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1,761 full-text articles. Page 6 of 72.

Xenabloom, Sophia Maglabe, Ryer Lauth, Elizabeth Shaw, Sheyna Rongong 2023 California Polytechnic State University, San Luis Obispo

Xenabloom, Sophia Maglabe, Ryer Lauth, Elizabeth Shaw, Sheyna Rongong

Architectural Engineering

Proposal for an architectural and structural design of a shade structure at the Leaning Pine Arboretum, employing the Xenaform typology of Poly Shells, LLC.


Physical And Digital Models For Timber Design And Analysis Courses, Paulina Robles, Gabrielle Rose Favro, Anahid Behrouzi, Abby Lentz 2023 California Polytechnic State University, San Luis Obispo

Physical And Digital Models For Timber Design And Analysis Courses, Paulina Robles, Gabrielle Rose Favro, Anahid Behrouzi, Abby Lentz

Architectural Engineering

Among structural engineering education research, there is a limited number of studies on interactive learning tools and activities specifically for the timber design classroom to assist students in visualizing material behavior, vertical and lateral load paths, and construction sequence. Timber design courses within the undergraduate program in the Architectural Engineering department at California Polytechnic State University in San Luis Obispo (Cal Poly), place an emphasis on seismic and wind design. Therefore, the proposed learning tools and activities are intended to pair with an introduction to concepts in the American Wood Council’s National Design Specifications (NDS) and Special Design Provisions for …


Sky Survey Radio Telescope, Jack E. McGuigan 2023 California Polytechnic State University, San Luis Obispo

Sky Survey Radio Telescope, Jack E. Mcguigan

Electrical Engineering

This document outlines the design of a radio telescope designed to perform hydrogen line sky surveys. The telescope produces radio images mapping the intensity and relative velocities of hydrogen concentrations to their sky coordinates. Over the course of a day, the telescope images the regions of space visible to it, allowing sky survey imagery to be updated daily. Sky survey images are comprised of an array of pixels corresponding to specific sky coordinates. Each 8-bit RGB pixel contains information on the concentrations of hydrogen in the brightness and relative velocity in the color. Radio images mapping the concentrations and velocities …


Preliminary Bond Capacity Exploration Between Monolayer Graphene And Cementitious Composites, Yanping Zhu, Chuanrui Guo, Genda Chen 2023 Missouri University of Science and Technology

Preliminary Bond Capacity Exploration Between Monolayer Graphene And Cementitious Composites, Yanping Zhu, Chuanrui Guo, Genda Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This Study Aims to Explore Bond Capacity between Monolayer Graphene and Cementitious Composites for the First Time through a Pullout Test. the Low-Pressure Chemical Vapor Deposition Method Was Used to Synthesize Monolayer Graphene on the Copper Substrate to Be Embedded in the Mortar Made by the Briquette Mold. the Bond Capacity between Them Was Higher Than the Tensile Strength of the Copper Sheet with As-Grown Monolayer Graphene on the Surface Since All Specimens Failed in Fracture with Embedment Length of More Than 30 Mm. the Monolayer Graphene Enhanced the Copper Tensile Fracture Stress and Normalized Energy during the Test as …


Rilem Tc 266-Mrp: Round-Robin Rheological Tests On High Performance Mortar And Concrete With Adapted Rheology—A Comprehensive Flow Curve Analysis, Dimitri Feys, Helena Keller, Khadija El Cheikh, Egor Secrieru, Yannick Vanhove 2023 Missouri University of Science and Technology

Rilem Tc 266-Mrp: Round-Robin Rheological Tests On High Performance Mortar And Concrete With Adapted Rheology—A Comprehensive Flow Curve Analysis, Dimitri Feys, Helena Keller, Khadija El Cheikh, Egor Secrieru, Yannick Vanhove

