Prestressed Truss-Beams

by R.L. Barnett,


Serial Information: Journal of the Structural Division, 1957, Vol. 83, Issue 2, Pg. 1-22


Document Type: Journal Paper

Abstract:

Design procedure for simply supported steel beams making possible utilization of statically indeterminate composite action and favorable initial stress distribution to strengthen available beam sections; variation of Queen Post truss with pretensioned tie rod is studied and weight savings of over 30% demonstrated by example design; techniques based entirely on elastic considerations.



Subject Headings: Trusses | Prestressing | Steel beams | Plastic design | Stress distribution | Strength of materials | Pretensioning | Composite beams | Structural strength

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