Light emitting concrete [OR] Translucent concrete

1. Light Emitting Concrete
Presented by
Shaik.Asif.Ahmed [ASIF’ASHU]

2. Content:-
Introduction
History
Principle
Properties
Material used
Manufacturing Process
Advantages
Disadvantages
Examples
Conclusion
References

3. Introduction
Light emitting concrete also known as translucent concrete
It is a concrete based building material having light emitting
property.
 Light emitting property is mainly due to uniform distribution
Optical Fibers throughout its body .
It is available as prefabricated building blocks and panels.

4. History
In 2001 the idea of Light
emitting concrete was put
forward by Hungarian architect
‘Aron Losonzi’.
 Successfully produced the first
Light emitting concrete block in
2003,named LiTraCon.
 In 2004, he started a German
company named LiTraCon and
started producing Litracon
commercially.
Alignment of fibres in a
light emitting concrete cube

5. Principle
Light emitting concrete works based on
“Nano-Optics”.
 Fibers are placed directly on top of
each other.
 Fibers acts like slits and carry light
through it.

6. Optical fiber
 Flexible, Light emitting fiber made up
of glass or plastic.
 It transmits light between two ends of
the fiber.
 Optical fiber transmits light so
effectively that there is almost no loss of
light conducted through the fibers.

7. Structure

8. Properties
Carries the same amount
of light through a brick & no
matter how thick it is
The light carried maintains
its original color
Weighs about the same as
conventional concrete
96% traditional aggregate
and cement, 4% fibers
It Can be manufactured in
any color upon request

9. Material used
Cement: Ordinary Portland cement
is used for Light emitting concrete.
 Sand: The size of sand should pass
through1.18mm sieve.

10. Water: Water to be used for Light emitting
concrete should be of drinking water
quality.
Optical fibers: Thickness of the optical
fibers can be varied between 2 μm and
2 mm.

11. Manufacturing Process
 The manufacturing process of Light emitting concrete is
almost same as regular concrete.
 Small layers of the concrete are poured into a mould
and fibres are infused in it.
 Newer, semi-automatic production processes use
woven fibre fabric instead of single filaments.
 Fabric and concrete are alternately inserted into moulds
at intervals of approximately 2 mm to 5mm.

12. Another method-
 Many holes are punched on side
walls of the mould.
 Optical fibres have to be run
through these holes from one end
to the other.
 Concrete is poured into it.

13. MATERIAL PERFORMANCE:
 Concrete retains its strength
 Frost and de-icing salt
resistant.
 Fire protection.
 Highest UV resistance.
Pavement illuminated by
Light emitting concrete

14. Advantages
Energy saving can be done by
utilization of Light emitting
concrete in building.
 It has very good architectural
properties for giving good
aesthetical view to the building.
Sunlight passing through the
Light emitting concrete wall

15. Disadvantages
 Very high cost.
 Need of Labor with technical skills

16. Applications
Light emitting concrete
blocks is suitable for :
 Floors
 Ceiling
 Pavements
 Load-bearing walls
 Partitions wall
Sillhouttes of trees
Panels illuminate in different
colours

17. In furniture for the decorative and
aesthetic purpose.
 Light sidewalks at night.
 Increasing visibility in dark subway
stations.
 Lighting indoor fire escapes, in the
event of a power failure.
 Illuminating speed bumps on roadways
at night Stairs

18. Examples
1.THE EUROPE GATE
 It is located in Fortress Monostor in the
Hungarian town, Komarom
 The sun illuminates the 37.6ft large
Litracon piece of the statue in the
mornings and late afternoons
 In night an even more impressive view
can be seen because of the embedded
light sources.

19. 2.CELLA SEPTICHORA , PECS,
HUNGARY
It has a door made of Litracon Panels set
in a steel frame.

20. 3.NEW HEADQUARTERS OF BANK OF
GEORGIA
 Walls, walks, receptions, offices and consultation
desks are illuminated by Light emitting concrete

21. Conclusion
Light emitting concrete is an emerging trend in concrete
technology.
 Its initial cost is high. But, routine maintenance is not required
and in long run it may be advantageous. In fact it worth the cost.
 It’s a green building material reducing the lightning cost during
day time. It’s proved to provide both aesthetic appearance and
structural stability.
 In future the it’s cost is expected to decrease.
 It is one of the best applications of optical fibers which is related
to technical textiles.

22. Reference
M.N.V.Padma Bhushan, D.Johnson, Md. Afzal
Basheer Pasha And Ms. K. Prasanthi. Optical Fibres in
the Modeling of Translucent Concrete
Blocks:International Journal of Engineering Research
and Applications (IJERA), Vol. 3, Issue 3, May-Jun 2013,
pp.013-017
Soumyajit Paul, Avik Dutta.Tranclucent
concrete:International Journal of Scientific and
Research Publications, Volume 3, Issue 10, October
2013

24. ANY
QUESTIONS?