Retaining wall construction system for tsunami and flood damage prevention and its construction method

摘要

Disclosed is a retaining wall construction system for preventing tsunamis and flood damages and a construction method thereof. The retaining wall construction system includes hexagonal multi-layered interlocking blocks built in a plurality of lines for forming a retaining wall, wherein S-shaped connection sections are formed on an outer periphery for a plurality of interlocking blocks, and hexagonal multi-layered interlocking blocks, which are adjacent to each other and different from each other, are connected to each other via the S-shaped connection sections to be movable in the vertical direction.