Page 8 - RoadCem in Road Construction & Rehabilitation[23318].pdf
P. 8
road construction & reconstruction with roadcem
To understand the way RoadCem works we have to take a look at the repetitive loads which are typical for roads
when in use; assuming we have a cyclic dynamic loading which is acting through the asphalt to the road base
However it is possible to have these two attributes within one material. Reinforced concrete is a good
example; It has a higher modulus of elasticity than standard concrete, and it is more flexible. As we know it
is not suitable for road base construction and it isn’t needed as RoadCem technology achieves both these.
requirements in the following way:-
By forming needle like crystalline growths around and between the particles being stabilised RoadCem
essentially wraps the individual particles together in a dense woven matrix; this is far stronger than
conventional cement bonding between particles which is based on the individual contact points between
adjacent particles being ‘glued’ together – a more unstable connection leading to brittle behaviour.
The wrapping effect produced by the inclusion of RoadCem is far stronger than traditional cement
stabilisation, enabling higher loads to be taken by the stabilised material with much lower deformations and
the average modulus of elasticity is 40 to 50% higher than conventional cement stabilisation alone.