| 摘要 |
PURPOSE: A retaining wall block is provided to reduce manufacturing costs by simplifying the structure of the block and to improve construction efficiency by reduce an error rate when the blocks are piled up. CONSTITUTION: A retaining wall block comprises a block body(100), openings(0), first and second connection ports(101), and connection units(200). The openings are formed in the top of the block body. The first and second connection ports are formed in the block body. The connection units are inserted into the first and second connection ports and connect the retaining wall blocks. |
