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Mohamed Amine Abid, Soumaya El Janous and Abdelouafi El Ghoulbzouri
Traditional designs might not withstand earthquake forces adequately, potentially leading to structural damage. This paper aims to examine the impact of varying the base slab mass…
Abstract
Purpose
Traditional designs might not withstand earthquake forces adequately, potentially leading to structural damage. This paper aims to examine the impact of varying the base slab mass and the number of rubber layers in isolators on the performance of isolation systems to improve the seismic performance of buildings.
Design/methodology/approach
The isolated structure is modeled as a two-degree of freedom system, and its corresponding equation of motion is established. Displacement expressions for the base slab and roof are derived using the mode superposition method.
Findings
A base isolation system improves the buildings’ behavior, particularly when higher rubber layer numbers and a heavier base slab are assumed. At an excitation frequency of 8 rad/s, an increase in the rubber layer numbers from 9 to 11 led to a 30% reduction in relative displacement. At an excitation frequency of 6 rad/s, a 40% reduction in relative displacement was observed passing from a base slab mass (mb) of 7.5 tons with damping ratios of 12% and 10% in the first and second modes to a mass (mb) of 30 tons with lower damping ratios of 9.5% and 4.2%.
Originality/value
The high damping ratio in the isolation mode significantly increases the damping ratio of the fixed-base building. However, higher damping ratios in the first and second modes do not necessarily lead to better seismic performance. Besides, an increase in the base slab mass and the number of rubber layers enhances the dynamic response of the isolated structure by shifting its fundamental frequency away from the excitation frequency.
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Chiemela Victor Amaechi, Safi Ullah, Xiaopeng Deng, Salmia Binti Beddu, Idris Ahmed Ja’e, Daud Bin Mohamed and Agusril Syamsir
The purpose of this article is to investigate the influence that firm-specific characteristics, such as organisational capabilities, risk management methods and stakeholder…
Abstract
Purpose
The purpose of this article is to investigate the influence that firm-specific characteristics, such as organisational capabilities, risk management methods and stakeholder relationships, have on political risks (PRs) that are associated with multinational construction projects in Pakistan.
Design/methodology/approach
The methodology employed in this investigation involved the acquisition of data through the use of questionnaires administered to experts in the construction industry. The research applied a quantitative method, and the sources of the data are from the Pakistani stakeholders. One hundred questionnaires were used for the data collection during field visits. Based on the data, it has been ensured that the valid questionnaires were utilised, and the data were tested for validity and reliability. The analysis tool utilised was SPSS software. For the questionnaire, a total of 15 firm-specific factors were considered in order to design the survey, which specifically targeted the identified features. The factors identified as risks were investigated using quantitative method to determine firm-specific risks.
Findings
It was found that when stakeholders have a better grasp of these dynamics, they are better able to strengthen their resilience and efficacy in managing PRs, which ultimately increases the likelihood that the project will be successful.
Research limitations/implications
International construction projects (ICPs) in emerging countries are substantially impacted by PRs, which can have a considerable impact on their success and sustainability. The study is localised and not generic as it is limited to Pakistan, and the risk factors considered are firm-specific but related to PRs.
Practical implications
By identifying key risk factors, these firms can develop targeted risk management strategies, leading to enhanced decision-making and more efficient resource allocation. Effective strategies include diversification, local partnerships and comprehensive risk assessments tailored to the unique challenges faced by international contracting firms in Pakistan.
Social implications
ICPs in emerging countries like Pakistan face critical problems, which include the presence of PRs. Although the larger political environment plays a significant part, the manner in which businesses navigate and mitigate PRs is also influenced by firm-specific elements.
Originality/value
The study is novel in terms of the factors looked at, the data, the conceptual framework and the findings of the study. The dynamic political scene, which is characterised by instability, policy changes, corruption and geopolitical conflicts, poses significant dangers to the timeliness of projects, the expenses of such projects and the investments that are made in those projects.
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Likun Ni, Sayed Fayaz Ahmad, Ghadeer Alsanie, Na Lan, Muhammad Irshad, Rima H. Bin Saeed, Ahmad Bani Ahmad and Yasser Khan
This study aims to find out the role of green curriculum (GC) in making a green generation (GG) and ensuring sustainability. The study considers the green curriculum a key factor…
Abstract
Purpose
This study aims to find out the role of green curriculum (GC) in making a green generation (GG) and ensuring sustainability. The study considers the green curriculum a key factor for understanding environmental values orientation (EVO) and adopting pro-environmental behaviors (Pr-EnB) for social, economic, human and environmental sustainability.
