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Cathode Ray - DOAJ

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Last Updated: 16 January 2022

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Potential use of spherical glass sourced from cathode ray tube funnel glass for the application as coarse aggregate in concrete

Managing used garbage cathode glass funnel glass has become a major issue worldwide because it has harmful impacts on the climate and human health if the hazardous lead leached to the environment and human health. However, the crushing process has resulted in micro-cracks in the funnel glass bottles, contributing to a high lead leaching rate. Lead leaching has been demonstrated to not risk the climate by recycling the CRT funnel glass waste produced by melting and annealing operations. Given the importance of materials and exposure, the effect of silica fume content and CRT concrete strength exposed to high temperatures was determined. However, the results reveal that the CRT concrete mixed with 20% GS and 10% silica fume has similar characteristics with the control, with 52 MPa where only 7% lower than control concrete.

Source link: https://doi.org/10.6180/jase.202206_25(3).0010


Properties of Cement-Based Materials Containing Cathode-Ray Tube (CRT) Glass Waste as Fine Aggregates—A Review

This research will act as a catalyst to use CRT glass waste in concrete mixtures. As fine aggregates, a total of 61 papers from literature were reviewed, focusing on the accuracy, mechanical, and tenability of cement-based materials containing CRT glass waste as fine aggregates. According to the study, the majority of the studies agreed that replacing sand with CRT glass waste improved the consistency, although the CRT glass's poor permeability caused this effect. In addition, several research have suggested additional measures to minimize lead leaching due to the lead content found in the CRT glass. In general, it was found that CRT glass waste was a viable component in the production of renewable cement-based materials, especially for radiation shielding applications.

Source link: https://doi.org/10.3390/su132011529

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions