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Architectural Engineering

2023

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Full-Text Articles in Architecture

Effect Of A Geothermal Heat Pump System On Cooling Residential Buildings In A Hot, Dry Climate, Rania Rushdy Moussa, Ayman H. Mahmoud Dec 2023

Effect Of A Geothermal Heat Pump System On Cooling Residential Buildings In A Hot, Dry Climate, Rania Rushdy Moussa, Ayman H. Mahmoud

Architectural Engineering

ABSTRACT In the last century, electricity demand has doubled due to urban expansion, which has contributed to the formation of more urban heat islands (UHI) and the appearance of environmental hazards such as the global climate change phenomenon. Since residential buildings are considered the main electricity consumer sector in Egypt, they consume up to 42% of total energy consumption, which contributes to increasing temperatures and constitutes UHI in cities. In this context, the research aims to examine the effectiveness of using the closed vertical loop geothermal system (GSHPCV) for cooling residential buildings in a hot, dry climate, such as Cairo, …


Evaluation Of Structural Retrofit Of A Hillside Home, Cameron C. R. Cunningham Dec 2023

Evaluation Of Structural Retrofit Of A Hillside Home, Cameron C. R. Cunningham

Architectural Engineering

On November 24, 2021 after months of initial planning, the project owner received approval from the San Luis Obispo Planning and Building Department for initial work on a residential remodeling submission. This approval including a grading permit and other initial site work to begin renovation of the owner’s hillside residential property.


Python Manual: A Learning Guide For Structural Engineering Students, Aaron Dewey, Kennedy Gomez, Meileen Yee Dec 2023

Python Manual: A Learning Guide For Structural Engineering Students, Aaron Dewey, Kennedy Gomez, Meileen Yee

Architectural Engineering

This Python programming manual is a resource to assist architectural, civil, or structural engineering students as they learn to create scripts to solve various structural analysis and dynamics problems. Beyond providing guidance on Python libraries that enable numerical and symbolic mathematics (NumPy, SciPy, SymPy), the manual also focuses on the creation of tabular and plot outputs useful to communicate results through technical reports (Pandas, Matplotlib).

The content of this document was developed based on detailed review of curriculum for three architectural engineering computing courses typically offered to upper class students at Cal Poly, San Luis Obispo as well as surveys …


Teaching The Equivalent Rectangular Stress Block, Anahid Behrouzi, J. Chris Carroll, Ben Dymond Nov 2023

Teaching The Equivalent Rectangular Stress Block, Anahid Behrouzi, J. Chris Carroll, Ben Dymond

Architectural Engineering

The equivalent rectangular stress block is the basis for determining the flexural strength of reinforced concrete members. Instructors commonly present the concept in two dimensions, contrary to its three-dimensional nature. Unfortunately, this can be particularly difficult for students to understand and visualize, especially for students with visual learning style preferences. This paper presents an overview of the equivalent rectangular stress block, select active learning methods, and four specific examples used by the authors to introduce the equivalent rectangular stress block in an undergraduate reinforced concrete design course. The first method focuses on understanding the terms associated with the equivalent rectangular …


Active And Visual Methods For Teaching Nonrectangular Reinforced Concrete Beams, Anahid Behrouzi, J.Chris Carroll, Karl F. Meyer Nov 2023

Active And Visual Methods For Teaching Nonrectangular Reinforced Concrete Beams, Anahid Behrouzi, J.Chris Carroll, Karl F. Meyer

Architectural Engineering

Nonrectangular cross sections are a common occurrence in reinforced concrete design typically taking the form of flanged beam sections, circular columns, and square or rectangular columns subject to biaxial bending. Instructors typically introduce the theory behind nonrectangular beams using two-dimensional sketches of flanged sections. Students can struggle to visualize the examples when presented in two dimensions; deciphering the multiple resultant compressive forces and their corresponding moment arms are particularly difficult. This paper presents an overview of nonrectangular beam theory and select active learning methods along with three specific examples used by the authors to teach nonrectangular beams in an undergraduate …


Optimizing Phase Change Material On Opaque Building Envelope To Reach Nzeb, Mennatallah Hassan, Khaled Ragheb Dewidar, Mostafa Ismail Rifat, Ashraf Nessim, Aly Assem Abdelalim Sep 2023

Optimizing Phase Change Material On Opaque Building Envelope To Reach Nzeb, Mennatallah Hassan, Khaled Ragheb Dewidar, Mostafa Ismail Rifat, Ashraf Nessim, Aly Assem Abdelalim

