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Recycling and Development of New Building Materials or Products (Second Volume)

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

Deadline for manuscript submissions: 20 August 2024 | Viewed by 5664

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Prof. Dr. Yuri Ribakov

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Chair, Structural Engineering Division, Department of Civil Engineering, Ariel University, Ariel 40700, Israel
Interests: testing and analysis of reinforced concrete structures and elements; high-strength concrete; steel fiber reinforced concrete; two-layer bending elements; earthquake engineering
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Dear Colleagues,

Modern design techniques and construction technologies are based on effective materials and structures that allow the efficient use of natural resources and reuse of waste products. Extensive research has been carried out in order to develop effective sustainable approaches that yield a balance between the construction industry and surrounding environment. It is obvious that new structures should correspond to human development, taking into account the ecological requirements. Therefore, one of the ways for achieving environmentally friendly construction is reusing waste products. Proper approaches for reusing waste products in the construction industry should also consider suitable energy effective technologies.

Developing modern design methodologies, allowing the optimal use of natural resources and reusing waste products in the construction industry have high importance all over the world.

The purpose of this call for papers is to exchange recent scientific achievements and novel ideas related to the reuse of various wastes as raw materials in the Special Issue entitled Recycling and Development of New Building Materials or Products (Second Volume).

Researchers are invited to share their knowledge on the design of effective ecologically friendly construction materials or products that can be used in construction.

Prof. Dr. Yuri Ribakov
Guest Editor

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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. Materials 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

waste products
construction materials
design methodology
structural elements
sustainability

Published Papers (5 papers)

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Research

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20 pages, 7115 KiB

Open AccessArticle

Iron Tailings as Mineral Fillers and Their Effect on the Fatigue Performance of Asphalt Mastic

by Yaning Cui, Chundi Si, Song Li, Yanshun Jia and Bin Guo

Materials 2024, 17(12), 2927; https://doi.org/10.3390/ma17122927 - 14 Jun 2024

Viewed by 371

Abstract

Incorporating iron tailings (ITs) into asphalt represents a new method for waste-to-resource conversion. The objective of this study is to evaluate the fatigue performance of ITs as fillers in asphalt mastic and investigate the interaction and interfacial adhesion energy between asphalt and ITs. To achieve that, the particle size distributions of two ITs and limestone filler (LF) were tested through a laser particle size analyzer; the morphology and structure characteristics were obtained by scanning electronic microscopy (SEM), the mineral compositions were conducted through X-ray diffraction (XRD), and the chemical compositions were tested through X-ray Fluorescence Spectrometer (XRF). Furthermore, the fatigue properties of asphalt mastic and the interaction between asphalt binder and mineral fillers (ITs and LFs) were evaluated by Dynamic Shear Rheometer (DSR). The interfacial adhesion energy between ITs and asphalt binder were calculated through molecular dynamics simulation. In the end, the correlation between the test results and the fatigue life is established based on the gray correlation analysis, the environmental and economic benefits of iron tailings asphalt pavement are further evaluated. The results show that the particle size distribution of ITs is concentrated between 30 μm and 150 μm, and the main component is quartz. ITs have rich angularity and a higher interaction ability with asphalt. The adhesion energy of iron tailings filler to asphalt is less than that of limestone. The correlation degree of the interfacial adhesion energy and interaction between asphalt and mineral filler with asphalt mastic fatigue life is close to 0.58. Under the combined action of interaction ability and interfacial adhesion energy, the fatigue life of IT asphalt mastic meets the requirements. ITs as a partial replacement for mineral fillers in asphalt pavement have great environmental and social effectiveness. Full article

(This article belongs to the Special Issue Recycling and Development of New Building Materials or Products (Second Volume))

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13 pages, 4436 KiB

Open AccessArticle

Utilizing Industrial Sludge Ash in Brick Manufacturing and Quality Improvement

by Yu-Ming Huang, Chao-Shi Chen, Chen-Chung Chen and Jian-Wen Lai

Materials 2024, 17(11), 2568; https://doi.org/10.3390/ma17112568 - 27 May 2024

Viewed by 508

Abstract

This research demonstrates changes in the behaviors and characteristics of sintered bricks while using industrial sludge ash (ISA) and waste glass (WG) as a replacement for clay in the brick manufacturing procedure. Owing to the limited amount of available land in Taiwan, it is becoming increasingly difficult to locate suitable sites for sanitary landfills, which is a common final disposal method for ash that is produced during thermal treatment in sludge factories. To meet the urgent need for land, the final waste disposal must convert this waste into a new resource. This research investigated the feasibility of using general industrial sludge ash waste, due to its abundance and high potential as a raw material in producing bricks. The result of this study shows that the bricks made from ISA and WG under a certain mixture proportion (ISA50%/WG40%/Clay10%) had excellent industrial potentials, such as compressive strength and water absorption rate. However, owing to the wide variety of components from different sources of ISA, the mixture proportion might vary accordingly. This study also analyzed the incineration index, proportion design, and process improvement, as well as investigating the possibility of increasing the total use of sludge ash as a resource. This study shows the potentials of utilizing wastes as raw materials in industrial manufacturing procedures. Therefore, more wastes can be tested and turned into resources in the future. Full article

