Abstract
Lego block system forms a temporary pavement area using the assembled structure block in the road excavation work for the maintenance and installation of facilities. This system was developed for a safe passage of vehicles and pedestrians. The concept and function of lego block system developed for the road recovery of an advanced country type were established by this study. The dynamic behavior was investigated by dynamic finite element analysis subjected to moving load considering real vehicle loads. Also, both the compaction effect of the ground caused the maximum vertical displacement and dynamic structural safety caused the upward displacement were evaluated by dynamic analysis results. As a result, lego block system showed the excellent compaction effect of the ground. Although the maximum upward displacement in lego block system was occurred by vehicle loads, safety of this system is fully satisfied.
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