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Sustainable Concrete: Research on Waste Utilization and Performance Optimization
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Sustainable Concrete: Research on Waste Utilization and Performance Optimization

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 August 2025 | Viewed by 756

Special Issue Editors

Prof. Dr. Dzigita Nagrockiene

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Guest Editor
Department of Building Materials and Fire Safety, Faculty of Civil Engineering, Vilnius Gediminas Technical University, Saulėtekio Avenue 11, LT-10223 Vilnius, Lithuania
Interests: waste; concrete; sustainability; mortar; concrete durability; concretes with superplasticizers; frost resistance of concrete; concrete with additives; building Materials
Dr. Ramunė Žurauskienė

E-Mail Website
Guest Editor
Department of Building Materials and Fire Safety, Faculty of Civil Engineering, Vilnius Gediminas Technical University, Saulėtekio Avenue 11, LT-10223 Vilnius, Lithuania
Interests: waste; concrete; ceramic; sustainability; mortar; plaster; landscaping; water treatment

Special Issue Information

Dear Colleagues,

Research in the last decade has focused on sustainability and the creation of a circular economy. The construction industry uses natural resources to produce construction products, and one important area of ​​research is the reduction in the use of natural resources by employing waste materials in construction products. Concrete plays a key role in the construction industry and contributes to the increase in carbon dioxide emissions, and thus we should develop materials that will reduce these emissions and save natural resources. The Special Issue “Sustainable Concrete: Research on Waste Utilization and Performance Optimization” focuses on research into sustainable concrete. This product is manufactured using redundant waste materials that would otherwise end up in landfills. This concrete must not only be sustainable but must also meet all the basic performance properties and be mechanically durable. Sustainable and environmentally efficient concrete, made from sustainable binders, also falls within the scope of this Special Issue, as does the study of its properties and their improvement.

Prof. Dr. Dzigita Nagrockiene
Dr. Ramunė Žurauskienė
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 semimonthly 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

  • sustainable concrete
  • organic and inorganic waste
  • waste utilization
  • admixture
  • mechanical properties
  • durability
  • additive
  • sustainability
  • carbon dioxide emission reduction

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Published Papers (2 papers)

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Research

20 pages, 4793 KiB  
Article
Effect of Pozzolanic Additive on Properties and Surface Finish Assessment of Concrete
by Giedrius Girskas, Dalius Kriptavičius, Olga Kizinievič and Jurgita Malaiškienė
Buildings 2025, 15(10), 1617; https://doi.org/10.3390/buildings15101617 - 11 May 2025
Viewed by 282
Abstract
This research focuses on the impact of a pozzolanic additive (zeolite) on the durability properties of concrete and the evaluation of the surface finish of the final product (concrete). Durability is one of the key characteristics of concrete that ensures the performance of [...] Read more.
This research focuses on the impact of a pozzolanic additive (zeolite) on the durability properties of concrete and the evaluation of the surface finish of the final product (concrete). Durability is one of the key characteristics of concrete that ensures the performance of concrete structures, landscaping elements, and products over their lifetime and beyond. To reduce CO2 emissions, replacing part of traditional cement with pozzolanic additives is necessary. We tested concrete mixes in which up to 20% of cement was replaced with a pozzolanic additive. Concrete flow and entrained air content were measured. The following properties of hardened modified concrete were determined: density, ultrasonic pulse velocity, water absorption, freeze–thaw resistance, and mechanical properties after 7 and 28 days of curing. The compressive strength values were normalised and expressed in MPa/g to obtain a deeper insight into the effect of a pozzolanic additive on the mechanical properties of concrete. The test results showed that the pozzolanic additive selected for testing reduced the flowability, density, and ultrasonic pulse velocity; increased entrained air content; and reduced the porosity of concrete. The compressive strength results at 28 days (normalised and expressed in MPa/g) showed that all specimens modified with up to 20% zeolite had a higher compressive strength than that of the reference specimen (from 0.0138 to 0.0164). Freeze–thaw resistance results showed that 15% was the optimum content of zeolite additive that could replace cement in the mix to obtain concrete with appropriate durability properties. Concrete surface finish evaluation tests showed that 15% of the pozzolanic additive is recommended to obtain a good-quality surface finish of exposed concrete. Full article
(This article belongs to the Special Issue Sustainable Concrete: Research on Waste Utilization and Performance Optimization)
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13 pages, 3310 KiB  
Article
The Potential of Wood Ash to Be Used as a Supplementary Cementitious Material in Cement Mortars
by Oskars Lescinskis, Alise Sapata, Girts Bumanis, Maris Sinka, Xiangming Zhou and Diana Bajare
Buildings 2025, 15(9), 1507; https://doi.org/10.3390/buildings15091507 - 30 Apr 2025
Viewed by 287
Abstract
This study explores the application of wood ash (WA) as a partial replacement for PC in mortar. Three pre-treatment methods were applied to WA to enhance its reactivity, and it was then incorporated into mortar at two different substitution levels of 10 and [...] Read more.
This study explores the application of wood ash (WA) as a partial replacement for PC in mortar. Three pre-treatment methods were applied to WA to enhance its reactivity, and it was then incorporated into mortar at two different substitution levels of 10 and 30%. Tests on compressive and flexural strength were conducted on the hardened mortar samples. All hardened mortar samples containing WA showed a decrease in mechanical properties compared to the reference sample without WA. The highest compressive and flexural strength of the samples with WA were observed for those containing 10% of sieved and slaked WA. The compressive and flexural strength of these samples after 28 days were 56 and 9 MPa, respectively, whereas those of the reference samples were 62 and 10 MPa, respectively. Based on the results, the best-performing samples on the compressive test underwent additional testing for freeze–thaw resistance to assess their durability. The mass loss of the reference sample and that with 10% of sieved and slaked WA after 56 freeze–thaw cycles was 11,800 and 13,800 g/m2, respectively. The findings revealed that increasing the proportion of WA typically led to a decline in the mechanical properties of mortar compared to conventional mixtures. However, with appropriate pre-treatment techniques, the quality and performance of mortar containing WA were significantly improved, demonstrating its potential as a sustainable alternative in reducing the carbon footprint of PC production. Full article
(This article belongs to the Special Issue Sustainable Concrete: Research on Waste Utilization and Performance Optimization)
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