| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a guard fence, when impact force is added to the guard fence, for making the force dispersively act on the embedded whole anchor bolts.SOLUTION: A column 1 comprises: a plate-like baseplate 11 provided with an anchor bolt insertion hole 111 for inserting an anchor bolt A erected on an installation surface G; and a tubular column body 13 erected on an upper surface of the baseplate 11. The anchor bolt insertion hole 111 is respectively provided in a pair by two on the front side of becoming the roadway side and the rear side of its rear, and the rear side two anchor bolt insertion holes 111b are provided in a position where its center-connecting virtual line K passes through the column body 13, and a reinforcement part 14 fixed to an upper surface of the baseplate 11 is provided on a side surface of the column body 13 in a part for passing the virtual line K or in the rear of it.</p> |
