Prestressed Truss-Beams

by Ralph L. Barnett,

Serial Information: Transactions of the American Society of Civil Engineers, 1959, Vol. 124, Issue 1, Pg. 472-490

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

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