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Transforming Industrial Waste into Sustainable Construction Materials (2nd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: 20 June 2025 | Viewed by 203

Special Issue Editor


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Guest Editor
Construction Engineering, University of Córdoba, Ed. Leonardo Da Vinci, Campus of Rabanales, 14071 Córdoba, Spain
Interests: concrete; masonry mortar; circular economy; environmental engineering; construction and demolition waste
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Special Issue Information

Dear Colleagues,

Currently, waste generation is intended to promote the circular economy in all activities. Construction is one of the activities that generates the most waste and where different types of waste are most likely to be used. There are numerous research works, where new technologies and processes capable of increasing the use of different industrial waste in construction are being discussed and carried out. Concrete and mortar are materials that consume a large amount of natural resources, and  they are therefore materials with a high emphasis on the application of sustainable development.

The use of new by-products in construction is still necessary; new techniques for mixing and curing concrete and mortar allow for a more efficient use of industrial waste, along with how to use complementary and alternative cementitious materials to Portland cement, as well as the use of alternative materials to construction fillers and aggregates in general. There is still a wide range of advances in different aspects that will allow for an increase in the options for obtaining sustainable construction materials.

The purpose of this Special Issue in Materials focuses on articles regarding the new materials and innovative technologies for the recycling of industrial waste in construction and will thus contribute to the achievement of the European green policies within the framework of the Circular Economy Action Plan, a future towards a competitive and climate-neutral economy where the environment is preserved. Original research or review articles with a clear application focus in these areas are requested.

Dr. Enrique Fernandez Ledesma
Guest Editor

Manuscript Submission Information

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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 composites
  • recycled building materials
  • geopolymer concrete
  • circular economy
  • sustainable construction
  • recycled aggregates
  • revalorization

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Published Papers (1 paper)

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Research

14 pages, 2978 KiB  
Article
Study of Properties of Composite Cementitious Materials with Sulfoaluminate Cement and Solid Waste Based on Compaction Forming Process
by Zhiyao Ma, Xujiang Wang, Mushen Yu, Shouyan Chen, Jiwen Liu, Jingwei Li, Jianyong Wang, Hao Sun, Yanpeng Mao, Zhijuan Hu and Wenlong Wang
Materials 2025, 18(9), 2076; https://doi.org/10.3390/ma18092076 - 1 May 2025
Abstract
The traditional cement compaction process boasts notable advantages such as high strength, durability, and aesthetic appeal. However, compaction forming technology for cement products results in high carbon emissions. Consequently, it is imperative to develop low-carbon strategies for these products. This study investigates the [...] Read more.
The traditional cement compaction process boasts notable advantages such as high strength, durability, and aesthetic appeal. However, compaction forming technology for cement products results in high carbon emissions. Consequently, it is imperative to develop low-carbon strategies for these products. This study investigates the modification of solid waste-based low-carbon sulfoaluminate cementitious material (SSCM) using mineral powder (MP) and steel slag micro powder (SSMP) under compaction forming technology. The results indicate that higher compaction pressure leads to higher early-stage strength, while the later-stage strength is primarily influenced by the degree of hydration. At a compaction pressure of 40 MPa, the one-day compressive strength of the material exceeded 70 MPa, representing a 48.31% increase compared to the control group. Under compaction forming, the hydration reaction rate decreased, but the compaction process significantly reduced porosity. Moreover, higher pressure correlated with a reduction in the proportion of harmful pores. Incorporating 25% MP and 20% SSMP increased the compressive strength by 10.66% to 113.5 MPa. According to orthogonal experimental results, the optimal molding conditions entail a 20% MP content, a 20% SSMP content, and a molding pressure of 40 MPa. The research findings can serve as a theoretical foundation for the widespread application of SSCM and compaction forming technology in practical engineering. Full article
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