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Nano-Enabled Approaches for Sustainable Development of the Construction Industry

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

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 3298

Special Issue Editors


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Guest Editor
College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
Interests: microbial cell fermentation, self-healing concretes; sustainable development of concrete structures; self-healing of recycled aggregates; environmental remediation; microbial self-repair of concrete cracks

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Guest Editor
College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China
Interests: manufactured nano-objects; self-healing concrete; carbon footprints; nanobiotechnology; recycled aggregates; nanobiochemistry
Special Issues, Collections and Topics in MDPI journals
School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
Interests: advanced cement-based materials, including microbial self-healing concrete, nano-modified cementitious materials, protection of reinforced concrete from corrosion, design and application of high performance concrete

Special Issue Information

Dear Colleagues,

Concrete annual consumption reaches up to 30 billion tonnes, outpaces any other material, and worldwide demand is ever-growing. With such extensive consumption, aggressive research efforts are required to maximize concrete's sustainability and limit the environmental burden. Nanotechnology has recently emerged as a transformative technology that offers inexpensive, safe, efficient, and sustainable options for developing concrete structures by increasing the tensile strength and workability of self-healing concretes. Recent involvement of manufactured nano-objects (MNOs) in self-healing concrete is probably an important breakthrough in the construction industry that has greatly improved the strength of cement-based materials. However, self-healing potential on deep surface and methods to evaluate calcium carbonate precipitation in self-healing specimen remains poorly understood. There is an urgent need to develop next-generation nano-bio-induced self-healing concrete structures. Aiming to explore this window further and enhance the safe application of MNOs in the construction industry, we invite submissions of novel and original papers and reviews to this SI covering (but not limited to) the following topics:

  • Nanobiotechnology approaches for the production of nano-bio concrete.
  • Impact of MNOs on strength and workability of concrete structures.
  • Mechanistic insights into MNOs interactions with self-healing agents such as bacteria etc.
  • Methods related to the estimation of self-healing potential of concrete.
  • Elucidate the strength and weaknesses related to the field applicability of nano-bio concrete.
  • Potential toxicological impacts and public health issues from emerging nano-bio concretes. 
  • Insights into the regulation and governance of nano-bio concrete.
  • Other related topics.

Prof. Dr. Xu Deng
Dr. Muhammad Arslan Ahmad
Dr. Jing Xu
Guest Editors

Manuscript Submission Information

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Keywords

  • manufactured nano-objects
  • nanobiotechnology
  • self-healing concrete
  • environmental footprints
  • construction
  • sustainable approaches
  • novel nano-bio concrete

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Published Papers (2 papers)

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Editorial

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3 pages, 172 KiB  
Editorial
Preface to the Special Issue on Nano-Enabled Approaches for Sustainable Development of the Construction Industry
by Muhammad Arslan Ahmad, Jing Xu and Xu Deng
Appl. Sci. 2022, 12(23), 12043; https://doi.org/10.3390/app122312043 - 25 Nov 2022
Cited by 2 | Viewed by 1043
Abstract
Concrete is the most consumed substance on Earth, and its production is expected to rise from 4 [...] Full article

Research

Jump to: Editorial

15 pages, 7844 KiB  
Article
Static Analysis of Underground Ant Nest Structures
by Guanghong Yang, Wei Zhou, Jing Xu, Ming Zeng and Anna A. Kulminskaya
Appl. Sci. 2022, 12(23), 12201; https://doi.org/10.3390/app122312201 - 29 Nov 2022
Cited by 1 | Viewed by 1686
Abstract
Ants are known as nature’s master builders, constructing a wide range of nests, from simple nests with a single channel linking several chambers to ‘underground palaces’ that are several metres wide. However, there is a lack of understanding of the mechanical performance of [...] Read more.
Ants are known as nature’s master builders, constructing a wide range of nests, from simple nests with a single channel linking several chambers to ‘underground palaces’ that are several metres wide. However, there is a lack of understanding of the mechanical performance of underground ant nest structures. In this paper, two underground ant nest structures are obtained and digitally modelled by means of liquid paraffin wax infusion shaping, manual excavation and industrial CT scanning, and a finite element model of the underground ant nest structure is established by means of numerical simulation. By simulating people of different weights standing above the nests, the stress distribution characteristics of each chamber in the nests under different pressures are obtained, and the mechanical properties of the underground ant nest structures under static loads are investigated. Full article
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