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Buildings
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Low-Carbon Construction Materials and Advanced Manufacturing Technologies
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Low-Carbon Construction Materials and Advanced Manufacturing Technologies

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 November 2024 | Viewed by 383

Special Issue Editors

Dr. Lingyu Xu

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Guest Editor
Institute of Advanced Engineering Structures, College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Interests: geopolymer; artificial aggregate; fibre-reinforced concrete; engineered cementitious composites; engineered geopolymer composites; ultra-high-performance concrete
Special Issues, Collections and Topics in MDPI journals
Dr. Lan-Ping Qian

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Guest Editor
Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China
Interests: alkali-activated materials; artificial aggregate; geopolymer aggregate; waste recycling; low-carbon concrete
Dr. Xing Li

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Guest Editor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China
Interests: concrete durability; computational mechanics; fracture mechanics; waste recycling; low-carbon concrete; structural health monitoring; dam safety evaluation
Dr. Yu-Zhu Guo

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Guest Editor
School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Interests: fiber-reinforced concrete; engineered cementitious composites; non-destructive monitoring of civil engineering materials
Dr. Dandan Shi

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Guest Editor
College of Civil and Transportation Engineering, Hohai University, Nanjing 210024, China
Interests: fiber-reinforced concrete; waste recycling; low-carbon concrete; dynamic mechanical responses of concrete; non-destructive testing and evaluation

Special Issue Information

Dear Colleagues,

The carbon dioxide emission from the whole life cycle of cement-based construction materials has greatly contributed to the greenhouse effect, global climate change, and ecological disruption. Although many efforts have been focused on reducing the traditional Portland cement and natural aggregate consumption in recent years, fundamental research is still lacking. Therefore, more in-depth investigations are still required to develop greener cement, produce more sustainable construction materials, and upgrade manufacturing technologies, which are supposed to lay solid foundations for modern and green urbanization.

This Special Issue presents recent advances and achievements in low-carbon construction materials and advanced production technologies for sustainable and modern construction. We welcome high-quality original research papers and state-of-the-art reviews dealing with, but not limited to, the following topics:

  • Geopolymer (Alkali-Activated) Concrete and Composites;
  • Cement-Based Concrete and Composites with High Greenness;
  • Sustainable Artificial Aggregates;
  • Fiber-Reinforced Cementitious Composites;
  • 3D Printed Concrete Technologies;
  • Advanced Concrete Manufacturing Technologies;
  • Concrete Mix Design Based on Artificial Intelligence;
  • Carbonation and Carbon Neutrality Technologies;
  • Recycling of Industrial/Agricultural/Urban Solid Waste in Concrete Materials;
  • Numerical Simulation of Low-Carbon Concrete Performances.

Your contributions are welcome!

Dr. Lingyu Xu
Dr. Lan-Ping Qian
Dr. Xing Li
Dr. Yu-Zhu Guo
Dr. Dandan Shi
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 monthly 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

  • low-carbon construction materials
  • sustainable concrete
  • geopolymer materials
  • artificial aggregate
  • fiber-reinforced concrete
  • 3D Printing
  • numerical simulation

Published Papers (1 paper)

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Research

16 pages, 5521 KiB  
Article
Replacing Fly Ash or Silica Fume with Tuff Powder for Concrete Engineering in Plateau Areas: Hydration Mechanism and Feasibility Study
by Tianqi Li, Bixiong Li, Lianghui Li, Zhiwen Wang, Zhibo Zhang and Qingshun Nong
Buildings 2024, 14(5), 1232; https://doi.org/10.3390/buildings14051232 - 26 Apr 2024
Viewed by 259
Abstract
Abundant tuff mineral resources offer a promising solution to the shortage of fly ash (FA) and silica fume (SF) resources as emerging supplementary cementitious materials. However, a lack of clarity on its hydration mechanism has hindered its practical engineering application. In this study, [...] Read more.
Abundant tuff mineral resources offer a promising solution to the shortage of fly ash (FA) and silica fume (SF) resources as emerging supplementary cementitious materials. However, a lack of clarity on its hydration mechanism has hindered its practical engineering application. In this study, high SiO2-content tuff powder (TP) was examined to assess the mechanical and workability performance of mortar specimens with varying particle sizes of the TP as complete replacements for FA or SF. Microscopic analysis techniques, including X-ray diffraction (XRD), differential thermal analysis (DTG), and energy-dispersive X-ray spectroscopy (EDS), were employed to elucidate the hydration mechanism of the TP and its feasibility as a substitute for SF or FA. Results indicated that TP primarily functions as nuclei and filler, promoting cement hydration, with smaller particle sizes amplifying the hydration ability and increasing Ca(OH)2 and C-S-H gel content. The specimens with TP (median particle size 7.58 μm) demonstrated 9.2% and 29.9% higher flexural and compressive strengths at 28 days, respectively, compared to the FA specimens of equal mass. However, fluidity decreased by 23.1% accordingly. Due to TP’s smaller specific surface area compared to SF, the TP specimens exhibited higher fluidity but with decreased strength relative to the SF specimens. Overall, TP shows potential as a replacement for FA with additional measures to ensure workability. Full article
(This article belongs to the Special Issue Low-Carbon Construction Materials and Advanced Manufacturing Technologies)
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