CO2 emission reduction efficiency of light transmitting concrete and influencing factors
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Keywords:
Light transmitting concrete
optical test
CO2 emission
daylighting energy
environmental impact
Abstract
This study examines the potential of light-transmitting concrete (LTC) in reducing CO₂ emissions by using PMMA fibers and rods of different diameters and contents. Optical tests determined the light transmission coefficient of LTC samples to analyze CO₂ reduction efficiency per 1 m² of LTC. Results show that higher PMMA content in concrete improves light transmission, boosting energy savings and reduction of CO₂ emissions. Large-diameter PMMA rods are more efficient than small-diameter fibers. With an average annual illuminance of 50,000 lux, 1 m² of LTC containing 30% PMMA rods can reduce CO₂ emissions by 80 kg/year, nearly 10 times more effective than LTC with PMMA fibers under 1.5 mm in diameter and content below 8%. Effectiveness varies with geographic location and panel orientation relative to natural light.
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Published
Jun 30, 2025
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How to Cite
Nguyen, M. H., and P. N. Huynh. “CO2 Emission Reduction Efficiency of Light Transmitting Concrete and Influencing Factors”. The University of Danang - Journal of Science and Technology, vol. 23, no. 6A, June 2025, pp. 42-47, doi:10.31130/ud-jst.2025.23(6A).149.
