| 摘要 |
<p>A guardrail system for installation along a highway includes a plurality of spaced elongate support posts and a guardrail mounted on the plurality of support post by securing members. The system includes one of a releasing member and an edge portion of an opening in the guardrail or the support post for releasing the guardrail from the support post in response to a selected magnitude of release load. The magnitude of the release load is in the range of 2/5 to 1 2/5 times a load magnitude that yields the support post when the post is unsecured to the guardrail.</p> |
