Road pavement in Korea generally undergoes in-service shorter than an expected life cycle. There are many reasons including increased traffic load and other attacks from exposure conditions. In order to extend service life and upgrade the pavement a new multi-functional composite pavement system is being developed in Korea. This study investigates strength of fiber reinforce lean concrete which used fly-ash and reject ash as a cement replacement. In addition this study suggest an appropriate compaction method in order to minimize the experimental scatters that used to come from non-unified specimen fabrication.