Search results
21 – 30 of over 31000Mary McCormick, Angela R. Bielefeldt, Christopher W. Swan and Kurtis G. Paterson
The purpose of this study was to design an assessment instrument to evaluate students’ attitudes toward sustainable engineering (SE). Factors that impact SE beliefs could then be…
Abstract
Purpose
The purpose of this study was to design an assessment instrument to evaluate students’ attitudes toward sustainable engineering (SE). Factors that impact SE beliefs could then be explored.
Design/methodology/approach
Using the definition of sustainability from the Brundtland report and expectancy value theory, students’ sentiment toward SE was evaluated using items to assess SE self-efficacy, SE value and SE affect. The survey was distributed at three diverse universities with 515 responses from students ranging from first year through graduate studies in a variety of engineering majors. The survey instrument was validated using principal components analysis, and internal reliability was established via high Cronbach’s alpha for each construct.
Findings
Participation in more experiential, enriching learning experiences correlated to higher SE self-efficacy, value and affect. Extracurricular club involvement correlated with a lower self-efficacy but high SE value. Students who had participated in undergraduate research had a high SE self-efficacy, particularly in the environmental and social sub-scales. The students who participated in internships had high SE self-efficacy but lower SE affect. A greater number of volunteer hours correlated with increased SE affect. Female students possessed higher SE value and affect than male students, but self-efficacy was not significantly different. SE self-efficacy increased with academic rank.
Originality/value
This is the first effort to measure engineering students’ attitudes toward SE using the three sub-scales of expectancy value theory and assessing correlations in these attributes with students’ participation in various learning experiences.
Details
Keywords
Usman Umar Akeel, Sarah Jayne Bell and John E. Mitchell
The purpose of this study is to present an assessment of the sustainability content of the Nigerian engineering curriculum in universities.
Abstract
Purpose
The purpose of this study is to present an assessment of the sustainability content of the Nigerian engineering curriculum in universities.
Design/methodology/approach
Content analysis is used to generate and analyse data from three engineering documents, namely, the Benchmark Minimum Academic Standards for Engineering Programmes in Nigeria and the engineering handbooks of two Nigerian higher education institutions.
Findings
The Nigerian engineering curriculum is revealed to have a low sustainability content, with environmental concepts being the most cited themes and social topics as the least stated issues.
Research limitations/implications
The sustainability assessment approach adopted in the study is constrained by the question of what constitutes a sustainability syllabus. Expert-derived sustainability themes used in the study are unavoidably incomplete and may limit the conduct of an exhaustive sustainability content assessment.
Practical implications
Based on the research outcome, the Council for the Regulation of Engineering in Nigeria and other stakeholders can consider ways to adequately incorporate sustainability themes in the Nigerian engineering curriculum.
Originality/value
The research is an effort to determine the presence of sustainability issues in the Nigerian engineering education, which has hitherto been scarcely documented. This study provides a baseline and a rationale for sustainability education interventions in the Nigerian engineering curriculum. It also presents a methodology for analysing sustainability content in university curriculum and contributes to the continuing sustainability education discourse, especially in relation to sub-Saharan Africa.
Details
Keywords
Nathan Daniel McWhirter and Tripp Shealy
This paper aims to introduce a case-based module teaching sustainable engineering, linking the Envision rating system with behavioral decision science. Three complete modules are…
Abstract
Purpose
This paper aims to introduce a case-based module teaching sustainable engineering, linking the Envision rating system with behavioral decision science. Three complete modules are publicly available in a repository for any instructor to adapt, use and review.
Design/methodology/approach
A case study was written about the Tucannon River Wind Farm, a project-certified Gold by the Institute for Sustainable Infrastructure’s Envision™ rating system. The case was used as the basis for an in-class PowerPoint module to achieve student learning outcomes related to sustainability.
Findings
Before and after surveys showed significant (p < 0.05) learning increases. Word clouds show changes in student perceptions of sustainable design. Rubric scoring of writing assignments and concept maps yielded valuable insights and improvements and demonstrated the overall validity of the module approach.
Research limitations/implications
Modules lasting only one or two class days must be well-integrated into courses and curricula to promote greater learning value. Concept mapping may be a useful addition but involves a learning curve for both instructors and students.
Practical implications
By offering instructors access to a set of case-based modules, it becomes more practical for them to teach about sustainable infrastructure and decision-making.
Social implications
The module exemplifies a project owner and an engineering firm strongly committed to social and environmental sustainability. Envision’s Quality of Life and Leadership categories emphasize community well-being, involvement and collaboration.
Originality/value
This module offers a unique transdisciplinary focus meeting several needs in engineering education on sustainability, complex problems and decision-making.
