Architecture Commons^™

Setting Times Of Early-Age Mortars Determined From Evolution Curves Of Poisson’S Ratio, Bate Bate, Xiao Chen, Chao Chen, Hongyan Ma, Jianfeng Zhu, Junnan Cao, Jiakai Chen, Kamal Khayat, Shuai Zhang

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Setting times, as the early-age properties of cement-based materials, are important properties to ensure the quality and long-term performance of engineering structures. To determine the initial and final setting times of cementitious materials, the compressive wave velocity and shear wave velocity of six early-age mortar samples were monitored. Their time evolution curves of Young's modulus, shear modulus, bulk modulus, and Poisson's ratio were then calculated and analyzed. The signature times of the derivatives of the Poisson's ratio evolution curves correlate well with the initial and final setting times, and the remarkably high coefficient of determination values relative to the data …

A Global Survey Of Infection Control And Mitigation Measures For Combating The Transmission Of Covid-19 Pandemic In Buildings Under Facilities Management Services, Hadi Sarvari, Zhen Chen, Daniel W. M. Chan, Ellyn A. Lester, Nordin Yahaya, Hala Nassereddine, Aynaz Lotfata

Civil Engineering Faculty Publications

Facilities management along with health care are two important aspects in controlling the spread of infectious diseases with regard to controlling the outbreak of global COVID-19 pandemic. Hence, with the increasing outbreak of COVID-19 pandemic, the importance of examining the relationship between the built environment and the outbreak of infectious diseases has become more significant. The aim of the research described in this article is to develop effective infection control and mitigation measures to prevent the transmission of COVID-19 pandemic in the built environment. This study seeks to answer the question of how the facilities management industry can help reduce …

Strategic Energy Master Planning For Carbon Neutrality, Marie Patterson

CSU Journal of Sustainability and Climate Change

Universities across the United States are generating goals to be more sustainable and carbon neutral. The energy used in existing buildings on campuses amount to a large volume of greenhouse emissions and must be reduced to help achieve neutrality goals. Strategic Energy Master Plans are instrumental to support these goals through the development of recommendations to reduce energy. Calculating the energy use intensity for existing buildings, a main component of a Strategic Energy Master Plan, can help the campus understand where energy is being used the most. With this information the highest energy consuming buildings can be the focus of …

Module 01: Introduction To Architectural Cad, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 05: Plumbing Plans, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 03a: Floor Plan Intro, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 07: Wall Sections, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 03b: Detail Floor Plan Layout, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 04: Electrical Plans, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 08: Roof Plans, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 09: Site Plan, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 02: Residential Design, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Module 03c: Dimensioning, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Impact Of Covid-19 On The Diversity Of The Construction Workforce, Anil Baral, Yunping Liang, Mingshu Li, Marilyn Gonzalez, Mohsen Shahandashti, Baabak Ashuri

Durham School of Architectural Engineering and Construction: Faculty Publications

Construction industry employment has been severely impacted by the coronavirus (COVID-19) pandemic. This paper examines the impact of the COVID-19 pandemic in the US construction labor market. This study contributes to the state of knowledge by (1) revealing how the COVID-19 pandemic impacted construction employment across different demographic groups and geographic regions in the US, and (2) identifying vulnerable demographic groups (e.g., minorities, women, older workers) in the construction workforce that are disproportionally impacted by the pandemic. Employment data from the Current Population Survey and Current Employment Statistics (CES) programs, which are administered by the Bureau of Labor Statistics, are …

Availability Heuristic In Construction Workforce Decision-Making Amid Covid-19 Pandemic: Empirical Evidence And Mitigation Strategy, Yunping Liang, Anil Baral, Mohsen Shahandashti, Baabak Ashuri

Durham School of Architectural Engineering and Construction: Faculty Publications

The decision-making situations of the construction workforce have been drastically altered since the outbreak of the Coronavirus 2019 (COVID-19) pandemic. The new situation, where decision-makers strive to promptly respond to the unprecedented crisis to sustain essential construction operations without compromising the safety and health of workers, implies the presence of an availability heuristic. An availability heuristic has the potential to bring unconscious, systematic errors to the decision-making process. This study creates a decision-making experiment to empirically examine the presence of an availability heuristic and the effectiveness of a corresponding mitigation strategy in construction workforce decision-making under COVID-19 uncertainties. The experiment …

Module 06: Hvac, Keith Johnson, Mohammad Moin Uddin

ENTC 2160: Architectural CAD

No abstract provided.