Architectural Engineering

Designing a net Zero Energy Building nZEB envelope with high thermal comfort and low energy consumption is vital nowadays. There is some established specialized software for building optimization design, but these programs are time-consuming, expensive, and demand many data input of building parameters. Therefore, it is difficult to follow the optimization procedure. The aim of this research is to present a novel study to optimize the use of Phase Change Material PCM on opaque building envelope using a multi-objective optimization tool. Python (3) is employed to implement EnergyPlus to minimize the initial cost of PCM in commercial buildings, running cost …


Wood Diaphragm Deflections. Part Ii: Implementing A Unified Approach For Current Clt And Wsp Practice, John Lawson Sep 2023

Wood Diaphragm Deflections. Part Ii: Implementing A Unified Approach For Current Clt And Wsp Practice, John Lawson

Architectural Engineering

Horizontal wood diaphragm systems, whether decked with conventional or mass timber panels, transfer wind and seismic loads to vertical elements of the lateral force-resisting system (LFRS), in flexible, rigid, or semi-rigid fashion. Characterizing and calculating the resulting diaphragm deflections determines the distribution of forces to critically loaded components and a significant portion of lateral building translations and rotations. Deflection equations for sheathed wood structural panel (WSP) diaphragms are well established in U.S. design standards in a 4-term expression that models flexural, shear, and fastener-slip deformations, but similar equations for cross-laminated timber (CLT) diaphragms have yet to unfold, despite growing industry …


Wood Diaphragm Deflections. Part I: Generalizing Standard Equations Using Mechanicsbased Derivations For Panel Construction, John W. Lawson, Scott Breneman, Marco Lo Ricco Sep 2023

Wood Diaphragm Deflections. Part I: Generalizing Standard Equations Using Mechanicsbased Derivations For Panel Construction, John W. Lawson, Scott Breneman, Marco Lo Ricco

Architectural Engineering

Horizontal wood diaphragm systems, whether decked with conventional or mass timber panels, transfer wind and seismic loads to vertical elements of the lateral force-resisting system (LFRS), in flexible, rigid, or semi-rigid fashion. Characterizing and calculating the resulting diaphragm deflections determines the distribution of forces to critically loaded components and a significant portion of lateral building translations and rotations. Deflection equations for sheathed wood structural panel (WSP) diaphragms are well established in U.S. design standards in a 4-term expression that models flexural, shear, and fastener-slip deformations and its full derivation using principles of mechanics is provided herein. Derivations of similar equations …


The Effect Of Using Data Palm Waste Fibers In Plain Concrete Mixture By Comparing Three Pre‐Treatment Techniques, Dina Rushdy M. Moawad, Rania Rushdy Moussa Jul 2023

The Effect Of Using Data Palm Waste Fibers In Plain Concrete Mixture By Comparing Three Pre‐Treatment Techniques, Dina Rushdy M. Moawad, Rania Rushdy Moussa

Architectural Engineering

The high rates of industrial and agricultural wastes and byproduct production produced several environmental concerns in addition to increasing the risks of contaminating natural resources. The amount of organic waste has been rising over the past few decades, but it has been poorly managed, especially in smaller countries where it is either burned, improperly disposed, or thrown in landfills. Moreover, the production of concrete generates a large amount of waste that has a negative impact on our planet even though it is an extremely significant building material. The potential of developing another plain concrete mixture sample with date palm mesh …


The Impact Of Biophilic Attributes On University Students Level Of Satisfaction: Using Virtual Reality Simulation, Amira Mohamed Mahrous, Khaled Dewidar, Mostafa Refaat, Ashraf Nessim Jun 2023

The Impact Of Biophilic Attributes On University Students Level Of Satisfaction: Using Virtual Reality Simulation, Amira Mohamed Mahrous, Khaled Dewidar, Mostafa Refaat, Ashraf Nessim

Architectural Engineering

Biophilic design is a new approach that can enhance human psychological well-being. Most recent studies focus on applying biophilic design to hospitals or office buildings, not academic buildings. While usually ignored, students' level of satisfaction is one of the most important key indicators for a successful learning environment. This paper aims to identify the biophilic design attributes that can potentially contribute to enhancing the students' level of satisfaction. This will be done through an experimental research design using virtual reality in a design studio at The British University in Egypt. Each participant (N = 52) was exposed to the existing …


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

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.