Details
Keywords
Engineering State is a week‐long program held at Utah State University each June. It is designed to introduce top high school students entering their senior year to the engineering…
Abstract
Engineering State is a week‐long program held at Utah State University each June. It is designed to introduce top high school students entering their senior year to the engineering field and the university experience, which includes learning to use a library. Initiated in 1990 by the civil engineering department, it expanded the following year to include additional departments within the College of Engineering. Although engineers are not typically strong library users, the civil engineering faculty felt a library component should be part of the students' Engineering State experience.
Gulden Gumusburun Ayalp and Tülay Çivici
The construction industry is a crucial industry for national development worldwide. Because the construction industry is tied to national and international economic activities…
Abstract
Purpose
The construction industry is a crucial industry for national development worldwide. Because the construction industry is tied to national and international economic activities, the COVID-19 outbreak has limited construction projects. Therefore, this study investigates the most influential factors regarding COVID-19 and their effects on the construction industry.
Design/methodology/approach
The potential impacts of COVID-19 on the construction industry were identified through a realistic literature review and interviews with professionals. A questionnaire was distributed via e-mail to architects, civil engineers and contractors who play vital roles during the construction processes. The data were analysed using SPSS 22 and LISREL 8.7 software to quantify the most influential pandemic-related factors faced by the construction industry.
Findings
Ten influential pandemic factors affecting the construction industry in Turkey were identified. Among them, “increased costs and price escalations due to shortage of raw materials and supply chain disruption” and “challenges with payment and cash flows” were determined as the most influential pandemic factors.
Research limitations/implications
This research aims to advance comprehension of pandemic impacts and contributes an incipient assessment framework based on 10 determined pandemic factors. Therefore, contractors, architects and civil engineers may analyse their weaknesses and organise precise priorities so that their firms may remain competitive, thus minimising the adverse impact of COVID-19 and possible forthcoming waves.
Originality/value
Few studies have identified the effect of pandemics on the construction industry qualitatively, forcing management to make projections to the current situation. Moreover, no study has provided insights into the influential factors of pandemics using quantitative methods. Therefore, this study comprehensively and quantitatively determines the relevant COVID-19 pandemic factors using exploratory factor analysis (EFA) and utilises confirmatory factor analysis (CFA) and structural equation modelling to present a structural model of how pandemic factors affect the Turkish construction industry.
Details
Keywords
Shamsuddin Shahid, Sahar Hadi Pour, Xiaojun Wang, Sabbir Ahmed Shourav, Anil Minhans and Tarmizi bin Ismail
There is a growing concern in recent years regarding climate change risks to real estate in the developed and developing countries. It is anticipated that the property sector…
Abstract
Purpose
There is a growing concern in recent years regarding climate change risks to real estate in the developed and developing countries. It is anticipated that the property sector could be affected by variable climate and related extremes as well as by the strategies adopted to combat greenhouse gas (GHG) emissions. This paper aims to analyse the current knowledge regarding future climate changes to understand their possible impacts on the real estate sector of Malaysia with an aim to help stakeholders to adopt necessary responses to reduce negative impacts.
Design/methodology/approach
Available literature is reviewed and data related to climatic influences on buildings and structures are analysed to understand the climate change impacts on real estate in Malaysia.
Findings
The study reveals that temperature in the Peninsular Malaysia will increase by 1.1 to 3.6°C, rainfall will be more variable and river discharge in some river basins will increase up to 43 per cent during the northeast monsoon season by the end of this century. These changes in turn will pose risks of property damage and increase property lifecycle costs. Furthermore, property prices and the overall growth of the property sector may be affected by the government policy of GHG emission reduction by up to 45 per cent by the year 2030. This study concludes that the property sector of Malaysia will be most affected by the implementation of GHG emission reduction policy in the short term and due to the physical risk posed by variable climate and related extremes in the long term.
Originality/value
The study in general will assist in guiding the operational responses of various authorities, especially in terms of those interventions aimed at climate change risk reduction in the property sector of Malaysia.
Details
Keywords
Claudia Calle Müller, Piyush Pradhananga and Mohamed ElZomor
The built environment is responsible for approximately 40% of the world’s energy consumption, 30% of raw material use, 25% of solid waste, 25% of water use, 12% of land use and…
Abstract
Purpose
The built environment is responsible for approximately 40% of the world’s energy consumption, 30% of raw material use, 25% of solid waste, 25% of water use, 12% of land use and 33% of greenhouse gas emissions. Thus, environmental improvement and decarbonization are becoming increasingly critical objectives for the construction industry. Sustainable construction can be achieved through several practices, including: considering life-cycle assessment, circular construction, resource efficiency and waste management and providing eco-efficient materials, reducing energy demands and consumption and incorporating low-carbon technologies and renewable energy sources. To achieve sustainable construction goals, it is critical to educate the future workforce about decarbonization, circular construction and how to overcome the challenges involved in transitioning to sustainable construction. This study aims to understand the gap in student knowledge related to decarbonization and circular construction and the importance of incorporating these topics in civil engineering and construction management curricula.
