| 摘要 |
PURPOSE: To increase strength, to improve durability, to enhance visibility for a prolonged term, to elevate outer appearance and safety, to decorate outer appearance at the time when a large number of concrete boundary blocks are further connected continuously and laid and to greatly contribute to the landscapes of a street and a road. CONSTITUTION: This block has a slender block body 11 using concrete as a main body and having an approximately square-shaped cross section, and consists of two frame materials made of a metal, linear members 25 and a reflecting material. Members 20 for reflection with linear reflecting surfaces R continued in the longitudinal direction are buried integrally to the side face section 12 or top face section 13 of the block body 11 so as to be formed in the same surface as the surface of the block body 11. |
