Architectural Engineering Commons^™

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 …

Use Of Precious Plastic Method Of Bricks For The Construction Of Tiny Homes, Haylie E. Tallon

Architectural Engineering

Precious Plastics, a Netherlands based company, created an open source project that can be used to create different objects from recycled plastics. The San Luis Obispo area has a large amount of recyclable plastic that is being treated as trash, adding to the pollution of the ocean and the air. This project is to determine the necessary steps to create plastic building blocks, using the Precious Plastic process, as a construction material for low-income, temporary housing. This report covers the process that was used to build two of the machines that will be used to create the bricks. This requires …

Reciprocal Frames: The Flat Beam Grillage, Cesar Noe Jimenez Ramirez, Nicholas Sowatzke

Architectural Engineering

This report follows the pursuit of attaining information and researching academic resources regarding the elusive reciprocal frame structures throughout history, in particular the flat beam grillage. In the following pages, the reader should expect to learn about reciprocal frames in a historical context throughout the globe, as well as, gain insight on how to potentially analyze these frames when they span two-dimensionally. As seen in Figure 1 (Pugnale 2011) and Figure 2 (Godthelp 2019), reciprocal frame structures consist of multiple groups of three or more members that are mutually supported. Along the perimeter of the structure, the members are supported …

“Biophilia As A Sustainable Design Approach For University Buildings Design: A Case Study In University Campus Drawing Studios Cairo, Egypt, Amira Mohamed Mahrous, Khaled M. Dewidar, Mostafa Mohamed Refaat, Ashraf Nessim

Architectural Engineering

University campuses have a long history of enriching the social, cultural, and economic value of societies. Worldwide, there is a rising demand for the integration of new approaches into the planning and design of university buildings to further improve their quality. According to the literature, many approaches needed to be considered while designing university buildings that can enhance students’ performance. Biophilic design is known to have enhancing levels of interaction, and interaction patterns, enhancing health and wellbeing in terms of physiological, psychological, cognitive, and social/ spiritual benefits, while rigorous scientific evidence that supports such claims is rare. Many researchers have …

Increased Strength And Stiffness In Plywood Shear Walls Through Steel Straps, Mike Deigert, Elizabeth Claypool, Michelle Dennin, John W. Lawson

Architectural Engineering

In a recent iteration of an upper-division engineering design lab course at Cal Poly SLO, students were challenged to identify and understand the probable failure mechanism of conventionally built plywood shear walls and hypothesize how they could delay or prevent common failure mechanisms to increase the overall lateral load carrying capacity. After observing the results of a test on a conventional, code specified wall, a solution to integrate metal gauge strapping into edge nailing was developed to address the common failure mechanisms of nail head pull through and panel edge tear out. A shear wall with metal strapping installed between …

Leveraging Lessons Learned From A Virtual Hands-On Outreach Program To Cultivate Diversity In The Next Generation Of Structural Engineers, Anahid Behrouzi, Nicole Buck, Sarah Navias

Architectural Engineering

A challenge that continues to face the structural engineering (SE) profession is the recruitment and retention of individuals from underrepresented minority (URM) groups, underscored over the years by findings reported on by the SE3 project committee. One approach to address this is by developing and conducting early outreach efforts with diverse populations of K-12 students, so they are aware of SE’s meaningful contributions to society and the intriguing technical problem- solving opportunities in this field. During these educational activities it is also important for young students to be exposed to engineering practitioner-educators who represent diverse backgrounds and whose lived experience …

A Parametric Study Of The New Wood Diaphragm Design Force Methods, John Lawson, Emily Taylor

Architectural Engineering

Since the introduction of seismic design provisions in U.S. building codes and standards, a single generally-accepted method has existed for determining seismic design forces on diaphragms. Recently, an alternate procedure was introduced in the Minimum Design Loads and Associated Criteria for Buildings and Other Structures (ASCE 7-16) (ASCE, 2016), and an additional alternate procedure is introduce in its next edition ASCE 7-22 (ASCE, 2022) for single-story rigid-wall flexible-diaphragm (RWFD) buildings. Suddenly the determination of seismic diaphragm forces has become a much more complex choice. The two newer alternate methods are based on better predictive modeling research; however, it is of …

Timber Buckling Restrained Brace, Faith Sharp, Armando Castaneda Jr

Architectural Engineering

The timber buckling-restrained brace (TBRB) experiment at California Polytechnic State University, San Luis Obispo (Cal Poly), began in 2018 with the goal of finding whether timber may provide proper restraint against buckling of a steel brace. The TBRB was motivated by the limited lateral force resisting systems (LFRS) available for low-to-mid-rise, type V construction; this system would provide strength and ductility at a scale and level of cost appropriate to timber construction.

