| 摘要 |
A domed steel roof frame (12). The frame (12) has at least three corners and an outwardly convex shape with an uppermost apex (20). The frame (12) comprises at least three steel interior members (18), at least three interior cable retainers and at least three interior cables. The at least three steel interior members (18) each extend from one of each of the corners to the apex (20). The at least three interior cable retainers are each attached to, or form part of, and extending substantially along each of the respective interior members (18). The at least three interior cables are each inserted through each of the respective interior cable retainers. The frame (12) also comprises means to tension each of the interior cables relative to their respective interior cable retainers and means to maintain each of the interior cables tensioned relative to their respective interior cable retainers.
|
