CSIR-CRRI Demonstrates Road Rejuvenation: 1 km Stretch Laid Using 60% Old Material
GS3Economy · S&T · Environment · Security· IT, AI, semiconductors & computing· Prelims + Mains·
Why in news
CSIR-CRRI demonstrated a road rejuvenation technology on the Chennai-Tirupathi National Highway where 60% of the asphalt used was reclaimed from old roads.
Background
The demonstration involved a 1 km stretch of highway laid using a 60% reclaimed material ratio. The project was executed by Ooms India and OSEPL with support from the National Highways Authority of India (NHAI).
Facts for Prelims
- FactReclaimed material ratio: 60% of the asphalt used in the demonstration
- PlaceLocation: Chennai-Tirupathi National Highway
- BodyNHAI: National Highways Authority of India
For Mains
Q. Discuss how the adoption of reclaimed material technologies in infrastructure development can contribute to India's circular economy and reduce dependency on imported bitumen.
Dimensions to cover in your answer
- Resource circularity: Reducing bitumen import dependency through asphalt rejuvenation
- Regulatory bottleneck: Requirement for IRC code updates to standardize reclaimed material usage
- Waste mitigation: Reducing construction and demolition waste in highway projects
Keywords: Circular Economy · Sustainable Infrastructure · Bitumen Dependency · Road Rejuvenation · Waste Management
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