Early research consisted of uniaxial component testing, where researchers played with the balance between the core brace design and utilization of timber casings for buckling restraint, with minimal …

Hands-On Earthquake Engineering Curriculum For The Virtual Classroom, S. Navias, N. Buck, Anahid A. Behrouzi

Architectural Engineering

During Summer 2021, five week-long virtual earthquake engineering sessions were offered in the Cal Poly Engineering Possibilities in College (EPIC) summer program. Typically, this is a residential program comprised of faculty-led workshops in various engineering fields to provide pre-college experiences to students, particularly from underrepresented backgrounds. The challenge posed by remote learning, due to the global pandemic, was to continue providing educationally effective hands-on activities. To accomplish this, the instructor team designed, fabricated, and shipped over 120 mail-home engineering kits for students to assemble a shake table, build and retrofit a structural model, as well as collect and analyze data …

Asce's Response To The Pandemic: Execution Of A Remote Exceed Teaching Workshop, Kelly Salyards, Allen Estes, Camilla M. Saviz, Patricia Clayton, Julian Ly Davis, Corinna Marie Fleischmann, Tonya Lynn Nilsson, Pinar Omur-Ozbek, Fethiye Ozis, Monica Palomo, Carolyn M. Rodak, Cassandra Rutherford, Cristina Torres-Machi, Dion Karean Coward, Leslie Nolen

Architectural Engineering

The American Society of Civil Engineers (ASCE) Excellence in Civil Engineering Education (ExCEEd) Teaching Workshop (ETW) started in 1999 and has produced 1035 graduates from 266 colleges and universities throughout the world. ASCE has conducted 44 week-long, inperson workshops without interruption for over two decades. The ExCEEd graduates returned to their home universities and applied the lessons of this workshop to the classes they teach. The details and long-term benefits of the ETW have been reported in many venues.

In Spring 2020, the COVID-19 pandemic swept the nation and remained a persistent threat throughout 2021. As a result, the in-person …

Designing With Force-Transfer Shear Walls: A Stiff Task To Achieve Better Performance And Cost Savings, Michael Deigert, John W. Lawson

Architectural Engineering

Wood-framed structural panel shear walls designed using the Force Transfer Around Openings (FTAO) method have become a very popular option for engineers, especially in areas with high lateral force requirements. The need for more affordable housing in metropolitan areas is leading to larger and taller multi-family residential buildings, and these typically wood-framed structures can benefit from the innovative approach behind FTAO design methodology. But do engineers have all the tools they need to accurately determine the stiffness of these walls and the associated lateral force required for their design.

Center For Centering: Analysis Of A Modular Timber Dome, Lucas J. Brown

Architectural Engineering

Analysis of a modular timber dome with focus on inductive, sensory, social, and environmental aspects.

Same Polytechnic College Tanzania Build 2022, Paulina Robles, Anna Yamauchi, Surina Marwaha, Tia Kelly, Dillon Schneider, Audrey Hoang, Connor Gilligan, Jennifer Viveros, Jenna Beutelschies, Robert Hardwick

Architectural Engineering

In collaboration with The Mbesese Initiative for Sustainable Design, the Cal Poly senior project team has designed, engineered, and prepared construction documents for a new vocational training college in Same, Tanzania, a rural area in the Mt. Kilimanjaro region. Upon its completion, the college will offer quality and practical educational opportunities for up to 1,200 students; in the interim, individual structures will be occupied immediately, adding value to the community throughout the construction process. The campus will house continuing educational programs, sports and agriculture fields, as well as hotels and other community-facing structures.

