Performance Evaluation Of Bitumen Mixes Incorporating Crumb Rubber As Bitumen Substitute And Alternative Mineral Fillers

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Sahil Jayswal; Prof. Dinesh Kumar Jaiswal

Performance Evaluation Of Bitumen Mixes Incorporating Crumb Rubber As Bitumen Substitute And Alternative Mineral Fillers

Authors: Sahil Jayswal, Prof. Dinesh Kumar Jaiswal

Unique Paper ID: 180990
Volume: 12
Issue: 1
PageNo: 3503-3512

Keywords: Crumb Rubber Modified Bitumen Asphalt Performance Glass Powder Filler Limestone Powder Filler Waste Material Utilization Sustainable Pavement Materials Bitumen Replacement

Abstract:
This research explores how replacing part of the bitumen with crumb rubber—using varying amounts of 5%, 10%, 15%, 20%, and 25%—affects the performance of asphalt mixtures, along with incorporating glass powder and limestone powder as mineral fillers. The goal is to boost the durability of pavements while also fostering environmental sustainability through the use of recycled materials. Crumb rubber derived from old tires was mixed with bitumen to create a modified binder, whereas glass and limestone powders acted as mineral fillers. Laboratory tests, including Marshall Stability, flow value, moisture susceptibility, rutting resistance, and shear strength, were carried out to evaluate the performance of these modified mixtures. The findings revealed that the best mechanical performance, particularly in stability and tensile strength, was achieved with 10-15% crumb rubber content, although workability suffered when the crumb rubber content exceeded 20%. Notably, combining glass powder with limestone filler significantly boosted moisture resistance and shear strength. Overall, these results indicate that the suggested modifications not only improve asphalt performance but also support sustainable paving practices.

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Cite This Article

ISSN: 2349-6002
Volume: 12
Issue: 1
PageNo: 3503-3512

Performance Evaluation Of Bitumen Mixes Incorporating Crumb Rubber As Bitumen Substitute And Alternative Mineral Fillers

Available:https://ijirt.org/article?manuscript=180990

Impact Factor
8.01 (Year 2024)

UGC Approved
Journal no 47859

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