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What do you understand by Transparent Concrete??

Introduction of Transparent Concrete

  • Transparent material means which can be seen from one part to another part.
  • Light transmitting concrete also known as translucent concrete, is a concrete based building material having light-transmissive property.
  • It is a new technique different from normal concrete. Translucent concrete allow more light and less weight compared to normal concrete.
  • It is available as prefabricated building blocks and panels.
  • It is used in floors, pavements, ceiling, load-bearing walls, partition walls, etc.

Materials which is used for Transparent Concrete

  • The two basic materials are-
  1. Fine concrete
  2. Optical fibres
  • Fine concrete: Cement & fine aggregate (sand).
  • Optical fibres: There are 3 kinds
  1. Multimode graded-index fibre
  2. Multimode step-index fibre
  3. Single-mode step-index fibres

Principles for Transparent Concrete

  • Transparent concrete works based on “Nano-Optics”.
  • Fibres are placed directly on top of each other.
  • Fibres acts like silts & carry light throughout.

Manufacturing Process of Transparent Concrete

  • Almost same as regular concrete
  • Concrete are poured into the mould in layers.
  • On top of each layers, a layer of fibres is infused.
  • Fibre & concrete are alternately inserted into moulds at intervals of approx. 2mm to 5mm.
  • Adding 4% to 5% optical fibres by volume into the concrete mixture.
  • The concrete mixture is made from fine aggregate & cement.
  • 1000’s of strands of optical fibres are cast into concrete.
  • Smaller or thinner layers allow an increased amount of light to pass through the concrete.
  • The casted material is cut into panels or blocks & polished.

Experimental Setup which is used to find the Transparent Concrete

  • Choosing a desired mould.
  • Make a needed design.
  • Attach clay on the bottom of the mould.
  • Induce optical fibre cables at desired shape.
  • After that pour fine concrete at its approximate ratio.
  • Set to dry and allow to curing.

Applications of Transparent Concrete

  • Floors, pavements and load-bearing walls.
  • Facades, interior wall cladding & dividing walls.
  • Partitions wall.
  • In furniture.
  • Light sidewalks at night.
  • Illuminating speed bumps.

Advantages of Transparent Concrete

  • Energy saving can be done by utilization of transparent concrete in building.
  • It has very good architectural properties for giving good aesthetical view to the building.
  • Highest UV resistance.

Disadvantages of Transparent Concrete

  • Concrete is very costly
  • Skilled  labour needed

Conclusion

  • Developed by adding optical fibre or large diameter glass fibre.
  • Good light guiding property.
  • It doesn’t loose the strength parameter also it has very vital property from the aesthetic point of view.
  • Concept of green energy saving.
  • Its initial cost is high. But, routine maintenance is not required and in long run it may be advantageous.
  • In future the it’s cost is expected to decrease.

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