Static structures (e.g. – buildings) – Processes – Requiring soil work
Patent
1976-02-10
1977-10-11
Braun, Leslie
Static structures (e.g., buildings)
Processes
Requiring soil work
52222, 52223R, 52226, 52640, 52644, E04B 135
Patent
active
040528340
ABSTRACT:
A roof structure made up by a plurality of truss members interconnected by purlins which carry sheet metal roofing material. The truss members are made up of a top compression member which is preferably a tube and a bottom tension tube the members being connected together by vertical tension struts and joined at their ends. The top compression member of each truss consists, before erection of a straight or partially curved member and the bottom tension tube of a downwardly bowed tube. The structure is given form and rigidity by passing high tension steel cables through the bottom tension tubes and, after the purlins and sheet metal roofing material have been attached, tensioning them to bring the top compression members to an upwardly curved configuration and the bottom tension tube to a straight or slightly upwardly bowed form.
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Braun Leslie
Striker Michael J.
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