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The Durability Characteristics of Advanced Building Materials
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The Durability Characteristics of Advanced Building Materials

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

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 4329

Special Issue Editor

Dr. Ana Guerrero

E-Mail Website
Guest Editor
Department of Materials, Instituto de Ciencias de la Construcción Eduardo Torroja-CSIC, 28033 Madrid, Spain
Interests: cement-based materials; eco-materials; durability; nanomaterials; self-healing; environment; leaching
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The United Nations Human Settlements Programme, UN-Habitat, was mandated by the UN General Assembly to improve the lives of at least 100 million slum dwellers by the year 2020. With the world’s social, political, cultural and environmental trends being set by the unprecedented growth of towns and cities, sustainable urbanization is one of the most pressing challenges facing the global community in the 21st century. Improving the safety and sustainability of cities entails guaranteeing access to safe and affordable housing and the improvement of marginal settlements.

Circular activities such as materials reuse or recycling, reduced deployment of conventional raw materials through repair and reprocessing of goods and their upcycling with an aim to extend their service life create added value and are key to making cities sustainable. Against this backdrop, societal use of composite materials with improved properties and greater durability has increased considerably.

In this context, the development of advanced building materials with improved mechanical behavior that are more sustainable and have a durability that extends with time is a challenge to which we need to respond before the end of 2030.

Dr. Ana Guerrero
Guest Editor

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. 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

  • self-healing materials
  • smart eco-efficient cement-based materials
  • water permeability
  • leaching tests
  • transport mechanisms

Published Papers (2 papers)

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Research

14 pages, 2896 KiB  
Article
Hybrid Lime–Pozzolan Geopolymer Systems: Microstructural, Mechanical and Durability Studies
by Ariel Rey Villca, Lourdes Soriano, María Victoria Borrachero, Jordi Payá, José María Monzó and Mauro Mitsuuchi Tashima
Materials 2022, 15(8), 2736; https://doi.org/10.3390/ma15082736 - 08 Apr 2022
Cited by 2 | Viewed by 1369
Abstract
This work studies the possibility of using geopolymer materials to enhance the mechanical and durability properties of hydrated lime–pozzolan mixtures, which gave rise to the so-called “hybrid systems”. Two different waste types were used as pozzolan in the lime–pozzolan system: rice husk ash [...] Read more.
This work studies the possibility of using geopolymer materials to enhance the mechanical and durability properties of hydrated lime–pozzolan mixtures, which gave rise to the so-called “hybrid systems”. Two different waste types were used as pozzolan in the lime–pozzolan system: rice husk ash (RHA) and spent fluid catalytic cracking (FCC). The geopolymer fabricated with FCC was activated with commercial reagents (NaOH and Na2SiO3), and also with alternative sources of silica to obtain a lower carbon footprint in these mixtures. The alternative silica sources were RHA and residual diatomaceous earth (RDE) from the beer industry. The geopolymer mixture substituted the lime–pozzolan mixture for 30% replacement in weight. The hybrid systems showed better mechanical strengths for the short and medium curing ages in relation to the lime–pozzolan mixtures. Thermogravimetric analyses were performed to characterise the types of products formed in these mixtures. In the durability studies, hybrid systems better performed in freeze–thaw cycles and obtained lower capillarity water absorption values. Full article
(This article belongs to the Special Issue The Durability Characteristics of Advanced Building Materials)
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19 pages, 4271 KiB  
Article
Reutilisation of Water Contaminated by Mining Waste for the Encapsulation of Potentially Toxic Elements
by Jorge Suárez-Macías, Juan María Terrones-Saeta, Antonio Bernardo-Sánchez, Almudena Ortiz-Marqués, Ana Maria Castañón and Francisco Antonio Corpas-Iglesias
Materials 2022, 15(3), 1076; https://doi.org/10.3390/ma15031076 - 29 Jan 2022
Cited by 3 | Viewed by 2146
Abstract
Mining activities are essential for a population’s development; however, they also produce negative effects such as the production of waste, an impact on flora and water pollution. On the other hand, construction is one of the sectors which is most demanding of raw [...] Read more.
Mining activities are essential for a population’s development; however, they also produce negative effects such as the production of waste, an impact on flora and water pollution. On the other hand, construction is one of the sectors which is most demanding of raw materials, with one of the main such materials being water. For this reason, this research evaluates the feasibility of incorporating water contaminated by mining waste into ceramic materials for bricks. In this way, the use of water is reduced and, on the other hand, the contaminating elements of the mining water are encapsulated in the ceramic matrix. To achieve this, the clay used and the contaminated water were first analysed, then different families of samples were conformed with different percentages of contaminated water. These samples were tested to determine their physical and mechanical properties. At the same time, leachate tests were carried out to determine that the ceramic material created did not cause environmental problems. The test results showed that the physical and mechanical properties of the ceramics were not influenced by the addition of contaminated water. On the other hand, the leachate tests showed that encapsulation of most of the potentially toxic elements occurred. However, the use of contaminated water as mixing water for ceramics could only be performed up to 60%, as higher percentages would leach impermissible arsenic concentrations. Accordingly, a new way of reusing water contaminated by mining activities is developed in this study, taking advantage of resources, avoiding environmental pollution and creating economic and environmentally friendly end products. Full article
(This article belongs to the Special Issue The Durability Characteristics of Advanced Building Materials)
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