In this repair method, two types of adhesives, such as a penetrable adhesive and a high-durability adhesive, were applied to the adhesion interface of the materials to be repaired, and then cast. The repair method was then evaluated for fatigue resistance using wheel load running tests. It was developed to ensure the long-term integrity of the repair material and RC slabs. The results of the experiments confirmed that this repair method provides significantly better fatigue resistance than the conventional construction method. Moreover, this study proposes two wet repair cycles and one dry repair cycle with reinforcement measures to improve the load-bearing performance.
In order to secure an appropriate density by compaction and with necessary properties on a road surface, evaluating quality and managing consistency of RCC for the RCCP are important. In this study, It is examined the evaluation method of consistency and mixture design method using a and j3 which are an engineering combination factor. And we proposed compaction factors of the RCC bottom area depended on the finisherbility and the change of consistency with a passage of time.
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