Design/methodology/approach
The study is quantitative and cross-sectional. Partial least square-structural equation modeling was used to test the research model and data which was collected through a questionnaire survey from university faculty and students in Pakistan, Saudi Arabia and China.
Findings
The findings show that the GC has significant positive effects on EVO and pro-environmental behavior. However, it has no significant effect on social sustainability. There is a positive significant effect of pro-environmental behavior on economic, environmental, human and social sustainability. Whereas, environmental orientation has no significant effect on economic sustainability but significantly influences environmental, human and social sustainability. GC has no significant effect on economic, environmental and human sustainability. However, when considering the combined effects of GC and environmental values orientation or pro-environmental behavior, significant positive effects were found on economic, environmental, human and social sustainability.
Research limitations/implications
The result suggests that implementing a GC positively influences environmental orientation, pro-environmental behavior and various dimensions of sustainability.
Practical implications
These results have implications for educational institutions and policymakers aiming to promote sustainability through green curriculum and help in the attainment of sustainable development goals.
Originality/value
The study fulfills an essential need to obtain sustainability and sustainable development goals through education.
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Walter Leal Filho, Laís Viera Trevisan, Zujaja Wahaj, Denner Déda Araújo Nunes, Claudio Ruy Portela de Vasconcelos, Thais Aparecida Dibbern, Valeria Ruiz Vargas, Usha Iyer-Raniga, Rosley Anholon, Aliaksandr Novikau, Ismaila Rimi Abubakar and Maria Alzira Pimenta Dinis
In light of the growing emphasis on sustainability in higher education, this paper aims to explore the effectiveness of sustainability university rankings, specifically focusing…
Abstract
Purpose
In light of the growing emphasis on sustainability in higher education, this paper aims to explore the effectiveness of sustainability university rankings, specifically focusing on sustainable development (SD), to understand their impact on advancing universities’ sustainability goals and address gaps in practical implications and limitations.
Design/methodology/approach
This study examines sustainability rankings in higher education (HE) through document analysis. Chosen for significance, these rankings were evaluated for regional participation, criteria and the top 20 universities. The method involved scrutinising official ranking websites for diverse perspectives on sustainability. The results are classified into three categories: regional participation, assessment criteria and top universities in the latest iterations.
Findings
The findings show that sustainability rankings are widely spread, and their existence has led to an increased motivation for universities to further engage in efforts in the field of SD. This study offers suggestions for optimising the role of promoting SD principles and practices in HE.
Originality/value
This comprehensive assessment sheds light on rankings’ operations and success levels. It makes a significant contribution to the literature, providing an unprecedented overview of analysed rankings and on sustainability assessment and their impact. This analysis will be valuable for universities towards the integration of SD principles and practices into the HE environment.
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Zhen Li, Zhao Lei, Hengyang Sun, Bin Li and Zhizhong Qiao
The purpose of this study was to validate the feasibility of the proposed microstructure-based model by comparing the simulation results with experimental data. The study also…
Abstract
Purpose
The purpose of this study was to validate the feasibility of the proposed microstructure-based model by comparing the simulation results with experimental data. The study also aimed to investigate the relationship between the orientation of graphite flakes and the failure behavior of the material under compressive loads as well as the effect of image size on the accuracy of stress–strain behavior predictions.
Design/methodology/approach
This paper presents a microstructure-based model that utilizes the finite element method (FEM) combined with representative volume elements (RVE) to simulate the hardening and failure behavior of ferrite-pearlite matrix gray cast iron under uniaxial loading conditions. The material was first analyzed using optical microscopy, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD) to identify the different phases and their characteristics. High-resolution SEM images of the undeformed material microstructure were then converted into finite element meshes using OOF2 software. The Johnson–Cook (J–C) model, along with a damage model, was employed in Abaqus FEA software to estimate the elastic and elastoplastic behavior under assumed plane stress conditions.
Findings
The findings indicate that crack initiation and propagation in gray cast iron begin at the interface between graphite particles and the pearlitic matrix, with microcrack networks extending into the metal matrix, eventually coalescing to cause material failure. The ferritic phase within the material contributes some ductility, thereby delaying crack initiation.
Originality/value
This study introduces a novel approach by integrating microstructural analysis with FEM and RVE techniques to accurately model the hardening and failure behavior of gray cast iron under uniaxial loading. The incorporation of high-resolution SEM images into finite element meshes, combined with the J–C model and damage assessment in Abaqus, provides a comprehensive method for predicting material performance. This approach enhances the understanding of the microstructural influences on crack initiation and propagation, offering valuable insights for improving the design and durability of gray cast iron components.
