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Applied Sciences
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Non-toxic Materials for Planet Earth Ⅱ
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Non-toxic Materials for Planet Earth Ⅱ

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 4304

Special Issue Editor

Prof. Dr. Manoj Gupta

E-Mail Website
Guest Editor
Materials Group, Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
Interests: metal additive manufacturing; processing; characterization; lightweight materials; nanocomposites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the past 100 years, many toxic materials have been developed and used in multiple applications, leading to severe pollution of land, water bodies, and air. This has posed serious health challenges to all the inhabitants, human or otherwise, of planet Earth, as these materials have entered our food chain as per recent studies. The present Special Issue is launched with a specific aim to promote research, education, and usage of environment safe materials. The present issue thus welcomes all articles related to development, processing, characterization, and application of all categories of materials which are nontoxic and sustainable for making our planet an excellent place in which to live. Particular topics covered in this issue include but are not restricted to the following:

  1. Research into nontoxic materials;
  2. Lightweight materials for greenhouse gas mitigation;
  3. Energy-efficient processing techniques;
  4. Materials to mitigate water pollution;
  5. Materials to mitigate land pollution;
  6. Characterization;
  7. Applications;
  8. Miscellaneous topics related to the thematic title.

Reviews, both mini and regular, are invited on any of the above topics.

Prof. Manoj Gupta
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. Applied Sciences 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

  • materials
  • pollution
  • mitigation
  • nontoxic
  • application
  • characterization

Published Papers (2 papers)

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Research

18 pages, 6125 KiB  
Article
Experimental Investigation on the Effect of Varying Fiber Mix Proportion on the Mechanical and Thermal Performances of Fiber-Reinforced Self-Compacting Concrete under Hydrocarbon Fire Condition
by Noraniza Mohammad Jani, Mohammad Shakir Nasif, Nasir Shafiq and Ian Holt
Appl. Sci. 2020, 10(13), 4586; https://doi.org/10.3390/app10134586 - 02 Jul 2020
Cited by 2 | Viewed by 1671
Abstract
This paper presents the experimental analysis of the effects of simulated hydrocarbon fire exposure on the mechanical properties and the heat transmission in fiber-reinforced self-compacting concrete, FR-SCC. For that purpose, 300-mm thick, and 1200-mm square-shaped slabs were cast. Basalt and polyvinyl alcohol (PVA) [...] Read more.
This paper presents the experimental analysis of the effects of simulated hydrocarbon fire exposure on the mechanical properties and the heat transmission in fiber-reinforced self-compacting concrete, FR-SCC. For that purpose, 300-mm thick, and 1200-mm square-shaped slabs were cast. Basalt and polyvinyl alcohol (PVA) fibers were added using the content of 1, 1.5, and 2% in self-compacting concrete. For investigating the heat transmission within 300-mm thick slabs, five external thermocouples were installed at the unexposed face to the fire of the slabs. Similarly, eleven internal thermocouples were installed at an interval of 25 mm throughout the slab thickness. It has been found that fibers have shown better insulation than the controlled concrete; the unexposed to fire surface of FR-SCC showed temperatures lower by ten degree Celcius than the controlled concrete. Compressive strength results showed that fiber addition caused a higher reduction in strength because of softening and stiffness reduction due to high-temperature exposure. After 120 min of fire exposure, basalt fibers caused an average reduction of 30% in the compressive strength, and PVA fibers caused an average reduction of 25%. Whereas, the addition of fibers improved the split cylindrical tensile strength even after exposure to 120 min of fire exposure in comparison with the unreinforced samples. Full article
(This article belongs to the Special Issue Non-toxic Materials for Planet Earth Ⅱ)
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20 pages, 11626 KiB  
Article
Establishing the Correlations for Eco-Efficiency Index of Various Types of Structural Concrete Used in the Malaysian Housing Using Response Surface Method
by Mohd Samsudin Abdul Hamid, Nasir Shafiq and Osamah Kiwan
Appl. Sci. 2020, 10(12), 4372; https://doi.org/10.3390/app10124372 - 25 Jun 2020
Cited by 1 | Viewed by 1955
Abstract
The concept of a sustainable environment generally refers to the development that creates a balance between the resources consumption pattern and the rate of depletion of natural resources. For determining the level of sustainability of any project, three types of impacts are assessed: [...] Read more.
The concept of a sustainable environment generally refers to the development that creates a balance between the resources consumption pattern and the rate of depletion of natural resources. For determining the level of sustainability of any project, three types of impacts are assessed: economic, environmental, and social. This paper presents an analytical study that focused on establishing a correlation of eco-efficiency index for low-rise reinforced concrete residential housing in Malaysia. A statistical technique using the response surface method was performed, with the help of design expert software. The data was verified using regression analysis and represented by R2 value, standard deviation, and coefficient of variation. By using economic factors, environmental factors, and the eco-efficiency index, 3D model graphs were developed for structural concrete containing fly ash, and blast furnace slag (BFS), which was assigned to the structural members in a single and double story housing. The study has concluded that the correlations established between the cost and carbon emission, economic & environmental scores, and the eco-efficiency index have shown a linear trend for single story housing and a cubic for the double story housing. Full article
(This article belongs to the Special Issue Non-toxic Materials for Planet Earth Ⅱ)
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