Recently, the widespread use of concrete pavement and hope for increasing in Iran, need more economical and optimized designation rather than before. Composite concrete pavement is such that and do not use yet in Iran. Here composite concrete pavement is introduced and compared to conventional concrete pavement. Also in this article, aggregate gradation and strength parameters of composite pavement layers at Minnesota are compared to concrete pavement (JPCP) at Tehran-Shomal Freeway Project.
It is defined when and where concrete composite pavement is more suitable, when hi-quality aggregate is not reachable or supplying aggregates are expensive because they need to be hauled long distances to the project location, Where low maintenance pavement is desired (urban area), when recycling material is an option and when low pavement noise is needed such as in urban area. It is stated the application of composite concrete pavement needs to sufficient technical and executive experience about concrete pavement. In this method two layer of concrete pavement are used with two different technical specification and mix design and also need to more cooperation between machinery and batching planet and etc. rather than conventional concrete pavement. As well as, need for second paver machine with side feeder.
Therefore, in spite of such advantages in composite concrete pavement, aforementioned executive problems cause to clients do not tend to use it. It is hoped that these lessons learned will be caused to improve concrete pavement in the country.