Construction principles for large single leaf doors

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This report consists of two different parts. The first part presents different construction concepts for large single leaf doors. The concepts were not fully evaluated due to lack of resources. The other part describes the process of calculating the membrane effect, which comes from the fabric in the door. Unfortunately was the program not advanced enough in the nonlinear area, which meant that no significant results could be achieved. Some calculations were made with a nonlinear program and these calculations shows that the fabric enhances the doo...