Polarization theories to examine how political disagreement influences students’ willingness to engage in open dialogue within higher education during a time of polarization. This study employed a simple survey distributed to a sample of Cal Poly San Luis Obispo students from all colleges. The Qualtrics survey included multiple-choice questions assessing students’ political affiliation and examining how these affiliations influenced their willingness to engage in communication with individuals holding differing views, as well as their openness to developing deeper interpersonal relationships. The survey results were analyzed using SPSS statistical software. The results concluded …

Catalyzed Chemical Recycling Of Pet Plastic Waste, Irfan Oyon Chowdhury, Caiden Scott Figlioli

Materials Engineering

Plastic waste accumulation and continued reliance on fossil fuel-based polymer feedstocks remain major challenges in the plastics industry. While mechanical recycling is widely used, repeated thermal processing, contamination, and polymer degradation reduce recycled plastic quality. Chemical recycling offers an alternative by depolymerizing plastics into reusable monomers that can produce materials with properties closer to virgin plastics.

This study investigated the glycolysis of post-consumer poly(ethylene terephthalate) (PET) using ethylene glycol to produce bis(2-hydroxyethyl) terephthalate (BHET). Zinc oxide (ZnO) nanoparticles were synthesized by solution precipitation and used with 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) as a co-catalyst system. PET glycolysis was performed using 2.00 g …

Greenway Connect, Julia Xaning Kung, Kaleah Cruz, Lila Citlali Roake

City and Regional Planning

This project is developed in response to the American Planning Association’s Student Planning and Design Competition 2026 and fulfills the senior project requirement for a Bachelor of Science in City and Regional Planning from California Polytechnic State University, San Luis Obispo.

The site consists of the core development area and the framework area, both of which reflect the historical significance and prospective future of the area. The framework area contains multiple industrial sites; Lyndon Street formerly housed multiple textile and manufacturing warehouses that supplied businesses along Livernois Avenue of Fashion. The site also includes the Intervale-Roselawn Park, which has recently …

Accessible Rolling Garden Box With Automated Watering System, Lucas Meneghetti, Gabe Haarberg, Alex Seybold, Matthew Podgorski

Mechanical Engineering

Students in the Special Day Class at Oceano Elementary School face challenges participating in traditional gardening activities due to mobility and accessibility limitations. To address this need, a wheelchair-accessible Rolling Garden Box was designed and constructed to provide an engaging, hands-on learning experience that promotes independence and cause-and-effect learning. The system consists of a wooden box supported by a steel frame with locking caster wheels, a switch-activated irrigation system. Adaptive button controls allow students to activate visually engaging sprinklers while interacting with plants and soil. The final prototype successfully met all design requirements for accessibility, mobility, durability, and watering performance …

Multi-Ton Bin Transport Device, Cole Kramer, Ruth Stirrup, Fabian Ruiz, Daniel Ramirez

Mechanical Engineering

This project sought to solve a problem at the Water Resource Recovery Facility in San Luis Obispo with the transportation of multi-ton bins on-site. Their current solutions prove ineffective, as they damage their equipment and the concrete pad, as well as pose major safety risks to the operators moving these bins. The Facility requires the bin transport design to be low-cost, effective, and without risk of damage to the bins or surroundings, while maintaining the integrity of the bins. This project presents a conceptual design that is similar to a scissor lift, integrated into a trailer which will connect to …

How Modular Construction Techniques Can Be Beneficial To The Nuclear Construction Industry, Samuel Lawrence Maurer

Construction Management

Nuclear energy will soon be needed to supply sustainable and clean power to companies that work with Artificial Intelligence and Quantum Computing. Across the world, lots of large-scale nuclear power plants that have been recently constructed have had many issues, such as cost overruns, schedule delays, permitting issues, and more. The purpose of this project is to examine how modular construction, specifically in the form of Small Modular Reactors (SMRs), can positively impact the nuclear construction industry and potentially reduce some of the common issues that these large-scale nuclear power plant projects typically face. The findings suggest that the use …

Greek Row At Cal Poly: Addressing Student Housing, Neighborhood Conflict, And Town-Gown Relations, Christopher Linn Green

Construction Management

This study evaluates whether centralized Greek housing near Cal Poly could serve as a long-term planning solution for reducing neighborhood conflict, improving student housing opportunities, and creating a more organized environment for fraternity and sorority life. The research was developed in response to ongoing concerns in San Luis Obispo involving student housing pressure, fraternity activity in residential neighborhoods, and code enforcement challenges. Two surveys were used to gather stakeholder perspectives. One survey of Cal Poly students and one survey of individuals who work in San Luis Obispo. Student responses showed strong support for a centralized Greek Row, with most respondents …

Economic Feasibility Of 3d-Printed Concrete Walls Vs. Traditional Framing Systems, David Hawk

Construction Management

The construction industry faces mounting pressure to adopt more efficient building technologies. 3D-printed concrete (3DCP) has emerged as a promising alternative to wood-frame wall systems, offering reduced labor costs, shorter schedules, and lower long-term maintenance expenses. This study evaluates the economic feasibility of 3DCP versus traditional framing across three project scales — single-family (2K SF), multifamily (20K SF), and large development (100K SF) — using mixed-methods combining quantitative cost data with qualitative industry interviews. Results indicate 3DCP becomes cost-competitive at approximately 20,000 SF of wall area, with a decisive advantage at 100K+ SF ($26–$34/SF vs. $29–$45/SF traditional). Equipment mobilization ($8–$18/SF) …

Improving The California Boulevard Railroad Underpass: A Feasibility Study Of Persistent Barriers And Practical Improvement Strategies, Jacee D. Carpenter

