Recent Advances in Sustainable Low-Carbon Materials for Green Concrete

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 January 2025 | Viewed by 2654

Special Issue Editors


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Guest Editor
Department of Manufacturing and Civil Enineering, NTNU-Norwegian University of Science and Technology, 2821 Gjøvik, Norway
Interests: CO2 mineralization; waste recycling; construction waste management; low-carbon cement; eco-friendly construction materials; alkali-activated materials; life cycle assessment; sustainable chemistry

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Guest Editor
School of Traffic & Transportation Engineering, Changsha University of Science and Technology, Changsha 410205, China
Interests: CO2 curing; alkali-activated materials; magnesium oxychloride cement; waste recycling; life cycle assessment; low-carbon cement

Special Issue Information

Dear Colleagues,

As the largest building materials in volume, concrete and cement-based binders make a significant contribution to global carbon emissions. From the extraction of resources to the production and transportation of materials, as well as the construction process, the construction industry generates a substantial amount of carbon emissions. The carbon emissions released during the manufacturing of cement-based binders can often have detrimental effects on both human health and the environment, highlighting the urgency for the construction industry to adopt greener and more sustainable materials. In pursuit of reduced carbon emissions, the industry actively seeks incremental improvements through various means. These include material selection, waste reduction, reuse and recycling construction and demolition waste, incorporation of new materials, low-carbon development of cement-based composites, and integration of renewable energy sources.

In this Special Issue, we are looking for innovative research on sustainable construction materials and new technologies, including low-carbon binders, upcycling of solid wastes into construction products, decarbonization in concrete, CO2 mineralization process, policies and life cycle assessments, cost-effective products, new test methods, case studies, and other relevant studies. The papers collected in this Special Issue can help researchers, construction and building material scientists, engineers, and construction companies to find more advanced techniques and alternative approaches for sustainable construction and building material development.

Dr. Hamideh Mehdizadeh
Dr. Pingping He
Guest Editors

Manuscript Submission Information

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Keywords

  • green concrete
  • sustainable construction materials
  • low-carbon cement-based composites
  • recycling waste
  • CO2 mineralization
  • carbonation technology
  • alkali-activated materials
  • properties
  • application
  • life cycle assessment

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Published Papers (2 papers)

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Research

21 pages, 4817 KiB  
Article
Experimental Study on Axial Compressive Performance of Recycled Steel Fiber Reinforced Concrete Short Columns with Steel Pipes
by Bin Wang, Hui Lv, Yongtao Gao, Minggao Tang, Nansheng Ding, Xiao Zhao, Hua Zhao and Xiao Hu
Buildings 2024, 14(8), 2498; https://doi.org/10.3390/buildings14082498 - 13 Aug 2024
Viewed by 622
Abstract
To explore the axial compressive mechanical properties of steel tube recycled steel fiber reinforced concrete short columns (STRSFRCSCs), axial compression tests were conducted on ten STRSFRCSCs and two steel tube reinforced concrete short columns (STRCSCs), mainly analyzing the effects of recycled steel fiber [...] Read more.
To explore the axial compressive mechanical properties of steel tube recycled steel fiber reinforced concrete short columns (STRSFRCSCs), axial compression tests were conducted on ten STRSFRCSCs and two steel tube reinforced concrete short columns (STRCSCs), mainly analyzing the effects of recycled steel fiber (RSF) content, steel content, and concrete strength grade on their mechanical properties. The results showed that different RSF contents had no significant effect on the failure mode of the specimens, while the concrete strength grade and steel content had a significant effect on the failure mode. When the steel content was 2.84%, the specimens experienced shear failure, while when the steel content was 4.24%, they experienced waist drum failure. As the RSF content increased, the peak strain during the loading process of the specimens decreased, and the transverse deformation coefficient at the peak decreased. The addition of RSF significantly improved the ductility performance of the specimens. When the volume fraction of RSF was 2%, the bearing capacity of the specimens increased the most, reaching 13.4%, and the ductility coefficient gradually increased. The axial compressive bearing capacity and combined elastic modulus of the specimens increased with the increase in concrete strength grade, RSF content, and steel content. Full article
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12 pages, 4215 KiB  
Article
Concrete for Living Walls: Current Status and a New Design Recommendation
by Ronaldas Jakubovskis
Buildings 2023, 13(12), 3067; https://doi.org/10.3390/buildings13123067 - 8 Dec 2023
Viewed by 1457
Abstract
Concrete may be a promising material for application in living walls, broadening existing vertical greening systems and, most importantly, reducing installation costs. This study presents the concept of layered living concrete (LLC) wall panels that were developed and field-tested over the past 3 [...] Read more.
Concrete may be a promising material for application in living walls, broadening existing vertical greening systems and, most importantly, reducing installation costs. This study presents the concept of layered living concrete (LLC) wall panels that were developed and field-tested over the past 3 years. Simultaneously with long-term field observations, several laboratory studies on the selection of a rational concrete mix composition were carried out. Based on field data, the results of laboratory tests, and numerical simulations, a new LLC wall panel design was proposed. The new panel design retains the previous idea of a layered structure suitable for natural colonization by plants, but also adds improved material characteristics, rational dimensions, the economical use of water, and, potentially, the ability to hasten the greening of vertical surfaces. Full article
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