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Novel Approaches in Concrete and Building Materials
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Novel Approaches in Concrete and Building Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2646

Special Issue Editors

Dr. Mahzad Esmaeili-Falak

E-Mail Website
Guest Editor
Department of Civil Engineering, North Tehran Branch, Islamic Azad University, Tehran 1651153311, Iran
Interests: artificial intelligence; predicting, deep learning; civil engineering; concrete technology; material science; geotechnical engineering; soil improvement
Prof. Dr. Akbar Javadi

E-Mail Website
Guest Editor
Department of Engineering, University of Exeter, Exeter, UK
Interests: civil engineering; concrete technology; soil improvement; cement-based materials; computer-aided design of construction materials; geotechnical engineering; predicting; artificial intelligence; data mining; deep learning

Special Issue Information

Dear Colleagues,

Today, concrete and other cement-based materials are one of the most widely used construction materials. Despite characteristics such as high mechanical strength, low cost, availability, and durability of concrete and cement-based materials, there are some issues associated with these materials that are the subject of current and/or future research. Efforts are being made to improve the aforementioned characteristics of these materials. While increases in compressive strength and durability and decreases in permeability and costs are being considered, at the same time, there is growing concern over the environmental impacts of these materials. A review of the literature demonstrates that, topics such as physical, mechanical, durability, economic and environmental characteristics of concrete and other cement-based materials have been increasingly considered by researchers. The application of traditional approaches to modeling and predicting the behavior of these materials is not sufficient and novel computer-aided techniques should be employed. The present Special Issue pays particular attention to the utilization of AI-based hybrid approaches to achieve improved solutions. Potential topics include, but are not limited to:

  • Physical, rheological, mechanical, durability, and cost characteristics of concrete and cement-based materials;
  • Prediction and optimization algorithms;
  • Green concrete (waste materials, recycled aggregates and etc.);
  • Lightweight, ultra-high performance, and ultra-high-strength concrete;
  • Smart and self-healing concrete;
  • Sustainable concrete;
  • Future perspectives for novel AI-based hybrid approaches to improve the building materials.

Dr. Mahzad Esmaeili-Falak
Prof. Dr. Akbar Javadi
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. Materials 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 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

  • concrete and cement-based materials
  • predicting
  • optimization
  • hybrid AI-based approaches
  • physical properties
  • mechanical parameters
  • durability
  • geo-materials
  • soil improvement
  • eco-friendly building materials.

Published Papers (2 papers)

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Research

20 pages, 8430 KiB  
Article
Thermal and Humidity Performance Test of Rammed-Earth Dwellings in Northwest Sichuan during Summer and Winter
by Maqi Jiang, Bin Jiang, Renzi Lu, Liang Chun, Hailun Xu and Gaolin Yi
Materials 2023, 16(18), 6283; https://doi.org/10.3390/ma16186283 - 19 Sep 2023
Cited by 1 | Viewed by 897
Abstract
Rammed-earth dwellings have a long history in the construction field. It is a natural material that is both green and environmentally friendly. In recent years, the advantages of rammed earth, such as environmental protection, low cost, and recyclability, have attracted considerable attention. In [...] Read more.
Rammed-earth dwellings have a long history in the construction field. It is a natural material that is both green and environmentally friendly. In recent years, the advantages of rammed earth, such as environmental protection, low cost, and recyclability, have attracted considerable attention. In this study, the thermal and humidity physical properties of rammed–earth materials in the northwest Sichuan region, the variation laws of thermal physical parameters, such as the thermal conductivity of rammed–earth under different moisture content conditions, and isothermal moisture absorption and desorption curves were investigated. The results indicated that the thermal physical parameters of the rammed earth measured in the experiment increased with an increase in moisture content, and its moisture absorption performance was better than the moisture release performance in the range of 11.31–97.3% relative humidity. The experimental site, Mianyang City, Sichuan Province, is a subtropical monsoon humid climate zone characterized by warm winters and hot summers with four distinct seasons. In this study, we investigated the hygrothermal coupling transfer of walls, as well as the indoor temperature and humidity changes in new rammed–earth buildings during summer and winter climates. During the test period, the maximum indoor temperature in summer was 35.08 °C, the minimum temperature was 33.76 °C, and the average daily temperature fluctuation was 3.62 °C. In winter, the maximum indoor temperature was 8.59 °C, the minimum temperature was 6.18 °C, and the average daily temperature fluctuation was 1.21 °C. An analysis was performed on the thermal insulation performance of rammed–earth buildings in an extremely high-temperature climate during summer, thermal insulation performance, the thermal–buffering capacity of walls in a low–temperature and high-humidity climate during winter, and thermal and humidity regulation of indoor environments provided by walls during summer and winter. The results showed that the rammed–earth buildings exhibited warmth in winter, coolness in summer, and a more stable and comfortable indoor environment. Full article
(This article belongs to the Special Issue Novel Approaches in Concrete and Building Materials)
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13 pages, 1866 KiB  
Article
An Experimental Study on the Properties of Concrete and Fiber-Reinforced Concrete in Rigid Pavements
by Željko Kos, Sergii Kroviakov, Andrii Mishutin and Andrii Poltorapavlov
Materials 2023, 16(17), 5886; https://doi.org/10.3390/ma16175886 - 28 Aug 2023
Viewed by 943
Abstract
The complex effect of the amount of cement, polypropylene fiber (the fiber length was 39 mm, and the diameter was 0.45 mm), and polycarboxylate superplasticizer on concrete properties for rigid pavement was determined using the methods of experiment planning and experimental–statistical modeling. The [...] Read more.
The complex effect of the amount of cement, polypropylene fiber (the fiber length was 39 mm, and the diameter was 0.45 mm), and polycarboxylate superplasticizer on concrete properties for rigid pavement was determined using the methods of experiment planning and experimental–statistical modeling. The fluidity of all the mixtures was S1. The W/C of the mixtures depended on the composition of the concrete and variable from 0.32 to 0.46. It was found that, by increasing the amount of superplasticizer from 1% to 1.8–2%, the compressive strength of concrete increased by 4.5–6 MPa after 3 days and by 7–9 MPa after 28 days. The flexural strength in this case increased by 0.6–0.9 MPa. The use of polypropylene fiber in the amount of 1.5–1.8 kg/m3 increased the compressive strength of concrete by an average of 3 MPa, increased the flexural strength by 0.5–0.6 MPa, reduced the abrasion capacity by 9–14%, and increased the frost resistance by up to 50 cycles. When using a rational amount of superplasticizer and fiber, the compressive strength of concrete, even with a minimum cement amount of 350 kg/m3, was at least 65 MPa, its flexural strength was at least 6 MPa, its frost resistance was F200, and its abrasion capacity was not more than 0.30 g/cm2. Concrete with such properties can be used for roadways of any type. Low abrasion capacity and high frost resistance provide the necessary durability of concrete for rigid pavement during operation. Full article
(This article belongs to the Special Issue Novel Approaches in Concrete and Building Materials)
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