This document discusses the application of nanotechnology in construction engineering. It begins with an abstract that overviews how nanotechnology can revolutionize civil engineering practices by conceiving innovative infrastructure systems. It then reviews literature on the topic and discusses various nanomaterials like nano-cement, nano-coatings for concrete, nano-steel, nano-glass, and nano-composites. It explains how these materials can provide properties like self-sensing, self-healing, and better strength and durability. The document concludes by noting that while nano-materials may be initially costly, they can reduce long-term maintenance costs and improve durability.
Nano technology in construction materialsMir Ansaf
Uses of nano technology in construction
1.Nano Technology for concrete
2. Nano Technology for Steel
3. Nano Technology for wood
4. Nano Technology for glass
5.Sustainability and environment
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Nano technology in construction materialsMir Ansaf
Uses of nano technology in construction
1.Nano Technology for concrete
2. Nano Technology for Steel
3. Nano Technology for wood
4. Nano Technology for glass
5.Sustainability and environment
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
This powerpoint presentation covers the role of Nanotechnology in Civil Engineering materials, future challenge and direction, impact of nano technology in civil engineering, the merits & demerits of nanotechnology.
Application of Nano Technology in Civil Engineering Construction MaterialsJournal For Research
There are many technologies whose applications are widely used in branch of civil engineering. There are both advantages and disadvantages of such technologies. But by using Nanotechnology the performance of material can be enhanced .Nanotechnology deals with understanding and controlling matter, atoms and molecules in the range of 0.1–100 nm (10-9 m). It creates materials, devices, and systems with new properties and functions. Nanoparticles have more surface area relative to their volume, making them useful in energy storage and for making composite materials. Nano materials are also able to be combined with biological materials, producing new structures that have properties of both types of materials. The role of nanotechnology in the infrastructure systems has the potential to set the civil engineering on a different height and widen the vision of civil engineering.
concrete which has enabled the study of chloride diffusion in concrete (which causes corrosion of reinforcement). Concrete is, after all, a macro-material strongly influenced by its nano-properties and understanding it at this new level is yielding new avenues for improvement of strength, durability and monitoring.
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International Journal of Engineering Research and DevelopmentIJERD Editor
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4. ABSTRACT
The role of nanotechnology in conceiving of innovative infrastructure systems
has potential to revolutionize the civil engineering practice. This paper first presents an
overview of Nanotechnology and civil engineering in general and their interdisciplinary
approach. Further the Nano-materials and their applications in civil engineering field
across its different sections are exemplified. The properties like self-sensing, self-
rehabilitation, self-structural health monitoring, self-vibration damping, self-cleaning
and self-healing are studied. Following this the analysis were carried out in ductile
structural composites along with its enhanced properties, low maintenance coatings,
better properties of cementitious materials, reduction of the thermal transfer rate of fire
retardant and insulation, various Nano sensors, smart materials, intelligent structure
technology etc. And also the possible consequences regarding its practicality and the
most challenging economic factors concerned are discussed briefly.
Keyword: - Nano cement, Nano concrete, Nano-Coating for concrete
6. LITERATURE REVIEW
• 1)K. P. Chong and E. J. Garboczi, “Smart and Designer Structural Material Systems”,
Progress in Structural Engineering and Materials (2002), Vol.4, p. 417-430.
• 2)F. Pacheco and S. Jalali , “Nanotechnology: Advantages and drawbacks in the field of
construction and building materials”, Journal of construction and Building Materials (2011),
Vol.25, no.2, p.582-590
• 3)M. C. Roco , R. S. Williams, and P. Alivisatos , “Nanotechnology Research Directions:
IWGN Research Report”, Committee on Technology, Interagency Working Group on
Nanoscience, Engineering and Technology (IWGN), National Science and Technology
Council, (1999).
• 4)E.R. Olivas, J.G. Swadener and Y.-L. Shen, “Nanoindentation measurement of surface
residual stresses in particle-reinforced metal matrix composites”, Scripta Materialia (2006),
Vol.54, no.2, p.263-268.
8. NANO CEMENT
• Portland cement is the most widely used construction material. It can be argued that concrete utilizes
nanotechnology because it contains nano-particles as its ingredients, including nano-water particles
and nano-air voids. However, it is not the application of the technology at nano-level. If it is possible
to create the technological tools and organize the amount and locations of these nano-ingredients in a
scientific way, then, concrete can experience the advances of nanotechnology. Concrete is, after all, a
macro-material, strongly influenced by its
• nano-properties and understanding it at nano level can provide the avenues for improvement of
strength and durability. The particle size of cement can be reduced to nano-size or can be modified by
adding nano-tubes and reactive nano-
9. NANO COMPOSITE
Nanocomposite is a multiphase
solid material where one of the phases
has one, two or three dimensions of
less than 100 nanometers (nm), or
structures having Nano-scale repeat
distances between the different phases
that make up the material.
10. NANO- COATING FOR CONCRETE
In order to protect the structures/components from abrasion, chemical
attack and hydrothermal variations, and to improve aesthetics,
chemical coatings are generally and routinely used. Till date,
technology which limits the size of coating materials in micrometer
can enjoy great advancement by using nano-science and technology.
Studies are being conducted on the types of nano-particles in various
binders and their effectiveness on key properties related to concrete
deterioration, and it has been reported self-cleaning and self-healing
properties. Nano-scale roughness of the coatings has the property to
repel water and dirt, and can outdate the existing ‘non-stick’
technology.
11. NANO STEEL
Steel has played a major role in the construction industry
since past two centuries. Fatigue is a significant issue for
the structures subjected to cyclic loading, such as in
bridges, towers, and off-shore platforms. Fatigue failure
can occur at significantly low stresses than the yield stress
of the material and lead to a significant reduction in
service life.
initiating cracks which triggers fatigue failure, and research has shown that the addition of copper nano-particles reduces the surface unevenness of steel, which then limits the numof stress risers, and hence fatigue cracking. Furthermore, it has been reported that vanadium and molybdenum Nano-particles can improve the fracture problems associated with hinitiating cracks which triggers fatigue failure, and research has shown that the addition of copper nano-particles reduces the surface unevenness of steel, which then limits the numof stress risers, and hence fatigue cracking. Furthermore, it has been reported that vanadium and molybdenum Nano-particles can improve the fracture problems associated with h
12. NANO GLASS
application of nanotechnology to glass. It has been reported that
Titanium dioxide (TiO2) can be used in nano form to coat the
glasses to import the sterilizing and anti-fouling properties of
TiO2.
Recent researches in Geography, Geology, Energy,
Environment, and Biomedicine are into glass as well. TiO2
coating captures and breaks down organic and inorganic air
pollutants by aphoto-catalytic process. Furthermore, TiO2 is
hydrophilic and this attraction to water forms sheets out of rain
drops, and thus, self-cleaning glass is present in the market
13. APPLICATION OF NANOTECHNOLOGY IN
CONSTRUCTION
Nano-cement
Nano-coatings for Concrete
Nano-steel
Nano-glass
Nano-Composite
14. CONCLUSION
• Material Cost Is high
• Maintenance Cost is low
• Nano Material is not Available easily
• It is More durable