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Topic Review
Sustainable Concrete Quality Management
The development of a concrete mixture design process for high-quality concrete production with sustainable values is a complex process because of the multiple required properties at the green/hardened state of concrete and the interdependency of concrete mixture parameters. A new multi-criteria decision making (MCDM) technique based on Technique of Order Preference Similarity to the Ideal Solution (TOPSIS) methodology is applied to a fuzzy setting for the selection of concrete mix factors and concrete mixture design methods with the aim towards sustainable concrete quality management. Three objective properties for sustainable quality concrete are adopted as criteria in the proposed MCDM model. The seven most dominant concrete mixture parameters with consideration to sustainable concrete quality issues, i.e., environmental (density, durability) and socioeconomic criteria (cost, optimum mixture ingredients ratios), are proposed as sub-criteria. Three mixture design techniques that have potentiality to include sustainable aspects in their design procedure, two advanced and one conventional concrete mixture design method, are taken as alternatives in the MCDM model. The proposed selection support framework may be utilized in updating concrete design methods for sustainability and in deciding the most dominant concrete mix factors that can provide sustainable quality management in concrete production as well as in concrete construction. The concrete mix factors found to be most influential to produce sustainable concrete quality include the water/cement ratio and density. The outcomes of the proposed MCDM model of fuzzy TOPSIS are consistent with the published literature and theory. TheDOE method was found to be more suitable in sustainable concrete quality management considering its applicable objective quality properties and concrete mix factors.
  • 617
  • 26 Oct 2020
Topic Review
Sustainable Buildings Using Green Pyramid Rating System
Green construction management is an approach that aims to promote sustainable solutions in building design and construction. This research proposes a collaborative framework that utilizes automated and semi-automated simulations, third-party certification assessment through the Green Pyramid Rating System (GPRS), and Building Information Modeling (BIM) analysis tools to facilitate decision-making and improve sustainability aspects throughout the project lifecycle. The framework provides a structured approach for implementing green construction management practices, incorporating the GPRS to ensure sustainable solutions are advocated, interrogated, and refined.
  • 452
  • 05 Jun 2023
Topic Review
Sustainable Biorefineries Based on Catalytic Biomass Conversion
Biorefineries have been profiled as potential alternatives to increase biomass use at the industrial level. However, more efforts are required to improve the sustainability of these facilities through process improvement and product portfolio increase. 
  • 194
  • 05 Jul 2023
Topic Review
Sustainable Assessment of Concrete Repairs
In order to improve the sustainability of concrete structures and repairs over their life cycle, life cycle assessment (LCA) and life cycle cost analysis (LCCA) should be applied. Life cycle assessment (LCA) is a holistic method to determine the environmental impact of a product or process with a systematic set of procedures for compiling and examining the inputs and outputs of materials and energy during the entire life cycle. A life cycle is the interlinked stages of a product or service system, from the extraction of natural resources to final disposal (cradle-to-grave). LCCA is a systematic or analytical method to determine the economic performance of a product or process during the entire life cycle, when the initial cost is taken into account, along with future cash flows incurred throughout the lifespan over a predefined period of analysis. The future cash flows are often taken into account by discounting, which compares costs and revenues at different stages in time and emphasizes the importance of present cash flows rather than future ones due to inflation and the earning power of money.
  • 709
  • 21 Oct 2022
Topic Review Peer Reviewed
Sustainable Architecture–What’s Next?
Sustainable architecture encompasses more than energy efficiency, zero carbon dioxide (CO2) emission or renewable energy use in the built environment. It also needs to alleviate overall impacts on the natural environment or ecosystem that surrounds it. It may be argued that primitive vernacular architecture (architecture without architects) built and operated using local techniques and resources alone can be considered to be sustainable. Yet later, after the 1992 Rio Conference and its declarations, more specific definitions emerged putting weight on the rational use of land area, materials and energy, preferably local, as well as area efficient planning, economy and recyclability. The advantage of this is to reduce the ecological footprint of buildings and the climate gas emissions from a sector that represents 35–50 percent of global climate gas emissions, depending on how one counts. This paper clarifies concepts, questions cemented truths and points a way forward by asking; what’s next?
  • 1.2K
  • 13 Apr 2022
Topic Review
Sustainable Approaches to Polymer-Modified Asphalt Binder
Due to periodic variations in temperature and heavy traffic loading, hot-mix asphalt (HMA) pavements undergo considerable distress during their service life. The rheological properties of asphalt binder, when subjected to complex physical and chemical processes, make it stiff and sometimes brittle, which ultimately plays a huge part in pavement deterioration. This phenomenon is commonly known as asphalt aging. Incorporating polymer modifiers with virgin asphalt can work as an effective means to change the binder properties and alleviate the issues related to asphalt aging. Different types of polymers, including elastomers, plastomers, and reactive polymers, can mixed in different combinations with the virgin asphalt to create polymer-modified binders (PMBs). In general, polymers are typically added to the virgin asphalt binder in PMB manufacturing at weight percentages ranging from 3% to 7%.
  • 290
  • 28 Aug 2023
Topic Review
Sustainable Agriculture through Multidisciplinary Seed
Nanopriming can be a potential future target for sustainable agriculture with the current global supply versus demand trend. A fortification program consists of adding vitamins and minerals to processed foods as a public health measure to improve the nutritional quality of the food supply. The goal is to enhance the nutrient intake by the population.
  • 992
  • 26 Sep 2021
Topic Review
Sustainability Transitions in the Construction Sector
Sustainability transition constitutes an important topic in innovation studies that have been providing insights into contemporary sustainability issues. These insights can help us to rethink how the construction industry can become more sustainable.
  • 283
  • 04 Sep 2023
Topic Review
Sustainability Risk Assessment in Pipeline Infrastructure Systems
The secure and dependable functioning of pipeline infrastructure systems is pivotal for transporting vital energy resources during this transition era towards a more sustainable energy future. The importance of pipeline risk management in ensuring the secure and dependable transportation of crucial resources has attracted considerable attention. 
  • 211
  • 23 Oct 2023
Topic Review
Sustainability Requirements of Residential Buildings
The COVID-19 pandemic is bringing about changes, and alongside these, we can alter the way we design our living spaces. The need for a healthy and comfortable living space is essential to mental, physical well-being, and personal comfort. This entry shows how is COVID-19 Experience Transforming Sustainability Requirements of Residential Buildings.
  • 1.4K
  • 27 Jan 2021
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