E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
20/42.5
E04C 3/04 (2006.01) E04C 3/11 (2006.01) E04C 3/40 (2006.01)
Patent
CA 1207974
ABSTRACT OF DISCLOSURE A shear connection truss construction is disclosed that exhibits no bending moment or horizontal reaction when the construction is mounted on vertical support columns. The truss construction utilizes truss members attached to each other having essentially I-shaped cross sections defined by parallel, longitudinally extended flanges, and a connecting web extending transversely between them. Each truss member defines a unitary, unsplit end and a longitudinally split end, defined by an upper chord located in the same directional plane as the unsplit end, and a lower chord extending at an acute angle with respect to the upper chord, the lower chord having associated therewith a portion of the web that is dis- continuous with the web of the unsplit end. Preferably, the unsplit end of the truss member has a length ranging from about 15% to about 35% of the total length of the member, and the acute angle subtended between the upper and lower chords may range from about 5° to about 15°. The truss member may be prepared from a unitary I-beam, or from flat component parts that are assembled to form the final member. Also, a lower flange of the truss member may be smaller in size than the upper flange. The ease of construction and constructural stability of the present truss member and truss construction confers economies in fabrication and use. The present truss member and truss construction are particularly well suited for use in the construction of wide-span building structures.
427841
Coronis Emanuel A. Jr.
Riches Mckenzie & Herbert Llp
LandOfFree
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