Physical And Digital Models For Timber Design And Analysis Courses, Paulina Robles, Gabrielle Rose Favro, Anahid Behrouzi, Abby Lentz Jun 2023

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 …


Polymöbi: Single-Surface Timber Polyshell Shade Structure, Ryan Khieu, Tom Sesin, Gabriel Garfias, Evan Brooks Jun 2023

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.


The Center For Centering Dome, Olek Piechaczek, Ryan M. Scharf Jun 2023

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 …


The Leaf For Leaning Pine Arboretum, Maria Boyle, Shelby Holmquist, Andrew Duong Jun 2023

The Leaf For Leaning Pine Arboretum, Maria Boyle, Shelby Holmquist, Andrew Duong

Architectural Engineering

The goal of this ARCE 415 senior project course was to create a shade structure that could be incorporated into The Leaning Pine Arboretum, located on campus at Cal Poly, San Luis Obispo. From start to finish, these three ARCE students took on the role of form-finders to form-testers to form-makers. We are putting the "architectural" back in architectural engineering as we reclaim the historical tradition of the engineer as the form finder. In many of our design labs we focused primarily on sizing members and analysis, just using a structure that the architect already had established. In this one-of-a-kind …


Arce 415 Portfolio: The Green Bird Of Paradise, Kristofer R. Rickansrud, Ryan Chan, Brendan Peers, Joel Santoyo Jun 2023

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.


Crescent: Proposed Arboretum Shade Structure, Hayle Jones, Ian Kelly, Emilie Phuong, Brooke Heitman Jun 2023

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.


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 Jun 2023

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.


Concrete Masonry Program (Cmd21) Usability, Allie G. Decker Jun 2023

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.


Xenabloom, Sophia Maglabe, Ryer Lauth, Elizabeth Shaw, Sheyna Rongong Jun 2023

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.


Optimization Of Plastic Waste Integration In Cement Bricks, Yara Salah El-Din El-Metwally May 2023

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 …


The Neighborhood As An Energy-Generating Community The Case Of El-Banafseg Residential Neighborhood, East Cairo, Mona Helmy, Amany Micheal May 2023

The Neighborhood As An Energy-Generating Community The Case Of El-Banafseg Residential Neighborhood, East Cairo, Mona Helmy, Amany Micheal

Architectural Engineering

No abstract provided.


Slo Botanical Garden Deck, Noah E. Demer May 2023

Slo Botanical Garden Deck, Noah E. Demer

Architectural Engineering

This project consists of the design and construction of an outdoor-use deck. This deck is to be located in the NE corner of the Sage Meadow at the San Luis Obispo Botanical Garden at 3450 Dairy Creek Rd, San Luis Obispo, CA 93405. This deck’s intended use is as a gathering area for people to congregate. Originally, the ideal deck area was proposed as 700+ square feet, but with further site and project limitations the final design was ~480 square feet. This deck has not been constructed.


Inclusive Schools Design: A Phenomenological Investigation Into Visually Impaired Lived Experiences, Sarah Oteifa, Khaled Dewidar, Yasser Mansour Mar 2023

Inclusive Schools Design: A Phenomenological Investigation Into Visually Impaired Lived Experiences, Sarah Oteifa, Khaled Dewidar, Yasser Mansour

Architectural Engineering

Inclusive design is an approach that aims to include special children with the general student population by developing the whole system, including the built environment, to accommodate their needs. Although efforts have been made to include children with visual impairments in the educational mainstream, available design guidelines often miss their "real lived experience". Available inclusive school design criteria are considered limited and the necessary design qualities of space to cope with their impairments are often missing the phenomenological, holistic approach. This study is conducted using a mixed method. The necessary spatial qualities are extracted from visually impaired children's real experiences …


Precious Plastics - Plastic Brick Machine Fabrication, Timothy Ukaobasi Kanu, Evi Paraskevi Troulis Mar 2023

Precious Plastics - Plastic Brick Machine Fabrication, Timothy Ukaobasi Kanu, Evi Paraskevi Troulis

Architectural Engineering

The goal of this research is to determine the structural parameters of the recycled plastic polypropylene when molded into bricks resembling CMU blocks. To accomplish this, three mechanisms had to be assembled: the shredder, the injector, and the 1x1 mold. A tensile and compression test were to be performed on the plastic brick, and the values would be used to compare the tensile and compressive strength of PP plastic bricks, as well as their modulus of elasticity and stress vs. Strain performance. These values would be analyzed to determine whether it would be feasible to build an entire plastic wall. …


