| 摘要 |
PURPOSE: A concrete block is provided to connect upper and lower parts and left and right parts of a plurality of concrete blocks with pins so that an inclined surface can be easily manufactured because a basic block, a small block, and a large block are used. CONSTITUTION: A concrete block comprises a basic block(1). The basic block comprises a later surface contacting unit(1a), a lateral surface pin inserting unit(1d), an upper and lower pin inserting unit(1b), and an upper and lower pin penetrating unit(1c). The lateral surface contacting units of an arched shape are respectively formed in both sides of the basic block. The lateral pin inserting units are respectively formed in each central portion of the lateral pin contacting units. A plurality of the upper and lower pin inserting units is respectively formed in both sides of a rear portion of the basic block. The upper and lower pin penetrating units are penetrated and formed in both sides of the central portion of the basic block. |
