| 摘要 |
<p>Disclosed is a safety guard rail including posts, guard plates, and wave type connection members for connecting the guard plates to each other. Each of the guard plates has a hollow formed therein, and has a double structure such that shock absorbers are disposed at regular intervals in a shape thickness part formed along the external surface of the guard plate and supporters having a triangular shape are disposed inside the guard plate within the shape thickness part so that the supporters are firstly broken and the external surface of the guard plate is secondarily broken when a vehicle collides with the guard rail. The wave type connectors are provided with both ends, into which two guard plates are respectively inserted so as to connect the two guard plates to each other, and are respectively fixed to the posts by through holes formed through the connectors using bolts and nuts.</p> |