Design/methodology/approach
This study surveyed 120 undergraduate and graduate students at one of the largest minority-serving institutions in the USA to understand the gap in student knowledge related to decarbonization and circular construction as well as the importance of incorporating these topics in civil engineering and construction management curricula. The authors conducted several statistical measures to assess the consistency, reliability and adequacy of the sample size, including the Kaiser–Meyer–Olkin measure of sampling adequacy, the normality test to evaluate the appropriateness of using an ordered probit regression analysis and a multicollinearity test to observe the correlation between independent variables. The data was analyzed using ordered probit regression analysis to investigate the need for a curriculum that serves in educating students about decarbonization and circular construction.
Findings
The results of this research highlight the gaps in students’ knowledge pertaining to sustainable practices and the importance of providing future construction workforce with such knowledge to tackle global inevitable challenges.
Originality/value
The findings of this study contribute to sustainable construction bodies of knowledge by advocating for a reformed curriculum to prepare the future workforce and adopt less carbonized, more circular approaches within the engineering and construction industry.
Details
Keywords
Isaac Greene, Weena Lokuge and Warna Karunasena
Current methods for floodway design are predominately based on hydrological and hydraulic design principles. The purpose of this paper is to investigate a finite element methods…
Abstract
Purpose
Current methods for floodway design are predominately based on hydrological and hydraulic design principles. The purpose of this paper is to investigate a finite element methods approach for the inclusion of a simplified structural design method into floodway design procedures.
Design/methodology/approach
This research uses a three-dimensional finite element method to investigate numerically the different parameters, geometric configurations and loading combinations which cause floodway vulnerability during extreme flood events. The worst-case loading scenario is then used as the basis for design from which several structural design charts are deduced. These charts enable design bending moments and shear forces to be extracted and the cross-sectional area of steel and concrete to be designed in accordance with the relevant design codes for strength, serviceability and durability.
Findings
It was discovered that the analysed floodway structure is most vulnerable when impacted by a 4-tonne boulder, a 900 mm cut-off wall depth and with no downstream rock protection. Design charts were created, forming a simplified structural design process to strengthen the current hydraulic design approach provided in current floodway design guidelines. This developed procedure is demonstrated through application with an example floodway structural design.
Originality/value
The deduced structural design process will ensure floodway structures have adequate structural resilience, aiding in reduced maintenance and periods of unserviceability in the wake of extreme flood events.
Details
Keywords
Qasim Zaheer, Mir Majaid Manzoor and Muhammad Jawad Ahamad
The purpose of this article is to analyze the optimization process in depth, elaborating on the components of the entire process and the techniques used. Researchers have been…
Abstract
Purpose
The purpose of this article is to analyze the optimization process in depth, elaborating on the components of the entire process and the techniques used. Researchers have been drawn to the expanding trend of optimization since the turn of the century. The rate of research can be used to measure the progress and increase of this optimization procedure. This study is phenomenal to understand the optimization process and different algorithms in addition to their application by keeping in mind the current computational power that has increased the implementation for several engineering applications.
Design/methodology/approach
Two-dimensional analysis has been carried out for the optimization process and its approaches to addressing optimization problems, i.e. computational power has increased the implementation. The first section focuses on a thorough examination of the optimization process, its objectives and the development of processes. Second, techniques of the optimization process have been evaluated, as well as some new ones that have emerged to overcome the above-mentioned problems.
Findings
This paper provided detailed knowledge of optimization, several approaches and their applications in civil engineering, i.e. structural, geotechnical, hydraulic, transportation and many more. This research provided tremendous emerging techniques, where the lack of exploratory studies is to be approached soon.
Originality/value
Optimization processes have been studied for a very long time, in engineering, but the current computational power has increased the implementation for several engineering applications. Besides that, different techniques and their prediction modes often require high computational strength, such parameters can be mitigated with the use of different techniques to reduce computational cost and increase accuracy.
Details
Keywords
J.S. Oakland and A.J. Aldridge
Looks at the construction industry’s approach to quality managementby focusing on the sector of civil and structural engineeringconsulting, with an in‐depth study of one company…
Abstract
Looks at the construction industry’s approach to quality management by focusing on the sector of civil and structural engineering consulting, with an in‐depth study of one company in particular. Examines the premiss that the industry does not really understand total quality management, but merely considers the management of quality to be the gaining of BS 5750 registration. The study was carried out on a literature review and interview basis in six offices of a multi‐disciplinary firm of consulting engineers. Comparison of the case study findings with Oakland’s model for TQM and the literature review provide a résumé of the current status of understanding and management of quality in construction.
Details