Structural Design Of A New Reaction Frame For High Bay Laboratory, Cassidy A. Sutton, Adelaide Albro

Architectural Engineering

The Cal Poly High Bay Testing Lab recently acquired hydraulic actuators for structural testing. The actuators are used for performing force and displacement tests on structural specimens designed and built by students and faculty. The existing frame that the old actuators mount to did not have enough capacity to accommodate the amount of force that the new actuators are capable of. New reaction frames were needed to be designed and constructed so the new actuators could be used to their full potential. The following report explores two different options for possible reaction frames in the lab. Both options have a …

Guidelines For The Eeri Seismic Design Competition, Kate Robinson

Architectural Engineering

The Earthquake Engineering Research Institute (EERI) has been dedicated to exposing undergraduate students to the wide range of interdisciplinary subjects related to earthquake engineering through the Seismic Design Competition. In 2022, California Polytechnic State University, San Luis Obispo (Cal Poly) sent 14 students to Salt Lake City, Utah for the competition – to compete with 31 other teams who all tackled the competition problem statement uniquely. The 2022 team was tasked with the research, design, analysis, and construction of a new structure to be built in downtown Salt Lake City, with the goal of replicating the design sequence of real-world …

Sage Garden Pavilion Shade Structure, Anthony Razouk Karroum, Manuel Bermudez, Matthew Kilbride, Sarah Holt, Marisa Martineau

Architectural Engineering

Form finding, testing, and construction of funicular double-layered shells in an interdisciplinary format with a focus on designing a shade structure for the San Luis Obispo Botanical Garden Children’s Pavilion. In the process, challenges such as connection design, materiality, storage, and more are explored and refined in relation to shell structures.

Funicular Shell Exploration: Form Finding And Fabrication, Alexis Truong, Adria Burton, Ethan Mach

Architectural Engineering

Analysis and evaluation of interdisciplinary challenges associated with integrating the design and construction processes to deliver innovative thin shell structures.

Arce 415 Portfolio, Jay Skaff, Audrey Williams, Sarah Tom

Architectural Engineering

The purpose of this studio is to design a sun shelter for children at the SLO Botanical Gardens. It will be used for outdoor presentations and learning experiences. When coming up with the initial design of the shell structure for the SLO Botanical Gardens, the team needed to consider the material being used, the constructability of the structure, the people who would be using the structure, and the overall lifespan of the shell.

Guastavino: Learn By Doweling, Audrey Luu, Gabrielle Favro, Robert Pulido, Cameron Grant

Architectural Engineering

We embarked on a journey into the world of shells this quarter! We began the process with form finding using rhino and grasshopper. Then made a study model using laser cutters to brainstorm ways to construct the real-life model. As a class, we completed two shell structures.

Development Of The Human Scale Twelve-Node Model, Tebrez W. Khan

Architectural Engineering

The attempted creation of a full-scale twelve-node model made of PVC pipe and golf balls. Intended use of the structure was for students to tactically learn from the model.

Population Growth Vs. Landfill Capacity Vs. Recycling Mandates In California Counties, Thomas Soares

Architectural Engineering

As population growth increases in Monterey, Fresno, Kern, San Luis Obispo, Santa Barbara, and Ventura counties, so does waste production. More waste is a cause for concern because landfills have limited capacities. In order to combat the increase in waste, cities, counties, and the state are creating recycling mandates to ensure waste is being handled appropriately. More specifically, the trash generated by residents and construction and demolition (C&D) materials are being recycled and reused instead of thrown into landfills. This report indicates that increases in recycling mandates in California cannot withstand the increase in waste generation from population growth. Another …

Team Torroja, Justine Teoh, Lindsey Brophy, Brandon Watrin

Architectural Engineering

For this project, we were tasked with designing a sun shelter by SLO Botanical Gardens for their Children's Garden. It was requested that the form by derived from structural shells. The structure is to serve as a multi-purpose space to host a variety of activities on the 30 foot by 60 foot site.

Analysing Bim Implementation In The Egyptian Construction Industry, Ayman Ahmed Ezzat Othman, Mohamed Marzouk, Heba Elsaay

Architectural Engineering

Purpose – This research is built up upon exploring the concepts of building information modeling (BIM) adoption and strategy formulation with the aim to develop a strategy for implementing BIM in the Egyptian construction industry. Design/methodology/approach – The development of the BIM implementation strategy was based on two pillars, namely the literature review and results of the survey questionnaire and interviews. First, the review of literature helped investigating the BIM challenges and international strategies developed to implement BIM worldwide. Findings – The research presented recommendations to assist policymakers in Egypt to facilitate BIM implementation. Originality/value – Although multiple frameworks have …

A Cultural Diversity Management Framework For Enhancing The Performance Of Architectural Design Firms In Egypt, Ayman Ahmed Ezzat Othman, Nadine Ibrahim Fouda

