Acoustic Enhancement of Sustainable Concrete Mixture Through Integration of Recycled Tyre Waste
DOI:
https://doi.org/10.54097/m9pjke51Keywords:
Rubber concrete, noise pollution, physical changes, sound absorption.Abstract
This research examines the impact of rubber content on the acoustic and mechanical properties of concrete, using a mix ratio of 1:1.8:2.24 and replacing fine aggregate with 0%, 5%, 10%, and 15% rubber. From the result obtained for the compressive strength, the concrete with 0% wt reaches its highest strength which is 55.36 N/mm2 at 28 days. For split strength test, the concrete with 15% wt reaches its highest strength 3.50 N/mm2 at 14 days and for the flexural strength, it is observed that the concrete with 15% wt reaches its highest strength 5.01 N/mm2 at 14 days. Results indicate that higher rubber content decreases compressive, tensile, and flexural strengths, particularly with longer curing times, due to the elasticity and low density of rubber. However, the sound absorption coefficient improves with increased rubber, peaking at 15% after 7 days of curing. While waste tyre rubber enhances acoustic properties, it negatively affects mechanical strength, making rubber concrete suitable for applications prioritizing sound performance over structural integrity, such as soundproof walls. Future research should focus on optimizing rubber concrete mix designs and improving mechanical properties.
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