This case study describes a road rehabilitation project in the Netherlands that used recycled asphalt (RAP) and Neoloy geocells to strengthen the subgrade and reduce maintenance needs. Neoloy geocells were installed below the subbase layer and filled with RAP. This prevented settlements and increased the lifespan of the road. The Neoloy geocells increased the modulus of the RAP, allowing for a stiffer road structure and a 15% reduction in asphalt thickness. This provided an improved and more sustainable road with reduced maintenance costs.

1. Case Study
Using Recycled
Asphalt (RAP) for
Road Rehabilitation
Netherlands

2. The Challenge
• Rehabilitate a rural road over
soft clay and peat soils
• Maintenance was frequent due
to insufficient subgrade
strength
• How to reduce asphalt
thickness while improving
lifespan?

3. The Neoloy Solution
• Neoloy were installed in the subbase
layer and infilled with onsite
reclaimed asphalt
• Mattress effect prevents settlements
and increase lifespan
• The Neoloy increases the modulus of
RAP, enabling a stiffer structure and
reducing the asphalt layer

4. Sustainable Solution
Utilizing recycled
pavement
The Neoloy Advantage
15 % Saving in Asphalt
Thickness
Improved road
quality, performance
& lifespan
Reduced Maintenance
Costs

5. Tough Cell - Neoloy® Technology
Neoloy® – Nano composite polymer
alloy 10x more durable than other
geocells
Environmental
Durability
HPOIT
Elastic Stiffness
DMA
Tensile
Strength
TENSILE
Resistance to
Permanent
Deformation
SIM
Neoloy
High-performance parameters
verified by standard tests.
Qualified engineering methods and tools

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