Architectural Engineering

Purpose – This paper aims to develop a cultural diversity management (CDM) framework to enhance the performance of architecture design firms (ADFs) in Egypt. Design/methodology/approach – A research methodology consisting of literature review, case studies and survey questionnaire was designed to achieve the abovementioned aim. First, literature review was used to investigate the concepts of globalization, international construction, diversity, diversity management (DM) and organizational performance. Second, four case studies were presented and analyzed. The first two cases explored the role of CDM towards enhancing the performance of ADFs, while the last two cases showed initiatives carried out by NGOs to …

Causes Influencing Construction Waste Generation During The Design Process: An Analytical Study, Aya Saad, Ayman Ahmed Ezzat Othman

Architectural Engineering

Despite the social and economic contributions of the construction industry towards achieving sustainable development objectives, it has an adverse effect on the environment such as the generation of waste, water, and energy consumption. Construction waste (CW) is the loss of materials that are produced during or after the construction process and has no remaining value. Several countries promote waste elimination plans at early stages to reduce CW at its source. The Egyptian government is expanding its investments in new mega projects and infrastructure facilities like new administrative capital, bridges, roads, energy projects which resulted in increasing the rate and amount …

Risks Of Innovation In The Architectural Design Process In Egypt: An Investigative Study, Rawan Medhat, Ayman Ahmed Ezzat Othman

Architectural Engineering

Achieving sustainability in construction projects is becoming an increasing priority worldwide. Being one of the crucial phases of the construction process, the design process plays a major role in achieving the goals of sustainability. Adopting innovative design solutions is a promising way of enhancing the sustainable performance of buildings. However, the implementation of innovative solutions is risky and needs to be managed carefully to avoid failure. Due to the increasing number of construction projects being developed in Egypt and because of the need to achieve the Sustainable Development Strategy (SDS) 2030, adopting innovative solutions became an essence. Accordingly, this research …

Achieving Sustainability Through Reducing Risks During Architecture Design Process: A Lean Management Perspective, Sherouk Abdelrehim, Ayman Ahmed Ezzat Othman

Architectural Engineering

The construction industry, as one of the largest industries in the world, plays a critical role in achieving national and international social and economic sustainable development goals. Socially, it is concerned with delivering long-term projects that turn client and end-user requirements into designs that specify technical aspects, functional specific requirements, and standards of quality. Economically, the construction industry contributes to a country's gross domestic product (GDP) by creating jobs and providing the country's infrastructure. the construction industry's nature is more vulnerable than other industries. This is believed to be due to the complex and dynamic nature of construction projects, as …

Analysis Of Sustainability Assessment Rating Systems For Existing Healthcare Buildings, Rowaida Ali, Mohamed Afify, Walid Abdel-Meniem, Ayman Ahmed Ezzat Othman

Architectural Engineering

Sustainability is the goal pursued by societies worldwide. Existing buildings have had their share of those issues, specifically healthcare buildings, as most governments encourage green new construction and neglect existing buildings. Additionally, the benefits of existing buildings in preserving the environment, and its resources and reducing energy and global warming crises. The research objective is to achieve a high-level performance of existing healthcare buildings within a framework of evaluating the most important determinants affecting these buildings. The paper will focus on presenting the different rating systems such as LEED and BREEAM, by dividing and analyzing these systems, given that each …

Public-Private Partnerships As An Approach For Alleviating Risks Associated With Adaptive Reuse Of Heritage Buildings In Egypt, Ayman Ahmed Ezzat Othman, Nouran Abdeltawab Mahmoud

Architectural Engineering

The status of heritage buildings in Egypt has remained threatened for decades as a result of many factors such as negligence, ignorance and lack of resources, which consequently led to degradation. Hence, opportunities to utilize these buildings efficiently are wasted. Adaptive reuse of heritage buildings has proven to be a beneficial, yet risky approach in Egypt. Additionally, the pressuring demands on the government to conserve these heritage buildings and satisfy other public demands have been growing even more recently. Accordingly, there is a need for the involvement of the private sector to aid the government in its adaptive reuse initiatives …

The Aesthetic Effect Of Photovoltaic Cells On The Building Facades, Khloud Khalid Eldamshiry

Architectural Engineering

Technological advancement in building incorporated photovoltaic (BIPV) has transformed the façade of the building into a generator powered by renewable energy sources. The BIPV facades are designed to provide energy production alongside traditional design goals such as aesthetics art and environmental control. However, the problem is that architectural design goals sometimes conflict with energy performance such as visibility and daylight versus maximum power output. In this context, the use of renewable energy sources such as solar energy seems to be worthwhile as they are numerous and have enormous environmental and economic prospects. This study aims to provide a new entrance …