ADCo, has been involved in the rehabilitation of a 32km segment of Highway 13 by using Cold in-place recycling technique with EcoStab® emulsion for an important Heavy-duty traffic road. The Cold-in place recycling technique has been selected as the client was looking for a cost-effective solution that allows to re-use 100% of the in-situ materials with minimum disturbance to the traffic. 

ADCo/Tipco applied Microsurfacing technique on HW21B which has intensive traffic with speeds up to 80km/h and heavy vehicles to extend the service life of the road a couple of years, restore the skid resistance while protecting the pavement from moisture and improve the traffic safety    

ADCo is involved in the rehabilitation of a 32-km segment of Highway 13, an important heavy-duty traffic road located in Southern Vietnam, connecting Ho Chi Minh to Cambodia. The road pavement was initially constructed in 2012. However, after 8 years of service under heavy traffic, the existing asphalt pavement started to show serious structural problems and rutting.

The trend worldwide tends to substitute soft binders with harder grades, more adapted to sustain heavy traffic and high service temperatures. This paper focuses on the presentation of features and benefits of using 40/50 through case studies from two heavy-duty highway projects in Vietnam.