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  Subjects -> ARCHITECTURE (Total: 219 journals)
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International Journal of Built Environment and Sustainability
Number of Followers: 3  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1511-1369 - ISSN (Online) 2289-8948
Published by Universiti Teknologi Malaysia Homepage  [1 journal]
  • Using KRF Structures As An Adaptive Facade And Evaluation of Daylight
           Performance Based on Geometry: A Case Study in Ankara

    • Authors: Haci Ahmet Şenel; Zeynep Yeşim İlerisoy, Asena Soyluk
      Abstract: Adaptive facades are widely used today because they are energy efficient and sustainable. It is expected that kinetic facades will become more common in the future and new geometries are constantly sought. Kinetic Reciprocal Frame (KRF) structures are also one of the innovative and sustainable approaches. In this study, KRF structures are used as adaptive facades and are analyzed in two stages. As a test model, a standard high-rise office building in Ankara, Turkey is created and simulations are made on the south facade. In the first stage, the modules’ applicability in different geometries is examined and the differences within the geometries are revealed. KRF modules are examined for cost-effectiveness and mobility. In the second stage, analyzes are made on the daylight performance of the geometries. Modules are evaluated based on spatial daylight autonomy (sDA), annual sunlight exposure (ASE), and average lux. As a result, in terms of daylight performance, the hexagonal KRF module gives the best result by drawing the most homogeneous values due to its high mobility. However, it is noticed that the daylight performance of the triangle KRF module is weak compared to other modules, the ASE values cannot be controlled and it is more difficult to implement because it is not effective in terms of cost per module. The fact that hexagonal modules give good results in terms of cost is found to be good in support of it. This study is also valuable study in terms of the application performance of KRF structures on the facade.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • Conditions for Implementing Windowless Offices in High-Density Urban
           Centers of Malaysia: A Bibliometric and Systematic Review

    • Authors: Thomas Terna Aule; Roshida Abdul Majid , Anthony Peter, Kamaldeen Jide Anifowose
      Abstract: The dearth of land in high-density urban centres necessitates constructing structures with deep interiors, with little or no connection to the external environment. Additionally, the negative relationships between high-rise structures in the city centres in recent times are increasingly making contact with the outdoor environments undesirable. Whether in the built environment, decision sciences, healthcare, or technological disciplines, there is a need to understand the factors necessary for windowless office implementation, its prominent researchers, and geographical contexts, among other conditions for practical application. These background variables could assist in arriving at emerging themes, problems and gaps for concrete windowless office development in Malaysia. In this systematic review, the bibliographic information of title, abstract and keywords was mined from 255 documents on the Scopus database to generate scientometric maps and links showing relationships on co-authorship, co-citation, co-occurrences, and bibliometric coupling. The top trending variables in windowless office research are COVID-19, energy efficiency, indoor air quality, heart rate variability, performance assessment, visual reality, and workplace environment. Like other advanced economies in Asia, Malaysia is seen to attain a satisfactory level of development to implement the windowless office design module, with stable electricity power, technological advancement, and psychological stability of the people. The emerging variables in this review will give novel directions in exploring the developmental, psychological and health conditions for effective windowless office implementation in the country and similar economies in Asia, Africa and South America, where metropolises are fast becoming compacted due to ever-growing city centres
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • Developing a Performance-Based Approach to the Effect of Roof Features on
           Fire Safety in Buildings with Atriums

    • Authors: Mehmet Akif Yildiz; Figen Beyhan
      Abstract: Developing technology, changing social structures, and the threat of resource depletion have changed the design of buildings. Therefore, design approaches are developed to increase user comfort and reduce energy consumption by utilizing natural ventilation and lighting. The design of the distribution of outdoor air and light into the spaces through vertical and horizontal gaps reduces the energy demand of the mechanical systems and increases occupant comfort. The atrium is the preferred vertical gap in modern buildings for distributing natural air and light to interior spaces under appropriate conditions. However, in buildings with atrium, there is a risk of fire spreading in the event of a fire due to the uninterrupted gaps between the rooms. It is necessary to ensure the operability of the design by monitoring the measures to be taken in the early stages of design using performance-based fire safety methods. This study develops design strategies for fire analysis in atrium buildings using computational fluid dynamics (CFD) simulation technology. Atrium height, roof type, and slope characteristics are analyzed for the stack effect, which is the main factor in the movement of smoke and flames. As a result of the numerical analyses consisting of flat, unidirectional, and bidirectional sloping roof type, 10, 20, 30-degree roof slope, and one-meter rising atrium roof variables, the effect degrees for smoke dispersal and temperature control are investigated. Fire Dynamic Simulator, which uses CFD capabilities, and Smokeview software, which can visualize the results, were used for the numerical analysis. Correlation analysis was used to determine the effect of variables on temperature. The results showed that flat roofs and designs with increasing height were effective in delaying the spread of smoke and increasing the stack effect in the atrium, while the contribution of roof slope to fire safety was weak.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • Residential Zones of Students around a University in Ho Chi Minh City:
           Characteristics and Preferences

