PHYSICAL SECURITY BARRIER

摘要

A crash barrier apparatus for a structure opening that is closable with a movable door, the door being constructed and arranged with a security structure to close off the structure opening. The specific security structure of the referenced crash barrier apparatus includes, in one embodiment, a first support that is anchored to a first base surface, a second support that is anchored to a second base surface, and a beam received by the supports. In other embodiments, cable arrangements are used.