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Critical Issues in Development of Materials in Civil Engineering

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 4326

Special Issue Editor


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Guest Editor
Department of Civil Engineering, Cyprus International University, Nicosia 99258, Cyprus
Interests: cementitious and non-cementitious materials; usage of waste materials in cement and concrete technology; properties of innovative cementitious materials; engineering of building processes; high performance concrete

Special Issue Information

Dear Colleagues,

The modern civil engineer should make a modern and sustainable design that deals with traditional and advanced construction materials. Therefore, next to the development of construction technology, attention to the developed construction materials has increased. Next to the lack of natural sources, the building and construction sectors produce 39% of total carbon dioxide emissions around the world. The World Green Building Council has underscored that drastically cutting these emissions is essential to avoiding a global rise in temperatures of 1.5 degrees Celsius. Considering that the total amount of buildings around the world is expected to double by 2060. The council has set the goal of fully decarbonizing the construction sector by 2050. Significant research on advanced materials has led to a better understanding of these materials and improved their sustainability.

Original research (theoretical and experimental), case studies, and comprehensive review papers are invited for possible publication in this Special Issue. Relevant topics to this Special Issue include, but are not limited to the following subjects:

  • Cementitious and non-cementitious materials;
  • High-performance concrete;
  • Waste materials application in the construction sector;
  • Nano-materials;
  • Sustainability and recycling;
  • Geopolymer concrete;
  • Cultural heritage and materials.

Dr. Mohammad Ali Mosaberpanah
Guest Editor

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

  • sustainability
  • construction materials
  • labarotoary
  • conservation
  • civil engineering

Published Papers (2 papers)

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Research

22 pages, 3769 KiB  
Article
The Performance of Alkali-Activated Self-Compacting Concrete with and without Nano-Alumina
by Shimal Jameel Younus, Mohammad Ali Mosaberpanah and Radhwan Alzeebaree
Sustainability 2023, 15(3), 2811; https://doi.org/10.3390/su15032811 - 03 Feb 2023
Cited by 5 | Viewed by 2156
Abstract
The environmental pollution crisis has infiltrated all aspects of life, making it hard to avoid the hazards. To address this, it is essential to recycle industrial waste through green concrete technology, such as ground-granulated blast furnace slag (S), silica fume, and fly ash [...] Read more.
The environmental pollution crisis has infiltrated all aspects of life, making it hard to avoid the hazards. To address this, it is essential to recycle industrial waste through green concrete technology, such as ground-granulated blast furnace slag (S), silica fume, and fly ash (FA). In this study, the effect of nano-alumina (NA) on the fresh and hardened stag of fly ash and/or slag-based alkali-activated self-compacting concrete (A-ASCC) cured in an ambient environment was investigated. Three different types of binders were used: 100% slag, 50% slag and 50% fly ash, and 100% fly ash. Four ratios of nano-alumina (0%, 0.5%, 1%, and 1.5%) were used as partial replacements for binder materials. The fresh characteristics of A-ASCC were evaluated by indicating the slump flow, T50 value, V-funnel, and L-Box tests. The mechanical properties of A-ASCC were evaluated by measuring the compressive strength, flexural tensile strength, and splitting tensile strength test values to assess the qualities of the hardened state. Scanning electron microscopy (SEM) was also used to clarify the microstructure of the A-ASCC specimens. Regardless of the binder materials used, the addition of NA has a negative effect on fresh state performance. The mechanical performance of alkali-activated A-ASCC was significantly improved by the incorporation of NA. The incorporation of NA with 50% slag and 50% fly ash showed better properties than other binder materials. However, the highest flexural and compressive strengths were achieved with 1% NA and 100% FA, and the maximum splitting tensile strength was achieved with 1.5% NA. Furthermore, using NA significantly increases the A-ASCC setting time and may be used to produce A-ASCC in an ambient environment. Full article
(This article belongs to the Special Issue Critical Issues in Development of Materials in Civil Engineering)
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20 pages, 6627 KiB  
Article
The Effect of Nano-Silica and Nano-Alumina with Polypropylene Fiber on the Chemical Resistance of Alkali-Activated Mortar
by Mahmood Hunar Dheyaaldin, Mohammad Ali Mosaberpanah and Radhwan Alzeebaree
Sustainability 2022, 14(24), 16688; https://doi.org/10.3390/su142416688 - 13 Dec 2022
Cited by 5 | Viewed by 1615
Abstract
This study investigates the simultaneous effect of nano-silica and nano-alumina with and without polypropylene fiber on the chemical-resistant of alkali-activator mortar (AAM) exposed to (5% Sulfuric Acid, 5% Magnesium Sulphate, and 3.5% Sodium chloride) attack. Design-expert software provided the central composite design (CCD) [...] Read more.
This study investigates the simultaneous effect of nano-silica and nano-alumina with and without polypropylene fiber on the chemical-resistant of alkali-activator mortar (AAM) exposed to (5% Sulfuric Acid, 5% Magnesium Sulphate, and 3.5% Sodium chloride) attack. Design-expert software provided the central composite design (CCD) for mixed proportions. Nano-silica (NS) and nano-alumina (NA) at 0, 1%, and 2%, and with polypropylene fiber (0, 0.5%, and 1%) were used in the production of AAM. The alkali activator mortar mixes were created using an alkaline activator to binder ratio of 0.5. The binder materials include 50% fly ash Class F (FA) and 50% ground granulated blast furnace slag (GGBS). A sodium silicate solution (Na2SiO3) and sodium hydroxide solution (NaOH) were combined in the alkaline activator at a ratio of 2.5 (Na2SiO3/NaOH). The mechanical properties of AAM were tested via compressive strength and flexural strength tests. The results show that the acid attack, more than the sulphate and chloride attacks, significantly influenced the AAM. The addition of both nanomaterials improved the mechanical properties and chemical resistance. The use of nanomaterials with PPF showed a superior effect, and the best results were indicated through the use of 2%NA–1%PPF. Full article
(This article belongs to the Special Issue Critical Issues in Development of Materials in Civil Engineering)
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