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Applied Sciences
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Emerging Technologies of Sustainable Building Materials
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Emerging Technologies of Sustainable Building Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 918

Special Issue Editors

Dr. Yi Han

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Guest Editor
Department of Integrated Energy and Infra System, Kangwon National University, Chuncheon-si 24341, Republic of Korea
Interests: cement; sustainability; granulated blast-furnace slag; building materials; concrete
Prof. Dr. Xiaoyong Wang

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Guest Editor
Department of Integrated Energy and Infra System and Architectural Engineering, Kangwon National University, Chuncheon-Si 24341, Republic of Korea
Interests: sustainable concrete; low carbon dioxide concrete; concrete hydration model; optimal hybrid design model; reinforced concrete; composite structures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The sustainability of concrete materials has become a major concern for the construction industry. Scientists are exploring the reuse of waste and industrial by-products, such as waste concrete, fly ash, and metallurgical slag, in concrete manufacturing. This can help to reduce resource consumption and ease the pressure on waste disposal. Meanwhile, introducing carbon capture technology helps us to capture and store carbon dioxide during the concrete production process, reducing carbon emissions.

This Special Issue aims to bring together a wide range of knowledge and insights into how waste utilization and carbon capture technologies can be effective measures for the sustainable development of concrete materials. We are committed to exploring innovative ways to convert waste into valuable resources and to apply carbon capture technologies to reduce environmental burdens. These efforts will provide sustainable and viable solutions for the future development of concrete materials.

In this Special Issue, the submission of original research articles and reviews is welcome. Research areas may include (but are not limited to) the following: 

  • Cement concrete materials;
  • Alkali-activated materials;
  • Supplementary cementitious materials;
  • Waste reusing;
  • Low-carbon concrete;
  • Carbon capture concrete;
  • Durability and sustainability.

We look forward to receiving your contributions.

Dr. Yi Han
Prof. Dr. Xiaoyong Wang
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. Applied Sciences 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 2400 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

  • cement concrete materials
  • alkali-activated materials
  • supplementary cementitious materials
  • waste reusing
  • low-carbon concrete
  • carbon capture concrete
  • durability and sustainability

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Published Papers (1 paper)

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Research

25 pages, 19246 KiB  
Article
Activity Enhancement Study of Xinjiang Silica-Alumina Volcanic Rock Powder through Different Activation Processes
by Shuhong Yang, Yingjie Wu, Huaiyi Wang, Guiquan Yang, Xiangyi Ding and Zhaoxuan Xia
Appl. Sci. 2024, 14(17), 7935; https://doi.org/10.3390/app14177935 - 5 Sep 2024
Viewed by 582
Abstract
In response to the dilemma of the scarcity of mineral additions and the high cost of long-distance transport in Hotan, Xinjiang, China, this paper presented an activation process study on the feasibility of volcanic rock powders unique to this region as mineral additions. [...] Read more.
In response to the dilemma of the scarcity of mineral additions and the high cost of long-distance transport in Hotan, Xinjiang, China, this paper presented an activation process study on the feasibility of volcanic rock powders unique to this region as mineral additions. This study explored the activity-enhancing effects of volcanic rock powder via three methods: physical activation process, chemical activation process, and thermal activation process. The results showed that physical grinding improved the particle size distribution and enhanced the ‘microaggregate’ effect. For every 80 m2/kg increase in specific surface area, the particle size decreased by approximately 0.7 μm, and the 28-day activity index increased by up to 4%. In the chemical activation process, the optimal combination scheme of 6% CaO, 2% CaCO3, and 2% CaSO4·2H2O increased the 28-day strength of volcanic rock powder mortar specimens by approximately 20%, achieving an activity index of 82%. Thermal activation studies showed that the low-temperature heat treatment interval of 300 °C to 700 °C increased the 28 d activity index of volcanic rock powders by 12 to 22 percent. However, when the temperature reached the high-temperature interval of 800 °C to 1400 °C, it, rather, inhibited the activity enhancement. A combination of the three activation methods (physical milling with a specific surface area of 560 m2/kg after heat treatment at 600 °C, chemical activation with 6% CaO, 2% CaCO3, and 2% CaSO4·2H2O) resulted in an activity of up to 86% for the volcanic rock powder. The activity enhancement by different activation methods provided a theoretical basis and practical reference for the application of volcanic rock powder as a mineral additions in Hotan, Xinjiang. Full article
(This article belongs to the Special Issue Emerging Technologies of Sustainable Building Materials)
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