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REJUPAVE

REJUPAVE mind map
Recent News
January 2024
Used at
Sela Road Tunnel
LDY Road Section
Location
Indo-China Border
Arunachal Pradesh
What
Developed by
CSIR-CRRI
Oldest road research
Bio-oil-based
Asphalt modifier
100% biooil
Reduces heating
For bituminous mixes
Preserves temperature
During transit
When
Developed
Before 2024
Applied
January 2024
Why
Challenges
High-altitude roads
Low and sub-zero temperatures
Solution
Preserve temperature
Reduce heating requirement
Where
High-altitude areas
Arunachal Pradesh
Sela Tunnel
LDY Road
Who
CSIR-CRRI
Central Road Research Institute
BRO
Border Roads Organisation
How
Application
Bituminous road construction
Temperature reduction
30°C to 40°C
Minimizes heat loss
During transit
In snowfall conditions
Significance
Eco-friendly
100% bio-based
Operational capacity
Improvement for defence forces
All-weather connectivity
To Tawang district
Challenges
Technological adaptation
In extreme conditions
Long-term durability
Under variable temperatures
Way Forward
Expand use
National and State Highways
Urban Roads
Adaptation
For different climate zones

REJUPAVE is an indigenous technology developed by the CSIR-Central Road Research Institute (CSIR-CRRI), primarily used for constructing and maintaining bituminous roads in high-altitude areas, particularly under low and sub-zero temperature conditions. It is a bio-oil-based asphalt modifier that significantly reduces the heating requirement of bituminous mixes while preserving their temperature during transit. This eco-friendly technology has been successfully implemented by the Border Roads Organisation (BRO) at strategic locations like the Sela Road Tunnel and LDY Road Section near the Indo-China border in Arunachal Pradesh. The technology addresses major challenges in road construction in difficult terrains and contributes to the operational capacity improvement of defence forces and all-weather connectivity in remote regions.

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