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

A comprehensive testing program was carried out to compare the rheological properties of flowable concrete that can be obtained from different rheometers. The results obtained from seven rheometers using vane or similar geometries are discussed. A comprehensive flow curve analysis is undertaken for further comparison of the various rheometers. Partially, large differences could be observed between the results obtained from the different rheometers. However, the device-specific trendlines are shown to have significant correlations with the overall baseline. Two potential causes of differences between results are highlighted: imposition/registration of torque/rotational velocity and discrepancies between the measured material flow behavior in the …


Mbesese Build 2023, Ben Stewart, Matthew Chung, Ian McConnell 2023 California Polytechnic State University, San Luis Obispo

Mbesese Build 2023, Ben Stewart, Matthew Chung, Ian Mcconnell

Architectural Engineering

In collaboration with the Mbesese Initiative for Sustainable Developments, the senior project group from California Polytechnic State University of San Luis Obispo, researched, designed, and created construction documents for the Same Polytechnic College project in the town of Same, Tanzania. This project aims to combat poverty in the Kilimanjaro Region of Tanzania by providing education and infrastructure development. In 2023, the senior project group focused on completing a communal and educational space and addressing clean water scarcity through a rainwater collection system on the site of the future college.


Automated Detection And Characterization Of Cracks On Concrete Using Laser Scanning, Yunfeng Ge, Jenny Liu, Xiong Zhang, Huiming Tang, Xiaolong Xia 2023 Missouri University of Science and Technology

Automated Detection And Characterization Of Cracks On Concrete Using Laser Scanning, Yunfeng Ge, Jenny Liu, Xiong Zhang, Huiming Tang, Xiaolong Xia

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Accurate crack detection and characterization on concrete are essential for the maintenance, safety, and serviceability of various infrastructures. In this paper, an innovative approach was developed to automatically measure the cracks from 3D point clouds collected by a phase-shift terrestrial laser scanner (TLS) (FARO Focus3D S120). The approach integrates several techniques to characterize the cracks, which include the deviation on point normal determined using k-nearest neighbor (kNN) and principal components analysis (PCA) algorithms to identify the cracks, and principal axes and curve skeletons of cracks to determine the projected and real dimensions of cracks, respectively. The coordinate transformation was then …


Incentivizing Electric Vehicle Adoption Through State And Federal Policies: Reviewing Influential Policies, Joshua Sabata, Subhaditya Shom, Ahmad Almaghrebi, Anne McCollister, Mahmoud Alahmad 2023 University of Nebraska-Lincoln

Incentivizing Electric Vehicle Adoption Through State And Federal Policies: Reviewing Influential Policies, Joshua Sabata, Subhaditya Shom, Ahmad Almaghrebi, Anne Mccollister, Mahmoud Alahmad

Durham School of Architectural Engineering and Construction: Faculty Publications

All-electric vehicles (EVs), battery-powered EVs (BEVs), and plug-in hybrid EVs (PHEVS) are gaining market share and increasing in popularity with the buying public because the battery range (longer) and cost (lower) have reached sweet spots, the charging infrastructure is more robust, and concern with global cli­mate change is high. In 2013, only 100,000 EVs were sold in the United States, but by 2022, approximately 800,000 have been purchased. A similar growth is seen in EV sup­ply equipment (EVSE), i.e., EV charging stations, with 19,742 documented EV charging station locations in the United States in 2013 to 50,054 documented EV charging …


Investigation Of Natural Pozzolans: Analyzing The Practicality Of Natural Pozzolans As A Partial Substitute For Cement In Grout Production, Jadyn I. Breien, Andrew J. Baro, Logan T. Marino 2023 California Polytechnic State University, San Luis Obispo

Investigation Of Natural Pozzolans: Analyzing The Practicality Of Natural Pozzolans As A Partial Substitute For Cement In Grout Production, Jadyn I. Breien, Andrew J. Baro, Logan T. Marino

Architectural Engineering

This senior project aims to investigate whether natural pozzolans are more sustainable than fly ash and a sufficient substitute for cement in the production of grout. By following the intent of the ASTM (American Society of Testing and Materials) standards, a conclusion will be made to determine if natural pozzolans can contribute comparable strength in compression. The objective is to prove that natural pozzolans should be utilized in the production of grout rather than alternatives such as fly ash because it can provide similar strength while being more economical and more sustainable.