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Mohamed Asmy Bin Mohd Thas Thaker, Mohamed Aslam Akbar and Riasat Amin Amin Imon
This paper aims to explore the role and relationship of ethics and morals in technology, specifically examining how Islam, as a religion that emphasizes spirituality and…
Abstract
Purpose
This paper aims to explore the role and relationship of ethics and morals in technology, specifically examining how Islam, as a religion that emphasizes spirituality and sacredness, can uniquely influence the concept of robot rights.
Design/methodology/approach
The existing literature on robot rights and Islamic perspectives has been critically reviewed to address the study’s objectives.
Findings
In Islam, robots are viewed similarly to property ownership, where the owner holds responsibilities rather than absolute control. Islamic ownership rights are distinct compared to conventional ownership models. In Islam, private ownership is limited, as God is considered the ultimate owner of all assets. Assets, including robots, must be managed according to Islamic values and ethics. Unlike conventional ownership, where the owner can dispose of their property without justification, Islamic principles grant more rights to assets (including robots). This difference arises from the sacred origins of economic resources in Islam, which extends to the treatment of assets as inputs in an economy. Therefore, spirituality, as defined in Islam, uniquely influences the rights of robots.
Originality/value
As robotics becomes an increasingly significant part of our lives, religion plays a growing role in shaping the ethical and moral framework within which robots operate. This study is among the first to present an integrative framework and evaluate robot rights from an Islamic economics perspective.
Yalalem Assefa, Melaku Mengistu Gebremeskel, Bekalu Tadesse Moges, Shouket Ahmad Tilwani and Yibeltal Aemiro Azmera
In today’s educational landscape, technology has become an undeniable force in shaping pedagogical approaches and even the definition of learning itself. But this path contains…
Abstract
Purpose
In today’s educational landscape, technology has become an undeniable force in shaping pedagogical approaches and even the definition of learning itself. But this path contains many obstacles. Within the higher education ecosystem, the digital divide – the disparity in access and use of technology – is proving to be a significant barrier for educational institutions, particularly in developing countries. Hence, the current study attempts to understand the digital divide and its associated consequence on educational in(equity) in higher education, particularly within the context of developing countries.
Design/methodology/approach
Using a systematic review methodological approach, this study illuminates the complex dimensions of the digital divide and its associated educational impact in higher education based on the social justice theoretical perspective.
Findings
Key findings of the study show that the affordability of digital devices, infrastructure limitations and limited digital literacy are the main drivers of the digital divide. It has also been understood that the digital gap impairs teachers’ pedagogical approaches; thereby, this has a detrimental consequence on students’ learning engagement and academic achievement. More severely, the digital divide exacerbates existing educational disparities disproportionately, impacting students particularly from marginalized communities that already face automated inequality.
Originality/value
The study makes some encouraging recommendations for interventions to close the digital divide and reduce its effects on education. These include the implementing of initiatives that minimize access to and use of digital gaps; establishing long-term infrastructure investments to address connectivity issues; and creating adaptable support systems to deal with technical issues. By applying these and related approaches, higher education can bridge the digital divide and promote fair and inclusive learning opportunities, ultimately leading to equitable learning environments for all.
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Dimitrios Kafetzopoulos, Katerina Gotzamani and Fotios Vouzas
The main purpose of this study is to investigate the role of organizational culture in creating a supportive environment for business model innovation (BMI) by focusing on the…
Abstract
Purpose
The main purpose of this study is to investigate the role of organizational culture in creating a supportive environment for business model innovation (BMI) by focusing on the mediating role of strategic flexibility and the moderating effect of technological capability.
Design/methodology/approach
To achieve this objective an empirical survey was conducted among 379 participant firms in Greece. CFA and finally hierarchical regression analysis were performed to validate the data and examine the hypothesized relationships.
Findings
The results show that strategic flexibility mediates the relationship between organizational culture and BMI. The effect of organizational culture on strategic flexibility is stronger for firms with increased technological capability.
Research limitations/implications
Data were collected at only one point in time from one country, Greece. This might pose limitations on the generalizability of our results. Furthermore, we did not explore many internal or external mediating or moderating factors in the relationship between organizational culture and BMI.
Practical implications
Managers should consider incorporating a suitable organizational culture into their strategies to enable them improve their strategic flexibility, which further promotes BMI.
Originality/value
The current state of knowledge of both theory and practice for critical organizational factors such as organizational culture, strategic flexibility, BMI and technological capability will be extended.
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