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Mechanical Properties and Durability Issues in the Functional Concrete Materials and Structure

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

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 2382

Special Issue Editor

Department of Civil Engineering, Chonnam National University, Gwangju 61186, Korea
Interests: cement-based materials; photocatalyst applications; carbon-based composites; recycled construction materials; fibre-reinforced concrete; concrete fracture; computational mechanics; structural engineering

Special Issue Information

Dear Colleagues,

Concrete is the second most used material on Earth after water, and is the main material that makes up civil infrastructure. The role of cements is important because they form of composites that bind aggregates that can withstand heavy loads. In cement production, it is essential to heat and filter out internal impurities. Unfortunately, this leads to an increased CO2 footprint.

Humanity has been forced to choose between the problem of rapid modernization and the inherent problem of environmental burden. However, most countries address development as more of a survival problem. Therefore, it is critical that we study how to manage civil infrastructure and its sustainability. This discussion has led to a worldwide consensus, established as a mega-trend, and has been continuously discussed in various research areas to prepare for future environmental burdens and global warming. These sustainable construction materials are not only durable, but they are also functional and eco-friendly and have the potential to solve the pending environmental issues. For example, there is a need for a plan to continuously secure the functionality of concrete and its safety through the proper maintenance of existing infrastructure. This requires highly durable concrete, in terms of maintenance, that can be quickly evaluated in terms of the function and safety status of the structure. To address this goal, this Special Issue will present research that will help lead to improved functional concrete materials and structures with the aim of sustainable construction.

It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Inkyu Rhee
Guest Editor

Manuscript Submission Information

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Keywords

  • functional materials
  • strength
  • durability
  • sustainability
  • environmental applications
  • catalytic applications
  • carbon-based materials
  • recycled waste materials
  • biomass-derived materials
  • materials characterization
  • structural applications

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Published Papers (1 paper)

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Research

21 pages, 6636 KiB  
Article
Effects of Elevated Temperature on the Residual Behavior of Concrete Containing Marble Dust and Foundry Sand
by Aditya Kumar Tiwary, Sandeep Singh, Raman Kumar, Jasgurpreet Singh Chohan, Shubham Sharma, Jujhar Singh, Changhe Li, R. A. Ilyas, M. R. M. Asyraf and Mohammad Abdul Malik
Materials 2022, 15(10), 3632; https://doi.org/10.3390/ma15103632 - 19 May 2022
Cited by 33 | Viewed by 1974
Abstract
Concrete is a composite material that is commonly used in the construction industry. It will certainly be exposed to fires of varying intensities when used in buildings and industries. The major goal of this article was to look into the influence of mineral [...] Read more.
Concrete is a composite material that is commonly used in the construction industry. It will certainly be exposed to fires of varying intensities when used in buildings and industries. The major goal of this article was to look into the influence of mineral additions such as foundry sand and marble dust on the residual characteristics of concrete. To examine the behavior of residual characteristics of concrete after fire exposure, marble dust was substituted for cement and fine sand was substituted for foundry sand in varying amounts ranging from 0% to 20%. It aided in the better disposal of waste material so that it might be used as an addition. The purpose of the experiment was to see how increased temperatures affected residual properties of concrete, including flexural strength, compressive strength, tensile strength, static as well as dynamic elastic modulus, water absorption, mass loss, and ultrasonic pulse velocity. At temperatures of 200 °C, 400 °C, 600 °C, 800 °C, and 1000 °C, the typical fire exposure behavior of concrete was investigated. The effects of two cooling techniques, annealing and quenching, on the residual properties of concrete after exposure to high temperatures were investigated in this study. Replacement of up to 10% of the cement with marble dust and fine sand with foundry sand when concrete is exposed to temperatures up to 400 °C does not influence the behavior of concrete. At temperatures above 400 °C, however, the breakdown of concrete, which includes marble dust and foundry sand, causes a rapid deterioration in the residual properties of concrete, primarily for replacement of more than 10%. Full article
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