Principal Stresses at the Intermediate Support of Prestressed Concrete Continuous Beams

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Title: Principal Stresses at the Intermediate Support of Prestressed Concrete Continuous Beams

Author(s): Michel A. Sargious

Publication: Journal Proceedings

Volume: 67

Issue: 10

Appears on pages(s): 828-840

Keywords: beams (supports) ; continuous beams:finite element method; live loads; prestressed concrete;static loads; stresses;- structural designs:welded wire fabric.

Date: 10/1/1970

Abstract:
At the intermediate su ports of continuous prestressed concrete beams, arge concentrated forces exist which are caused by the reaction and cable curvature. The finite element method is used to calculate the principal stresses and their inclination for plotting the stress trajectories. An example for the analysis of the zone at the central support of a two equal span continuous prestressed concrete beam is presented.