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Sustainability
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Sustainable and Alternative Cementitious Materials
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Sustainable and Alternative Cementitious Materials

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 17241

Special Issue Editors

Dr. Zahra Abdollahnejad

E-Mail Website
Guest Editor
Department of Civil & Environmental Engineering, University of Connecticut, Storrs 06269, USA
Interests: sustainable construction material; alkali-activated binders; geopolymer; fiber-reinforced concrete; foam concrete
Dr. Mohammad Mastali

E-Mail Website
Guest Editor
Fiber and Particle Engineering Research Unit, Oulu University, 90570, Finland
Interests: Fiber reinforced concrete; Alkali activated concrete; Composite Structures
Dr. Prannoy Suraneni

E-Mail Website
Guest Editor
Civil, Architectural, and Environmental Engineering, University of Miami, 33146, Coral Gables, USA
Interests: Infrastructure sustainability; Concrete durability; New and advanced infrastructure materials; Supplementary cementitious materials; Chemical admixtures; Cement hydration

Special Issue Information

Dear Colleagues,

Within an increasing global population, especially in cities, the demand for construction and building materials has also increased significantly. This increase has in turn resulted in a significant growth in the utilization of natural resources. Ordinary Portland cement (OPC) is typically the material used in the greatest amount in construction due to its wide availability and attractive durability and strength properties. However, significant opportunities for improvement of OPC-based concretes exist, which can provide lower carbon dioxide emissions and better durability behavior. These alternative cementitious materials, such as calcium sulfoaluminate cements, calcium aluminate cements, and alkali-activated materials, may provide opportunities for sustainable development through minimizing the usage of natural resources and result in more sustainable construction materials.

The field of sustainable construction materials is growing fast, and promising results suggest various possibilities of using these novel materials for different applications.

This Special Issue focuses on bringing together a strong body of recent research on development of the alkali-activated materials and other alternative cementitious materials, their potential for increasing the utilization of recycled materials, developing lightweight concrete for insulation applications, and durability aspects of alternative cementitious materials.

Dr. Zahra Abdollahnejad
Dr. Mohammad Mastali
Dr. Prannoy Suraneni
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. Sustainability 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

  • alternative cementitious materials
  • alkali-activated binders
  • geopolymers
  • fiber-reinforced concrete
  • recycled aggregates
  • concrete durability
  • concrete rheology

Published Papers (2 papers)

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14 pages, 3145 KiB  
Article
Sustainable Use of Waste Polypropylene Fibers and Palm Oil Fuel Ash in the Production of Novel Prepacked Aggregate Fiber-Reinforced Concrete
by Fahed Alrshoudi, Hossein Mohammadhosseini, Mahmood Md. Tahir, Rayed Alyousef, Hussam Alghamdi, Yousef R. Alharbi and Abdulaziz Alsaif
Sustainability 2020, 12(12), 4871; https://doi.org/10.3390/su12124871 - 15 Jun 2020
Cited by 41 | Viewed by 3343
Abstract
This study proposed the prepacked aggregates fiber-reinforced concrete (PAFRC), which is a newly developed concrete, with a unique combination of coarse aggregate and short polypropylene (PP) fiber that is premixed and placed in the formworks. This study aims to investigate the potential use [...] Read more.
This study proposed the prepacked aggregates fiber-reinforced concrete (PAFRC), which is a newly developed concrete, with a unique combination of coarse aggregate and short polypropylene (PP) fiber that is premixed and placed in the formworks. This study aims to investigate the potential use of waste polypropylene fibers and palm oil fuel ash (POFA) in the production of PAFRC to enhance the strength and deformation properties. The compressive strength, impact-resistant, drying shrinkage, and microstructural analysis of PAFRC were investigated experimentally. Six mixes comprising fiber volume fractions from 0–1.25% with a length of 30 mm were cast by gravity technique. Another six mixtures with the same fiber volume fractions were cast using a pump to inject the grout into the formwork. The experimental outcomes exposed that with the addition of PP carpet fiber, the compressive strength of PAFRC decreased. Nevertheless, PAFRC mixes shown a remarkable improvement in the tensile strength. The combination of POFA and PP fibers in PAFRC specimens led to higher impact strength and increasing the ductility of concrete. In addition, the drying shrinkage of PAFRC reduced significantly with the addition of waste PP fibers. It can be concluded that due to the adequate strength and deformation properties, PAFRC is the potential to be used as innovative fiber reinforced concrete in several applications. Full article
(This article belongs to the Special Issue Sustainable and Alternative Cementitious Materials)
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Review

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16 pages, 2773 KiB  
Review
The Utilization of Agricultural Waste as Agro-Cement in Concrete: A Review
by Jing He, Satoru Kawasaki and Varenyam Achal
Sustainability 2020, 12(17), 6971; https://doi.org/10.3390/su12176971 - 27 Aug 2020
Cited by 71 | Viewed by 13428
Abstract
Concrete, as the world’s most implemented construction material, is increasingly being used because of the rapid development of industrialization and urbanization. Limited resources and progressive depravation of the environment are forcing scientific efforts to seek alternative and effective materials from large amounts of [...] Read more.
Concrete, as the world’s most implemented construction material, is increasingly being used because of the rapid development of industrialization and urbanization. Limited resources and progressive depravation of the environment are forcing scientific efforts to seek alternative and effective materials from large amounts of natural resources as additives in the partial replacement of cement. Cement is a main constituent of concrete. To solve and minimize environmental issues, research works attempting to employ the wide availability of agricultural wastes, such as sugar cane bagasse, rice husk, sugar cane straw, and palm oil fuel, among others, into cement, and to finally bring sustainable and environmentally friendly properties to concrete are being examined. Agro-waste materials are crushed into fine and coarse aggregates or are burnt into ash, and are then mixed with cement, which is known as agro-cement. The replacement of aggregates, either partially or fully, is also deemed as a sustainable material in construction. This paper mainly reviews the current research on agro-cement that has been researched and applied for the enhancement of the strength and durability of concrete. It further summarizes the relevant knowledge and techniques, while providing optimal parameters for applying agricultural wastes in concrete. Full article
(This article belongs to the Special Issue Sustainable and Alternative Cementitious Materials)
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