    • Authors: Ngoc T. Nguyen; Hang T.H. Bui, Duyen T.K. Cao
      Abstract: The student housing market has had free and unsystematic development in developing cities with a high density of universities. In Ho Chi Minh City, the situation has resulted in specific negative urban issues and low life quality for students. This study aimed to clarify how students allocate around a university, the residential zones' characteristics, and preferences for the residential zones. We analyzed survey data of 304 students at a university in Ho Chi Minh City. We addressed the differences among residential zones through statistical analyses of group differences. A multinomial logit model was deployed to explore students' choice of residential zones. Results show significant characteristics that affected the students' choice, including academic levels, motorcycle usage, employment status, family income, household member, household size, and gender. Some implications for policymaking in the student housing market were raised regarding residential zones, integrating transport systems, travel behavior, and employment opportunities. The study enhanced knowledge of the student housing situation (i.e., residential zones or residential allocation) and the student's preferences. Policymakers and practitioners developing student housing markets, built environments, and related services can benefit from this study. The findings apply to the specific city under investigation and are useful to other Southeast Asian cities with similar socio-cultural contexts.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • The Role of Animal-Aided Design in Sustainable Architecture

    • Authors: Melis Tüzen; Hilal Aycı
      Abstract: Environmentally insensitive practices such as the unconscious use of natural resources, industrialization and unplanned urbanization cause the rapid destruction of natural habitats and even the extinction of some species. Today, as the importance of sustainable architecture has increased, architectural approaches that are compatible with nature have been adopted and thus the protection of natural life has been tried to be supported. As a definition, sustainability is a form of practice that aims to harmonize the built environment with natural life. In this context, the impact on animals whose habitats we are destroying is a significant topic within sustainability discussions. Studies show that the role and importance of human-animal based sustainable architectural habitats for enhancing animal welfare have not been extensively investigated. This study aims to discuss the importance of animal-aided designs within the sustainability approach. In addition, it is to carry out studies to improve the quality of life in society by strengthening the human-animal bond. In line with this purpose, animal-aided designs at urban, infrastructure, and building scales were analyzed within sustainability approaches, and their contribution to the sustainability approach was evaluated. As a result, it is emphasized that the sustainable animal-aided design approach provides innovative solutions for structures to be designed for animals and it also contributes to environmental, social, and economic sustainability, but in order for these designs to be successful, it is underlined that living spaces suitable for the needs of animals should be created and the negative effects of environmental impacts on animals should be considered. It is also emphasized that in addition to the principles of sustainability, factors that pay regard to the lives of animals contribute to the understanding of sustainability. It is expected that the discussion of the relationship between sustainability and animal-aided design, which is put forward through this study, will create an important discussion ground for future research and application examples.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • Assessment of Cost Influences in Rail Projects from Contractor's
           Perspectives

    • Authors: Mohamad Zahierruden Ismail; Zuhaili Mohamad Ramly, Zafira Nadia Maaz, Farah Nadiah Abdul Rahim
      Abstract: Rail transportation had been receiving more attention in the Government’s effort to enhance the Malaysian economy internationally. Nevertheless, rail projects involve various stakeholders, massive budgets and are susceptible to cost overrun. This paper aims to evaluate the cost influences concerned with rail projects in a developing nation from contractors’ perspectives. The existing studies lack the consideration of the correlation and relationship between the cost influences, which this paper emphasizes. The data collection was performed by distributing questionnaires to 200 cost managers which are quantity surveyors, project managers, and contract executives across the rail projects in Malaysia. The data analysis uses Statistical Package for Social Sciences Version 27 (SPSS V27) and Structural Equation Modelling (SEM). Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy showed appropriate internal consistency of the research instrument, whereas the Confirmatory Factor Analysis (CFA) showed acceptable Goodness-of-Fit Indices (GFI) within the constructs of the structural model. The SEM calibration resulted in 23 significant cost influences which were clustered into five groups of cost influences. Each of the five groups is associated with different parties in construction projects. A notable causative direction was observed in the relationship between the cost influences. Each cost influence can be connected to each project phase based on the PMBOK Guide. This study adds to the various cost management research along the project management of rail construction. It is able to contribute to the policymakers and consultants in strategizing their cost management plans which is crucial, especially in developing countries such as Malaysia. Emphasizing the critical particulars of cost management in rail projects, this paper also delivers its finding based on stakeholder and system aspects in relation to cost management, which can be referred to by any developing country.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
  • Assessing E-Compliance Maturity of Public Procurement Processes in Nigeria

    • Authors: Ahmed Aminu; Muhammad Yamusa, Yahaya Makarfi Ibrahim, Muhammad Abdullahi, Hassan Adaviriku Ahmadu, Bello Abdullahi, Ahmed Doko Ibrahim, Kabir Bala
      Abstract: The manual approach to public procurement is plagued with inefficiencies. To address these problems, efforts were made to digitize the processes in Nigeria. However, the e-compliance readiness of procurement processes is not known. This study attempts to assess e-compliance maturity of public procurement lifecycle in Nigeria. The study adopted a mixed research approach. A qualitative research method was used to establish criteria for evaluating the readiness of public procurement processes for digitization. Focus group interview with Six (6) automation and procurement professionals was conducted to arrive at the parameters used for the readiness assessment. Consequently, a questionnaire survey was administered on experienced public procurement professionals to evaluate the e-compliance readiness of some identified public procurement processes. Best to Worst Method (BWM) was used to evaluate e-compliance maturity level. The study shows that the processes are readily compliant for digitization.
      PubDate: Wed, 27 Dec 2023 00:00:00 +080
       
 
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