| 摘要 |
<p>An explosion relief panel(34) suitable for use as a roof panel and comprising, when oriented as a roof panel,a raised longitudinally extending edge portion (52) which is raised above a respective adjacent longitudinally extending drain portion (53) of the panel and which has a second raised longitudinally extending portion (54) which is raised above a respective adjacent longitudinally extending drain portion(55)lying between said second raised portion (54) and said edge portion(52), the said second raised portion being fixed to a first support member(38)and the said edge portion being mounted to a second support member(40 or 42) in a manner such as to be released therefrom in response to an overpressure applied beneath the roof panel to allow the edge of the roof panel to be deflected upwardly to release said overpressure whilst the second portion of the roof panel remains fixed to said first support member. The panel may form part of a roof panel cassette or may be directly assembled to a roof framework.</p> |
