| 摘要 |
PURPOSE: A bridge parapet which has a burglarproof device is provided to prevent a cross beam from being separated from a post. CONSTITUTION: A bridge parapet which has a burglarproof device is composed as follows: Through holes(3) are drilled in both side walls(2,2') of a post(1) of a part that the post and a cross beam(10) are coupled, and a horizontal pipe(4) is inserted into the through holes. Fixing pipes(5) formed in outside of the walls are connected with fixing bolts. The horizontal pipe and the fixing pipes are assembled by L-shaped connecting bolts(8). Fixing pins(7) are forcefully fitted to perforated holes drilled in the fixing pipes. |