Construction Management

The California Boulevard railroad underpass in San Luis Obispo has served as an informal pedestrian route for Cal Poly students since pedestrian access across the adjacent railroad tracks was restricted in 2009. Despite its frequent use, the underpass presents challenges related to lighting, drainage, surface conditions, and seasonal flooding that affect safety and accessibility. Previous studies documented these concerns and proposed improvement concepts; however, no significant physical improvements have been implemented. This project evaluates the factors contributing to the lack of improvements and examines practical strategies for enhancing the underpass within existing regulatory, environmental, and jurisdictional constraints. Methods included a …

Trace: Temporal Rhetorical Analysis And Consistency Evaluation For Legislative Speech, David Hernandez

Master's Theses

Legislators frequently discuss the same policy issues across multiple hearings and legislative sessions, sometimes maintaining consistent positions and other times modifying or reframing their stance over time. Understanding how these positions evolve is important for analyzing political discourse and democratic accountability, yet identifying such shifts at scale remains difficult.

We introduce TRACE (Temporal Rhetorical Analysis and Consistency Evaluation), a system built on the Digital Democracy Database (DDDB) for detecting rhetorical inconsistency in California legislative hearing testimony. TRACE organizes utterances into speaker-anchored timelines indexed by bill and session, then applies hybrid semantic retrieval — combining dense BGE embeddings with BM25 lexical …

Skip The Grid: Bringing Solar Energy To The Navajo Nation, Makaela L. Zavala

Construction Management

Skip the Grid is an interdisciplinary service project in which California Polytechnic State University (Cal Poly) students partner with Heart of America and SOLV Energy to install off-grid solar systems for families in the Navajo Nation and Hopi Reservation. The project aims to address energy inequity by providing reliable electricity for lighting, refrigeration, and essential daily needs. This paper focuses on the communications and logistics planning required to support a large-scale service project involving over twenty students and multiple partner organizations. The methodology included coordinating travel, organizing team assignments, managing documentation, and maintaining communication throughout the trip. The project resulted …

Sheep Pen Improvements At City Farm Slo, Diego Eliseo Romero

Construction Management

City Farm SLO is a non-profit educational farm that focuses on creating clean produce and educational farm work environments in San Luis Obispo, California. The farm can provide its community with learning programs for the youth, hands-on experience in farming practices, and livestock care. The work was set out for this project across two quarters where we improved the existing sheep pen so that the volunteers and livestock who use the pen can enjoy the area much more comfortably and safely. The overall project scope included several improvements which all required initial designs, coordination with the farm and its volunteers, …

Thematic Analysis Of Knowledge, Skills, And Abilities Required For Hydrogen Fuel Cell Transit Workforce, Steven Dandurand

Construction Management

The adoption and implementation of hydrogen fuel cell electric buses (FCEBs) in public transit creates opportunities for reducing emissions and a greener future, but causes challenges related to workforce readiness and training. This research uses thematic analysis to analyze interviews with professionals to evaluate the current knowledge and skill levels of transit bus drivers, maintenance personnel, and infrastructure teams, with the goal of identifying knowledge gaps that may cause problems with the implementation of hydrogen buses on a larger scale. Data was collected through a review of transit agency resources, and interviews with drivers, technicians and agencies. The findings indicate …

Beyond Contract Law: Expanding Legal Education In Construction Management, Grace M. Hetland

Construction Management

The California Polytechnic State University Construction Management (CM) program is designed to prepare students for the managerial responsibilities of the construction industry. However, construction projects involve a broad range of legal considerations that extend beyond traditional contract administration. While the CM curriculum currently includes a course focused on construction contract law, there is limited exposure to other legal disciplines that frequently affect construction professionals throughout the project lifecycle. This research explores the potential value of expanding construction law education in the CM curriculum by implementing an additional topics course as an elective for students. To determine which legal subjects would …

Foundation For A Digital Beamforming System Using Software Defined Radio, Daniel Cruz Guerrero, Shiron Bendrihem, Benjamin Tucker

Electrical Engineering

This report demonstrates a basis for the foundation of a software-defined radio (SDR)-based digital beam forming system. Specifically, a discussion of time, frequency, and phase synchronization is had in the absence of costly hardware like an OctoClock. Furthermore, this report digs deep into the design process and device characterization of a 4-way Wilkinson Power Divider, which is a necessary hardware component for phase calibration. SDR synchronization and calibration are critical in any digital beamforming system.

Design And Characterization Of A Pulsed Electric Field Chamber For Microalgae Lysis, Connor Strutin

Electrical Engineering

Microalgae are a promising renewable source of biofuel due to their high lipid content and rapid growth rates; however, algae cells must be electroporated (lysed) to release these lipids. The system developed in this project applies short (40 μs–10 ms), high-intensity (up to 33 kV/cm) pulsed electric fields (PEF) across cell membranes to enable electroporation.

Our lab-scale PEF chamber generates uniform, high-intensity electric fields using parallel-plate electrodes with sub-millimeter spacing. The system is designed to efficiently lyse microalgae cells for lipid extraction and biofuel production.

Maximum Power Point Tracking For Photovoltaic Cells, Rodrigo Menchaca-Ramirez, Jesus Martinez, Steven Rodriguez

Electrical Engineering

Unlike an ideal DC Power Supply, a solar panel does not operate with linear I-V Characteristics. The voltage and current characteristics of a solar panel change based on irradiance, temperature, weather conditions, and load demand. Because of these factors, solar panels do not always operate at their Maximum Power Point, which can lead to significant power losses. Maximum Power Point Tracking is used to adjust the panel operating point so that more usable power can be delivered to the load.This project developed a Maximum Power Point Tracking system using an STM32 Nucleo-L4A6ZG microcontroller and an LT8705A DC-DC converter stage. The …