Novel Cement and Concrete Materials

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Applications".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 301

Special Issue Editors


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Guest Editor
Department of Resources Engineering, National Cheng Kung University, Tainan, Taiwan
Interests: cement and concrete materials; porous, lightweight, and heat-control materials; material separation and concentration; recycling technologies; waste management

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Guest Editor
Department of Environmental Engineering and Science, Fooyin University, Kaohsiung, Taiwan
Interests: waste treatment; reuse and recycling, eco-materials; concrete material technology; civil engineering materials

Special Issue Information

Dear Colleagues,

Cement and concrete materials are common and important composites for modern construction and buildings. Novel cement and concrete materials have attracted much attention in recent years since they possess some technological and environmental advances. Traditional cement and concrete materials are mainly used to provide mechanical strength to construction and building materials, and the production processes consume a lot of resources and energy. Different from traditional concrete materials, novel cement and concrete materials not only provide mechanical strength, but also have functional or environmental benefits, such as lightweight, thermal insulation, thermal energy storage, uses of wastes materials, low energy consumption, and low carbon emissions. This Special Issue aims to compile the latest progress being made in research on the functions and sustainability of novel cement and concrete materials. The functions and sustainability of cement/concrete materials are generally related to the energy saving, waste recycling, and carbon emission reduction. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but need not be limited to) the following:

  • Foam concrete/aerated concrete;
  • Lightweight aggregate concrete;
  • Recycled aggregate concrete;
  • Use of waste materials in concrete;
  • Phase change materials (use in construction materials);
  • Geopolymers;
  • Self-healing concrete;
  • Functional concrete materials;
  • Durability of cement concrete;
  • Low-carbon cement;
  • Magnesium phosphate cements cement;
  • Calcium carbonate cement;
  • Low-heat Portland cement;
  • Eco-cements.

We look forward to receiving your contributions.

Dr. Ying-Liang Chen
Dr. Pai-Haung Shih
Guest Editors

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Keywords

  • lightweight concrete
  • portland cement
  • low carbon emissions
  • phase change materials
  • recycling
  • durability
  • energy saving
  • thermal insulation

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Published Papers (1 paper)

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Research

15 pages, 5282 KiB  
Article
Composite Building Materials Prepared from Bioresources: Use of Rice Husk for Autoclaved Lightweight Concrete Production
by Shao-Lin Peng, Ying-Liang Chen and Yu-Sheng Dai
J. Compos. Sci. 2024, 8(9), 359; https://doi.org/10.3390/jcs8090359 - 13 Sep 2024
Viewed by 192
Abstract
Rice husk (RH) and straw are common agricultural wastes in Asian countries, and they are potential bioresources for building materials. RH contains a large amount of SiO2, and many studies have burnt RH to ash and then used it as a [...] Read more.
Rice husk (RH) and straw are common agricultural wastes in Asian countries, and they are potential bioresources for building materials. RH contains a large amount of SiO2, and many studies have burnt RH to ash and then used it as a silica supplement in cement and concrete. However, the combustion of RH has an additional cost and exacerbates CO2 emissions and air pollution. RH inherently has a low bulk density and porous structure; therefore, it should be possible to directly use RH as a lightweight additive in concrete. The purposes of this study were to use RH in the production of autoclaved lightweight concrete (ALC) and to examine the effects of RH on ALC properties. Four RHs with different particle sizes, i.e., >1.2 mm, 0.6–1.2 mm, 0.3–0.6 mm, and <0.3 mm, were used as lightweight additives, and the ALC specimens were prepared with 0–20 wt.% RHs by autoclaving at 189 °C for 12 h. The >0.3 mm RH was applicable to prepare the ALC specimens, and the decomposition effect of <0.3 mm RH was significant. Both the bulk density and the compressive strength of the ALC specimens decreased with increasing RH size. RH with a particle size larger than 1.2 mm seems more appropriate for ALC production than RH with a smaller particle size because of the lower bulk density and higher compressive strength. The Ca/Si ratio decreased with increasing RH size, which affected the formation of tobermorite and thus reduced the compressive strength of the ALC specimens. With a suitable water-to-solid (W/S) ratio, the use of RHs as lightweight additives can yield ALC specimens that meet the requirements of commercial products. Full article
(This article belongs to the Special Issue Novel Cement and Concrete Materials)
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