Translucent Concrete means what?
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It is also called as Transparent concrete or Light transmitting concrete. Translucent concrete is achieved by replacing aggregates with transparent alternative materials. This transparent appearance is mainly due to the uniform distribution of high numerical aperture plastic optical fibers (POF) throughout its body.
The concrete is formed by mixing of fine concrete, i.e., cement & fine aggregate with optical fibers. These fibers blend into the concrete like any other aggregates. These optical fibers have the capacity to transmit the light from the source into the space enclosed by panels.
The thickness of the optical fibers can be in 2μ – 2mm. The main reason to use optical fiber is that it can emit light even at incident ∠ >60°. Using these does not have any impact on the properties of concrete compared to normal ones. It is commonly used in the construction of green buildings.
Since it can emit light, this type of concrete is considered an energy-saving method of construction. It provides a good aesthetical appearance to the building. But casting of this type of concrete needs skilled labor, and cost is somewhat high.