(This article belongs to the Special Issue Recycling and Development of New Building Materials or Products (Second Volume))

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15 pages, 2631 KiB

Open AccessArticle

Initial Characteristics of Alkali–Silica Reaction Products in Mortar Containing Low-Purity Calcined Clay

by Daria Jóźwiak-Niedźwiedzka, Roman Jaskulski, Kinga Dziedzic, Aneta Brachaczek and Dariusz M. Jarząbek

Materials 2024, 17(10), 2207; https://doi.org/10.3390/ma17102207 - 8 May 2024

Viewed by 636

Abstract

An alkali–silica reaction (ASR) is a chemical process that leads to the formation of an expansive gel, potentially causing durability issues in concrete structures. This article investigates the properties and behaviour of ASR products in mortar with the addition of low-purity calcined clay as an additional material. This study includes an evaluation of the expansion and microstructural characteristics of the mortar, as well as an analysis of the formation and behaviour of ASR products with different contents of calcined clay. Expansion tests of the mortar beam specimens were conducted according to ASTM C1567, and a detailed microscopic analysis of the reaction products was performed. Additionally, their mechanical properties were determined using nanoindentation. This study reveals that with an increasing calcined clay content, the amount of the crystalline form of the ASR gel decreases, while the nanohardness increases. The Young’s modulus of the amorphous ASR products ranged from 5 to 12 GPa, while the nanohardness ranged from 0.41 to 0.67 GPa. The obtained results contribute to a better understanding of how the incorporation of low-purity calcined clay influences the ASR in mortar, providing valuable insights into developing sustainable and durable building materials for the construction industry. Full article

(This article belongs to the Special Issue Recycling and Development of New Building Materials or Products (Second Volume))

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13 pages, 1597 KiB

Open AccessArticle

Investigation of the Cementing Efficiency of Fly Ash Activated by Microsilica in Low-Cement Concrete

by Leonid Dvorkin, Vadim Zhitkovsky, Svetlana Lapovskaya and Yuri Ribakov

Materials 2023, 16(21), 6859; https://doi.org/10.3390/ma16216859 - 25 Oct 2023

Viewed by 726

Abstract

This paper presents experimental results on the influence of concrete composition factors on the criterion characterizing the ratio between the compressive strength of activated low-cement concrete and clinker consumption. The investigation was carried out using mathematical planning of the experiments. Experimental and statistical models describing the influence of the fly ash, activating additive (microsilica), consumption of cement and aggregates, as well as the superplasticizer on the strength of low-cement concrete under normal hardening conditions and after steaming were obtained. The values of the clinker efficiency criterion and the mineral additive cementing efficiency coefficient were calculated, and models of these parameters were obtained for the investigated concrete compositions. It was shown that the activating effect of microsilica yields an increase in ash cementing efficiency and clinker efficiency criterion in concrete. Using the obtained models, an example for calculating the ash cementing efficiency coefficient is given. Full article

(This article belongs to the Special Issue Recycling and Development of New Building Materials or Products (Second Volume))

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Review

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23 pages, 2951 KiB

Open AccessReview

Application of Steel Slag as an Aggregate in Concrete Production: A Review

by Zhengyi Ren and Dongsheng Li

Materials 2023, 16(17), 5841; https://doi.org/10.3390/ma16175841 - 25 Aug 2023

Cited by 6 | Viewed by 2966

Abstract

Steel slag is a solid waste produced in crude steel smelting, and a typical management option is stockpiling in slag disposal yards. Over the years, the massive production of steel slags and the continuous use of residue yards have led to vast occupation of land resources and caused severe environmental concerns. Steel slag particles can potentially be used as aggregates in concrete production. However, the volume stability of steel slag is poor, and the direct use of untreated steel slag aggregate (SSA) may cause cracking and spalling of concrete. The present research summarizes, analyzes, and compares the chemical, physical, and mechanical properties of steel slags. The mechanism and treatment methods of volume expansion are introduced, and the advantages, disadvantages, and applicable targets of these methods are discussed. Then, the latest research progress of steel slag aggregate concrete (SSAC) is reviewed. Using SSA leads to an increase in the density of concrete and a decrease in workability, but the mechanical properties and durability of SSAC are superior to natural aggregate concrete (NAC). Finally, future research in this field is proposed to motivate further studies and guide decision-making. Full article

(This article belongs to the Special Issue Recycling and Development of New Building Materials or Products (Second Volume))

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