Arce 415 Portfolio: The Green Bird Of Paradise, Kristofer R. Rickansrud, Ryan Chan, Brendan Peers, Joel Santoyo 2023 California Polytechnic State University, San Luis Obispo

Arce 415 Portfolio: The Green Bird Of Paradise, Kristofer R. Rickansrud, Ryan Chan, Brendan Peers, Joel Santoyo

Architectural Engineering

A design project creating a Polyshell sunshade structure for the Leaning Pine Arboretum.


Polymöbi: Single-Surface Timber Polyshell Shade Structure, Ryan Khieu, Tom Sesin, Gabriel Garfias, Evan Brooks 2023 California Polytechnic State University, San Luis Obispo

Polymöbi: Single-Surface Timber Polyshell Shade Structure, Ryan Khieu, Tom Sesin, Gabriel Garfias, Evan Brooks

Architectural Engineering

Overall design process of incorporating Polyshells into a sunshade structure, while addressing client needs, materiality, constructability, and life safety.


Concrete Masonry Program (Cmd21) Usability, Allie G. Decker 2023 California Polytechnic State University, San Luis Obispo

Concrete Masonry Program (Cmd21) Usability, Allie G. Decker

Architectural Engineering

The Concrete Masonry Design Program, CMD21, can be utilized in the design of beams, columns, and walls, but this project focuses on the use of the program to analyze shear walls loaded in-plane. This report critiques and describes the learning process behind the CMD21 program.


Crescent: Proposed Arboretum Shade Structure, Hayle Jones, Ian Kelly, Emilie Phuong, Brooke Heitman 2023 California Polytechnic State University, San Luis Obispo

Crescent: Proposed Arboretum Shade Structure, Hayle Jones, Ian Kelly, Emilie Phuong, Brooke Heitman

Architectural Engineering

This is a sunshade structure that uses shells as the facade to create the enclosing of this structure.


The Center For Centering Dome, Olek Piechaczek, Ryan M. Scharf 2023 California Polytechnic State University, San Luis Obispo

The Center For Centering Dome, Olek Piechaczek, Ryan M. Scharf

Architectural Engineering

The Center for Centering seeks to create a large-scale healing center, conducive to individual centering of the mind and body. This mobile installation provides a relaxing, enclosed space while still maintaining a connection to the outdoors. The clients liked the idea of having a pop-up installation that could be easily set up as a touring display. With a deadline for installation looming in June 2022, a team of students had five months to design and manufacture the structure.

In winter 2022, the students developed custom geometry to minimize the number of individual parts and built a ¼ scale model of …


Development Of The New Hasslein Caed Collaborative, Catie Dines 2023 California Polytechnic State University, San Luis Obispo

Development Of The New Hasslein Caed Collaborative, Catie Dines

Construction Management

This paper outlines the development and execution of the new Hasslein CAED Collaborative student competition which engages students of all five majors in the College of Architecture and Environmental Design in a Request for Proposal style competition. CAED houses students studying Architecture, Architectural Engineering, City and Regional Planning, Construction Management, and Landscape Architecture. There is little opportunity for interdisciplinary collaboration within the CAED, despite our future career paths being heavily intertwined. This competition followed research by Greta Stout, class of 2022, on the benefits and support of interdisciplinary collaboration at Cal Poly SLO in CAED. The competition is named after …


Field Implementation And Performance Of Fiber-Reinforced Low-Shrinkage Concrete For Bridge Deck Construction, Ahmed Abdelrazik, Kamal Khayat 2023 Missouri University of Science and Technology

