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Strength and light transmitting characteristics of translucent concrete using plastic optic fibers

Strength and light transmitting characteristics of translucent concrete using plastic optic fibers Increase in population has resulted in depletion of natural resources. Due to variation in climatic condition and environmental pollution, there is a need for alternative construction techniques, which will ensure the protection of natural resources and will result in energy efficient and eco-friendly building materials. Light transmitting concrete (LTC) is an eco-friendly material which reduces the usage of artificial light and maximizes the utilization of sunlight to travel through concrete. This paper aims to study the properties of LTC produced in terms of the water absorption, water permeability, bulk density, compressive strength, light transmittance, cost analysis, consumption of power by artificial lightning and payback period by incorporating 0.5,0.75, 1 and 2 mm diameter Plastic optical fiber (POF) with two different spacing in a concrete cube specimens. Parameters like spacing in between the POF, diameter of the fiber and the variety of light sources that affect the optical power of LTC were analysed in this paper at 7, 14 and 28 days curing. The experimental results showed that there is no reduction in strength of concrete specimen due to the addition of fibers in concrete. There was increase in 28-day compressive strength of 10 mm spacing, PFLTC 0.5, PFLTC 0.75, PFLTC 1 and PFLTC 2 from 5.5 to 18.7%. Similarly, 20 mm spaced specimens PFLTC 0.5, PFLTC 0.75, PFLTC 1 and PFLTC 2 has increased from 6.5 to 22% when compared with the target strength. The increase in strength is due to the addition of fibers and better bonding strength between the fibers and concrete. Lower the diameter of fibers, higher is the fiber volume ratio leading to less compressive strength when compared to fibers with 1 mm and 2 mm diameter. This study also focused on evaluating the light transmitting property of concrete using LED mini kit light source and light intensity was measured by using a lux meter expressed in terms of lumens. Based on the light transmission test results, it was concluded that addition of plastic optical fiber (POF) with a diameter of 2 mm and spacing of 10 mm gives maximum illumination and can be used in the manufacturing process of light transmitting concrete. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Strength and light transmitting characteristics of translucent concrete using plastic optic fibers

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References (31)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-022-00195-w
Publisher site
See Article on Publisher Site

Abstract

Increase in population has resulted in depletion of natural resources. Due to variation in climatic condition and environmental pollution, there is a need for alternative construction techniques, which will ensure the protection of natural resources and will result in energy efficient and eco-friendly building materials. Light transmitting concrete (LTC) is an eco-friendly material which reduces the usage of artificial light and maximizes the utilization of sunlight to travel through concrete. This paper aims to study the properties of LTC produced in terms of the water absorption, water permeability, bulk density, compressive strength, light transmittance, cost analysis, consumption of power by artificial lightning and payback period by incorporating 0.5,0.75, 1 and 2 mm diameter Plastic optical fiber (POF) with two different spacing in a concrete cube specimens. Parameters like spacing in between the POF, diameter of the fiber and the variety of light sources that affect the optical power of LTC were analysed in this paper at 7, 14 and 28 days curing. The experimental results showed that there is no reduction in strength of concrete specimen due to the addition of fibers in concrete. There was increase in 28-day compressive strength of 10 mm spacing, PFLTC 0.5, PFLTC 0.75, PFLTC 1 and PFLTC 2 from 5.5 to 18.7%. Similarly, 20 mm spaced specimens PFLTC 0.5, PFLTC 0.75, PFLTC 1 and PFLTC 2 has increased from 6.5 to 22% when compared with the target strength. The increase in strength is due to the addition of fibers and better bonding strength between the fibers and concrete. Lower the diameter of fibers, higher is the fiber volume ratio leading to less compressive strength when compared to fibers with 1 mm and 2 mm diameter. This study also focused on evaluating the light transmitting property of concrete using LED mini kit light source and light intensity was measured by using a lux meter expressed in terms of lumens. Based on the light transmission test results, it was concluded that addition of plastic optical fiber (POF) with a diameter of 2 mm and spacing of 10 mm gives maximum illumination and can be used in the manufacturing process of light transmitting concrete.

Journal

Journal of Building Pathology and RehabilitationSpringer Journals

Published: Dec 1, 2022

Keywords: Light transmitting concrete; Plastic optical fiber (POF); Compressive strength; Lux meter; Luminescence; Eco friendly

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