Indoor Air Quality Through The Lens Of Outdoor Atmospheric Chemistry, Jonathan P.D. Abbatt, Douglas B. Collins

Faculty Contributions to Books

Outdoor atmospheric chemistry and air quality have been the topic of research that intensified in earnest around the mid-20^th century, while indoor air quality research has only been a key focus of chemical researchers over the last 30 years. Examining practices and approaches employed in the outdoor atmospheric chemistry research enterprise provides an additional viewpoint from which we can chart new paths to increase scientific understanding of indoor chemistry. This chapter explores our understanding of primary chemical sources, homogeneous and multiphase reactivity, gas-surface partitioning, and the coupling between the chemistry and dynamics of indoor air through the lens of …

Transdisciplinarity In Experience Design: A Global Survey Of Higher Ed Programs In Exd/Xd, Yvonne Houy

Creative Collaborations

In our age of ubiquitous devices and digital media it is the perceived value of the end-to-end experience that brings people to a place. Designing inspiring and emotionally engaging end-to-end experiences requires experts in a wide range of disciplines committed to an interdisciplinary collaboration that can arrive at transdisciplinary design - the sum becomes greater than its parts.

Civil engineering, hospitality, business, psychology, digital User Experience (UX) design, and experience data analysis need to be seamless integrated with the fine and performing arts and design fields:

• Architecture, interior, landscape and sound design actively engage the senses.

• Graphic and fine arts …

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Tilt-Up Partially Composite Insulated Wall Panels, Marc Maguire, Salam Al-Rubaye

Durham School of Architectural Engineering and Construction: Faculty Publications

This research project was initiated to investigate the behavior of load-bearing concrete insulated wall panels for use in tilt-up construction. The primary objective was to understand the inelastic behavior of these panels so that engineers could perform a proper second-order analysis for combined axial and out-of-plane loading. Toward this aim, the Tilt-up Concrete Institute (TCA) and wythe connector suppliers Innstruct, Thermomass, HK Composites, Dayton Superior, and IconX, funded this study.

This report contains information related to testing of solid and partially composite insulated wall panels that integrated proprietary wythe connection systems. Using the information from these tests, a method to …

Challenges And Enabling Features Of Small And Medium Infrastructure Public-Private Partnerships (P3s): A Case Study Of The Us P3 Infrastructure Market, Yunping Liang, Baabak Ashuri

Durham School of Architectural Engineering and Construction: Faculty Publications

Purpose: In classical perspective, projects under a certain size are not feasible for P3. However, there is an emerging trend on using P3 to deliver projects that are frequently small to medium sized to meet ever-increasingly complex social needs, including enhancing lifecycle performance of existing facilities, designing and building for resilience and sustainability, ensuring cost effectiveness of public spending, and fostering innovation. In contrast with the increasing implementation, small and medium P3s, especially those in the United States, receive little attention in existing studies. This study aims at answering the question: in the context of the US, what features of …

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 …

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 …

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 …

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 …

A Prototype Evaluation Tool For Museum Exhibition Design: Aligning Display Techniques With Learning Identities, Khloud Khalid Eldamshiry, Rania Rushdy Moussa

Architectural Engineering

Museums have been forced by the pressure of change to switch practices and outlooks to transform museum visitors from passive consumers in a collection-focused ‘static exhibition’ to active participants in a visitor- centred ‘interactive technology exhibition’. This paper aims to model a framework for museum exhibition design that can be used as a prototype evaluation tool. It is achieved throughout analysing the interrelationships between museum visitors learning identities and their museum experiences and what are the display techniques that can be used to increase museum visitors’ social interaction with the museum environment and how each technique will affect the visitor’s …

Seismic Risk Assessment Of A Steel Building Supported On Helical Pile Groups, Maryam Shahbazi, Amy B. Cerato, Emad M. Hassan, Hussam Mahmoud

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Designing structures to be the least vulnerable within earthquake-prone areas is a serious challenge for structural engineers. One common and useful tool that structural engineers use to predict the vulnerability of a structure during an earthquake is a fragility curve. However, most structural fragility curves do not take into consideration the contribution of pile foundation systems in the structural vulnerability. Therefore, this study aims to modify existing fragility curves of a six-story fixed-base steel frame hospital building with buckling-restrained braces, to incorporate the effect of helical pile group behavior on the fragility of the structure. To that end, a finite …

Building Performance - Societal Drive, Programme And Symposium, Joseph Little, Patrick Daly

Articles

Society is increasingly looking at the construction industry to mitigate the environmental crisis and solve the housing crisis through wholesale embrace of three broad sets of challenges. The MSc in Building Performance (Energy Efficiency in Design) (MSc BP(EED)) was created in 2017 to provide significant upskilling in the knowledge, skills, and software applications of building design professionals so that they can meet these challenges, while creating compliant, sustainable, super-low energy, new and renovated buildings. The delivery of the programme supports upskilling of employed building design professionals at Masters level, encouraging a minority to develop their capacity and interest in research …

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 …