E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
20/110, 20/47
E04C 3/32 (2006.01) B66C 23/28 (2006.01) E04H 12/10 (2006.01)
Patent
CA 1093270
ABSTRACT OF THE DISCLOSURE A prestressed structural member is described in which there is provided in combination a pair of longitudinal elements, a plurality of strut elements, a plurality of diagonal members and a plurality of joint connector means for rigidly interconnecting the strut elements and diagonal elements together and the same to the longitudinal elements. The longi- tudinal elements are spaced apart and prestressed in compression. The strut elements are also spaced apart and each strut element extends between the longitudinal elements, and is disposed orthogonally of a line equidistant from each longitudinal element. The strut elements are also prestressed in compression. The diagonal members are oriented diagonally in pairs in box sections or bays delimited by the longitudinal and strut elements and with the strut elements form a lattice structure. The diagonal members are prestressed in tension. The joint connector means rigidly interconnect adjacent ends of the strut elements and diagonal members in said lattice structure. The joint connector means are configured to inter- connect the longitudinal and strut elements with the diagonal members in a manner which deliberately provides a predetermined eccentricity of forces carried by each diagonal member relative to the geometrical intersection of axes of the strut and longitudinal elements.
324564
Aspila Kalevi P.
Her Majesty The Queen In Right Of Canada As Represented By The M
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