A Review On Sustainable Disposal Of Plastic Waste By Integration In Construction Materials, Yara S. El-Metwally, Iman El-Mahallawi, Khaled M. Dewidar, Mostafa R. Refaat Jan 2023

A Review On Sustainable Disposal Of Plastic Waste By Integration In Construction Materials, Yara S. El-Metwally, Iman El-Mahallawi, Khaled M. Dewidar, Mostafa R. Refaat

Architectural Engineering

Over the last decades, plastic waste (PW) has increased exponentially and has become a serious threat to our planet, aquatic system and human health. Recycling or reusing PW in producing ecofriendly materials is an efficient solution to reduce plastic pollution and to minimize the depletion of raw materials as well. Previous studies have shown promising potentials of using PW in the construction sector, such as binder, aggregate, or substitute of cement and sand in concrete, brick or mortar. Laboratory results indicate that implementing plastic waste as aggregates in cement composites obtains higher thermal resistance and acoustical performance. However, a reduction …


Urban Streets: Remaking Human-Based Places, Mona Helmy Jan 2023

Urban Streets: Remaking Human-Based Places, Mona Helmy

Architectural Engineering

Over the past few decades, due to the emerging compactness of cities considering the increase in population, and consequently the increasing demand for fast mobility, many streets have lost their human dimension. They have been transformed into fast roads, giving priority to vehicles, and reducing the rights of pedestrians. This transformation has affected streets in terms of planning, design, function, and scale. The paper argues that remaking cities’ urban streets as human-based places seeks to achieve a better balance between urbanism, people, nature, and culture, thereby improving their urban life in general. Through a literature review, this article chronologically investigates …


Techno-Economic Evaluation And Environmental Benefit Of Pv-Based Electric Vehicle Charging Station On University Campus, Rania Rushdy Moussa Jan 2023

Techno-Economic Evaluation And Environmental Benefit Of Pv-Based Electric Vehicle Charging Station On University Campus, Rania Rushdy Moussa

Architectural Engineering

Smart utilities comprise an important aspect of modern smart cities. The aim of this work is to present a case study for implementing a solar- energy-based electric vehicle charging station (for the first time on a campus in Egypt) at the British University in Egypt. The total amount of energy needed for charging each electric vehicle (EV) was estimated to be 13.3—16.2 kWh. The EV is operated by 12 batteries. The station was designed to provide energy sufficient for charging up to two vehicles daily during summer. Thus, the station sizing was based on the provision of 16.2 KW and …


The Impact Of Design Elements On Users’ Psychology To Foster Pro-Environmental Behavior In University Open Spaces., Dalia Moati, Toka Fahmy, Rehab El-Sayed Jan 2023

The Impact Of Design Elements On Users’ Psychology To Foster Pro-Environmental Behavior In University Open Spaces., Dalia Moati, Toka Fahmy, Rehab El-Sayed

Architectural Engineering

Environmental psychology is the study of the interaction between the user and the environment. This field is crucial in understanding how the design elements affect human behavior, moods, and feelings. As well as, understanding the aspects and influences of environmental psychology is crucial key to investigating how design can influence human behavior to be environmentally friendly. This is known as pro- environmental behavior where human actions are sustainable and impacts the environment positively. Accordingly, this paper aims to explore the impact of outdoor design elements on environmental psychology to foster pro-environmental behavior in university campus open spaces. To achieve this, …


The Impact Of Noise On Employees’ Performance, Satisfaction, Stress Level, And Concentration In Open-Plan Corporate Offices., Dalia M. Rasmi, Ahmed Khaled Ahmed, Esraa Torky Jan 2023

The Impact Of Noise On Employees’ Performance, Satisfaction, Stress Level, And Concentration In Open-Plan Corporate Offices., Dalia M. Rasmi, Ahmed Khaled Ahmed, Esraa Torky

Architectural Engineering

Noise is defined as any sound that obstructs or interferes with a person's ability to accomplish their job duties, whether it be background noise or noise from a loud workplace. An open-plan office is a workspace that makes use of available space rather than isolating staff members in offices or cubicles. An essential factor that influences both well-being and focus with relation to functional performance is noise, especially in enclosed spaces. The purpose of this study was to examine the impact of noise on employees in an open-plan workplace regarding focus, task performance, concentration, and interpersonal communication, by conducting research …