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Buildings
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Developments in Sustainable Buildings
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Developments in Sustainable Buildings

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 3625

Special Issue Editors

Dr. Laura Tupėnaitė

E-Mail Website
Guest Editor
Department of Construction Management and Real Estate, Vilnius Gediminas Technical University, Vilnius, Lithuania
Interests: built environment;sustainable construction; environmentally friendly construction materials; timber construction; energy-efficient buildings; circular economy in construction; multiple criteria assessment; building life cycle analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Loreta Kanapeckienė

E-Mail Website
Guest Editor
Department of Construction Management and Real Estate, Vilnius Gediminas Technical University, Vilnius, Lithuania
Interests: sustainable urban development; timber construction; circular economy in construction; multiple criteria assessment; building life cycle analysis

Special Issue Information

Dear Colleagues,

The built environment, by its nature, is one of the main users of natural resources. The construction industry contributes 36 percent of energy usage and 40 percent of CO2 emissions worldwide. It is estimated that the construction industry creates one-third of the world’s waste. With the growing concerns regarding finite natural resources and climate change, there is a need to rethink construction practices and focus on sustainable construction. The development of sustainable buildings means using environmentally friendly, renewable, recyclable materials, reducing energy consumption, carbon footprint, green house gas emissions, waste production and application of circular economy principles. Moreover, sustainable construction principles should be followed in all stages of the building life cycle, taking into account the design, construction, operation, maintenance, demolition and waste management.

Potential topics for this Special Issue include, but are not limited to, research on recent developments in sustainable buildings, green buildings, high-energy-efficiency buildings, use of environmentally friendly materials, sustainable design, construction, maintenance, renovation strategies, life cycle assessment of the buildings and insurance of circular economy in the building sector.

Dr. Laura Tupėnaitė
Dr. Loreta Kanapeckienė
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • state of the art in sustainable buildings
  • green buildings
  • net-zero energy buildings
  • eco-friendly construction materials
  • sustainable design
  • sustainable construction
  • maintenance strategies
  • renovation for sustainability
  • life cycle assessment
  • circular economy

Published Papers (2 papers)

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Research

21 pages, 7344 KiB  
Article
The Impact of High-Alkali Biofuel Fly Ash on the Sustainability Parameters of Concrete
by Džigita Nagrockienė, Ina Pundienė, Loreta Kanapeckienė and Ela Jarmolajeva
Buildings 2023, 13(12), 3015; https://doi.org/10.3390/buildings13123015 - 02 Dec 2023
Viewed by 865
Abstract
The results of this research show that high-alkali biofuel fly ash (BFA) had a significant influence on the mechanical characteristics, microstructure, porosity, freezing–thawing cycle resistance, and ASR resistance of cementitious materials. Different amounts of BFA (varying from 0 to 30%) were used as [...] Read more.
The results of this research show that high-alkali biofuel fly ash (BFA) had a significant influence on the mechanical characteristics, microstructure, porosity, freezing–thawing cycle resistance, and ASR resistance of cementitious materials. Different amounts of BFA (varying from 0 to 30%) were used as a substitute for cement in concrete mixes. The impact of substituting cement with BFA on the cement hydration products was analysed. Slump behaviour, mechanical properties, water absorption, porosity, freeze–thaw cycles, and ASR resistance were studied. The analysis of the mechanical and physical characteristics of the developed sustainable concrete revealed that a better structure, higher compressive and flexural strength and density values, and better freeze–thaw and ASR resistance as well as lower water absorption values were achieved when as much as fifteen percent of cement was substituted with high-alkali BFA. The calculations indicate that the substitution of cement with different quantities of high-alkalinity BFA (from 0% to 30% BFA) increased the SiO2/CaO ratio from 0.32 to 0.51 and the Na2O + K2O/CaO ratio from 0.02 to 0.067 in the composition. An evident higher quantity of the hydration products, reflected in the reduction of porosity by up to 27%, the improvement in compressive strength by up to 19.3%, and the calculated freeze–thaw resistance value of up to 51.50%, was observed when the Na2O + K2O/CaO ratio did not exceed 0.044. The ASR resistance of the concrete improved with the increase in the Na2O + K2O/CaO ratio. This study shows that BFA with high alkalinity is beneficial in the development of sustainable building materials. Full article
(This article belongs to the Special Issue Developments in Sustainable Buildings)
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21 pages, 4916 KiB  
Article
Regression Models for Predicting the Global Warming Potential of Thermal Insulation Materials
by Ibrahim Tajuddeen, Seyed Masoud Sajjadian and Mina Jafari
Buildings 2023, 13(1), 171; https://doi.org/10.3390/buildings13010171 - 09 Jan 2023
Cited by 5 | Viewed by 2090
Abstract
The impacts and benefits of thermal insulations on saving operational energy have been widely investigated and well-documented. Recently, many studies have shifted their focus to comparing the environmental impacts and CO2 emission-related policies of these materials, which are mostly the Embodied Energy [...] Read more.
The impacts and benefits of thermal insulations on saving operational energy have been widely investigated and well-documented. Recently, many studies have shifted their focus to comparing the environmental impacts and CO2 emission-related policies of these materials, which are mostly the Embodied Energy (EE) and Global Warming Potential (GWP). In this paper, machine learning techniques were used to analyse the untapped aspect of these environmental impacts. A collection of over 120 datasets from reliable open-source databases including Okobaudat and Ecoinvent, as well as from the scientific literature containing data from the Environmental Product Declarations (EPD), was compiled and analysed. Comparisons of Multiple Linear Regression (MLR), Support Vector Regression (SVR), Least Absolute Shrinkage and Selection Operator (LASSO) regression, and Extreme Gradient Boosting (XGBoost) regression methods were completed for the prediction task. The experimental results revealed that MLR, SVR, and LASSO methods outperformed the XGBoost method according to both the K-Fold and Monte-Carlo cross-validation techniques. MLR, SVR, and LASSO achieved 0.85/0.73, 0.82/0.72, and 0.85/0.71 scores according to the R2 measure for the Monte-Carlo/K-Fold cross-validations, respectively, and the XGBoost overfitted the training set, showing it to be less reliable for this task. Overall, the results of this task will contribute to the selection of effective yet low-energy-intensive thermal insulation, thus mitigating environmental impacts. Full article
(This article belongs to the Special Issue Developments in Sustainable Buildings)
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