Field Implementation And Performance Of Fiber-Reinforced Low-Shrinkage Concrete For Bridge Deck Construction, Ahmed Abdelrazik, Kamal Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This Paper Reports on the Field Implementation of Fiber-Reinforced Concrete (FRC) Used for Redecking the Two-Span overpass Bridge in Missouri. the Spans Measured 38.4 and 35.05 M in Length. Modeling of the Structural Behavior of the Bridge Replacement Deck Indicated Significantly High Tensile Stresses at Midspan (Up to 45 MPa) Due to the Continuity of the Deck over the Four Precast Main Girders. Redecking of the Bridge and Casting of the Central Diaphragm Were Carried Out Continuously and Necessitated 40 Concrete Truck Deliveries of 252 M3 of FRC. Six Sensor Towers Were Installed in the Bridge Deck to Monitor Variations …


Attainable And Sustainable Home Building Solutions, Katrina Matthews 2023 California Polytechnic State University, San Luis Obispo

Attainable And Sustainable Home Building Solutions, Katrina Matthews

Construction Management

Sustainability has fortunately been a recent concern in the construction industry as climate change continues to impose potentially insurmountable threats to the global environment. Although many new methods have been adopted in efforts to lessen the adverse environmental effects of construction-related activities, as a society, we still have much room for growth as the built environment accounts for almost 50% of global emissions. Many changes and standards must be adopted to make these solutions efficiently beneficial. To set industry standards, we must start with the most basic form of construction- residential building. This report covers two attainable framing solutions for …


Floating Dock At Santa Rita Ranch: A Design And Cost Estimate Package Prepared For The Land Conservancy Of San Luis Obispo, Sophia Ann Federico 2023 California Polytechnic State University, San Luis Obispo

Floating Dock At Santa Rita Ranch: A Design And Cost Estimate Package Prepared For The Land Conservancy Of San Luis Obispo, Sophia Ann Federico

Construction Management

The purpose of this project is to provide the Land Conservancy of San Luis Obispo with three design options for a floating fishing/boat dock system that they want to build on a small lake located on a plot of land that they own and preserve called Santa Rita Ranch. The design package that I created includes drawings, weight and buoyancy calculations, a cost estimate, and product specs. My approach was to utilize my estimating skills that I have acquired from my construction management classes and from my work at a general contractor’s office in the preconstruction department. The design and …


Out-Of-Plane Flexural Behavior Of Insulatedwall Panels Constructed With Large Insulation Thicknesses, Jacob Luebke, Fray F. Pozo-Lora, Salam Al-Rubaye, Marc Maguire 2023 Calder Richards Structural Consulting Engineers

Out-Of-Plane Flexural Behavior Of Insulatedwall Panels Constructed With Large Insulation Thicknesses, Jacob Luebke, Fray F. Pozo-Lora, Salam Al-Rubaye, Marc Maguire

Durham School of Architectural Engineering and Construction: Faculty Publications

Insulated concrete sandwich wall panels (ICSWPs) are gaining popularity as energy regulations become stricter worldwide. ICSWPs are now being constructed with thinner wythes and thicker insulation to keep up with the changing market, which is reducing material costs and increasing thermal and structural efficiency. However, there is a need for adequate experimental testing to validate the current design methods for these new panels. This research aims to provide that validation by comparing the predictions of four different methods with experimental data obtained from six large-scale panels. The study found that while current design methods adequately predict the behavior of thin …


Optimization Of Plastic Waste Integration In Cement Bricks, Yara Salah El-Din El-Metwally 2023 The British University in Egypt

Optimization Of Plastic Waste Integration In Cement Bricks, Yara Salah El-Din El-Metwally

Architectural Engineering

Implementing plastic waste in construction materials is a sustainable disposal method to overcome plastic pollution. The current study aims to optimize the integration of plastic waste in cement bricks regarding their thermomechanical properties in order to develop an eco‑friendly building material. Polyethylene terephthalate (PET) and high‑density polyethylene (HDPE) partially substituted cement with different ratios (0, 2.5, 5, 7.5, 10, 20%). The type that achieved better thermomechanical performance further replaced the other brick components; sand and coarse aggregates to determine the optimum replacement scenario and best design mix. Laboratory experiments have been carried out to measure the compressive strength, indirect tensile …


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